CINXE.COM

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-sticky-header-enabled vector-toc-available" lang="en" dir="ltr"> <head> <meta charset="UTF-8"> <title>Haplocanthosaurus - Wikipedia</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-sticky-header-enabled vector-toc-available";var cookie=document.cookie.match(/(?:^|; )enwikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":["",""],"wgDigitTransformTable":["",""],"wgDefaultDateFormat":"dmy", "wgMonthNames":["","January","February","March","April","May","June","July","August","September","October","November","December"],"wgRequestId":"4a26b776-8cc1-4abe-9b37-af3b1a6082a7","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"Haplocanthosaurus","wgTitle":"Haplocanthosaurus","wgCurRevisionId":1274375182,"wgRevisionId":1274375182,"wgArticleId":3539424,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["CS1 maint: DOI inactive as of November 2024","CS1 maint: multiple names: authors list","Articles with short description","Short description is different from Wikidata","Use American English from September 2020","All Wikipedia articles written in American English","Articles with 'species' microformats","Commons category link from Wikidata","Diplodocoids","Dinosaurs of the Morrison Formation","Paleontology in Colorado","Taxa named by John Bell Hatcher", "Fossil taxa described in 1903","Kimmeridgian genera","Late Jurassic sauropods","Sauropods of North America","Multispecific sauropod genera"],"wgPageViewLanguage":"en","wgPageContentLanguage":"en","wgPageContentModel":"wikitext","wgRelevantPageName":"Haplocanthosaurus","wgRelevantArticleId":3539424,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":false,"wgFlaggedRevsParams":{"tags":{"status":{"levels":1}}},"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"en","pageLanguageDir":"ltr","pageVariantFallbacks":"en"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":false,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":10000,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false, "wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q133453","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGEStructuredTaskRejectionReasonTextInputEnabled":false,"wgGELevelingUpEnabledForUser":false};RLSTATE={"ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.cite.styles":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","jquery.makeCollapsible.styles":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["ext.cite.ux-enhancements","mediawiki.page.media", "site","mediawiki.page.ready","jquery.makeCollapsible","mediawiki.toc","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.gadget.ReferenceTooltips","ext.gadget.switcher","ext.urlShortener.toolbar","ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns","ext.cx.uls.quick.actions","wikibase.client.vector-2022","ext.checkUser.clientHints","ext.growthExperiments.SuggestedEditSession"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=en&modules=ext.cite.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cjquery.makeCollapsible.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&only=styles&skin=vector-2022"> <script async="" src="/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=en&modules=site.styles&only=styles&skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.17"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/5/56/Haplocanthosaurus_in_Cleveland_Museum_of_Natural_History.jpg/1200px-Haplocanthosaurus_in_Cleveland_Museum_of_Natural_History.jpg"> <meta property="og:image:width" content="1200"> <meta property="og:image:height" content="800"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/5/56/Haplocanthosaurus_in_Cleveland_Museum_of_Natural_History.jpg/800px-Haplocanthosaurus_in_Cleveland_Museum_of_Natural_History.jpg"> <meta property="og:image:width" content="800"> <meta property="og:image:height" content="533"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/5/56/Haplocanthosaurus_in_Cleveland_Museum_of_Natural_History.jpg/640px-Haplocanthosaurus_in_Cleveland_Museum_of_Natural_History.jpg"> <meta property="og:image:width" content="640"> <meta property="og:image:height" content="427"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="Haplocanthosaurus - Wikipedia"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//en.m.wikipedia.org/wiki/Haplocanthosaurus"> <link rel="alternate" type="application/x-wiki" title="Edit this page" href="/w/index.php?title=Haplocanthosaurus&action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wikipedia (en)"> <link rel="EditURI" type="application/rsd+xml" href="//en.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://en.wikipedia.org/wiki/Haplocanthosaurus"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en"> <link rel="alternate" type="application/atom+xml" title="Wikipedia Atom feed" href="/w/index.php?title=Special:RecentChanges&feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-Haplocanthosaurus rootpage-Haplocanthosaurus skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Jump to content</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" title="Main menu" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Main menu" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Main menu</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Main menu</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">hide</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Navigation </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/Main_Page" title="Visit the main page [z]" accesskey="z"><span>Main page</span></a></li><li id="n-contents" class="mw-list-item"><a href="/wiki/Wikipedia:Contents" title="Guides to browsing Wikipedia"><span>Contents</span></a></li><li id="n-currentevents" class="mw-list-item"><a href="/wiki/Portal:Current_events" title="Articles related to current events"><span>Current events</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Special:Random" title="Visit a randomly selected article [x]" accesskey="x"><span>Random article</span></a></li><li id="n-aboutsite" class="mw-list-item"><a href="/wiki/Wikipedia:About" title="Learn about Wikipedia and how it works"><span>About Wikipedia</span></a></li><li id="n-contactpage" class="mw-list-item"><a href="//en.wikipedia.org/wiki/Wikipedia:Contact_us" title="How to contact Wikipedia"><span>Contact us</span></a></li> </ul> </div> </div> <div id="p-interaction" class="vector-menu mw-portlet mw-portlet-interaction" > <div class="vector-menu-heading"> Contribute </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-help" class="mw-list-item"><a href="/wiki/Help:Contents" title="Guidance on how to use and edit Wikipedia"><span>Help</span></a></li><li id="n-introduction" class="mw-list-item"><a href="/wiki/Help:Introduction" title="Learn how to edit Wikipedia"><span>Learn to edit</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikipedia:Community_portal" title="The hub for editors"><span>Community portal</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Special:RecentChanges" title="A list of recent changes to Wikipedia [r]" accesskey="r"><span>Recent changes</span></a></li><li id="n-upload" class="mw-list-item"><a href="/wiki/Wikipedia:File_upload_wizard" title="Add images or other media for use on Wikipedia"><span>Upload file</span></a></li><li id="n-specialpages" class="mw-list-item"><a href="/wiki/Special:SpecialPages"><span>Special pages</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Main_Page" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" style="width: 7.5em; height: 1.125em;"> <img class="mw-logo-tagline" alt="The Free Encyclopedia" src="/static/images/mobile/copyright/wikipedia-tagline-en.svg" width="117" height="13" style="width: 7.3125em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Special:Search" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Search Wikipedia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Search</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Search Wikipedia" aria-label="Search Wikipedia" autocapitalize="sentences" title="Search Wikipedia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Special:Search"> </div> <button class="cdx-button cdx-search-input__end-button">Search</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Personal tools"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page's font size, width, and color" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Appearance" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Appearance</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="https://donate.wikimedia.org/?wmf_source=donate&wmf_medium=sidebar&wmf_campaign=en.wikipedia.org&uselang=en" class=""><span>Donate</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:CreateAccount&returnto=Haplocanthosaurus" title="You are encouraged to create an account and log in; however, it is not mandatory" class=""><span>Create account</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:UserLogin&returnto=Haplocanthosaurus" title="You're encouraged to log in; however, it's not mandatory. [o]" accesskey="o" class=""><span>Log in</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Log in and more options" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Personal tools" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Personal tools</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="User menu" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="https://donate.wikimedia.org/?wmf_source=donate&wmf_medium=sidebar&wmf_campaign=en.wikipedia.org&uselang=en"><span>Donate</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:CreateAccount&returnto=Haplocanthosaurus" title="You are encouraged to create an account and log in; however, it is not mandatory"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Create account</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:UserLogin&returnto=Haplocanthosaurus" title="You're encouraged to log in; however, it's not mandatory. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Log in</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pages for logged out editors <a href="/wiki/Help:Introduction" aria-label="Learn more about editing"><span>learn more</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:MyContributions" title="A list of edits made from this IP address [y]" accesskey="y"><span>Contributions</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:MyTalk" title="Discussion about edits from this IP address [n]" accesskey="n"><span>Talk</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contents" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Contents</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">(Top)</div> </a> </li> <li id="toc-Discovery" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Discovery"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Discovery</span> </div> </a> <ul id="toc-Discovery-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Description" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Description"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Description</span> </div> </a> <button aria-controls="toc-Description-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Description subsection</span> </button> <ul id="toc-Description-sublist" class="vector-toc-list"> <li id="toc-Distinguishing_characteristics" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Distinguishing_characteristics"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Distinguishing characteristics</span> </div> </a> <ul id="toc-Distinguishing_characteristics-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Classification" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Classification"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Classification</span> </div> </a> <ul id="toc-Classification-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Table of Contents" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><i>Haplocanthosaurus</i></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 20 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-20" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">20 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%87%D8%A7%D8%A8%D9%84%D9%88%D9%83%D8%A7%D9%86%D8%AB%D8%B5%D9%88%D8%B1" title="هابلوكانثصور – Arabic" lang="ar" hreflang="ar" data-title="هابلوكانثصور" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Haplocantosaure" title="Haplocantosaure – Catalan" lang="ca" hreflang="ca" data-title="Haplocantosaure" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Haplocanthosaurus" title="Haplocanthosaurus – Czech" lang="cs" hreflang="cs" data-title="Haplocanthosaurus" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Haplocanthosaurus" title="Haplocanthosaurus – German" lang="de" hreflang="de" data-title="Haplocanthosaurus" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Haplocanthosaurus" title="Haplocanthosaurus – Spanish" lang="es" hreflang="es" data-title="Haplocanthosaurus" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%87%D8%A7%D9%BE%D9%84%D9%88%DA%A9%D8%A7%D9%86%D8%AA%D9%88%D8%B3%D9%88%D8%B1" title="هاپلوکانتوسور – Persian" lang="fa" hreflang="fa" data-title="هاپلوکانتوسور" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Haplocanthosaurus" title="Haplocanthosaurus – French" lang="fr" hreflang="fr" data-title="Haplocanthosaurus" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%ED%95%98%ED%94%8C%EB%A1%9C%EC%B9%B8%ED%86%A0%EC%82%AC%EC%9A%B0%EB%A3%A8%EC%8A%A4" title="하플로칸토사우루스 – Korean" lang="ko" hreflang="ko" data-title="하플로칸토사우루스" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Haplocanthosaurus" title="Haplocanthosaurus – Italian" lang="it" hreflang="it" data-title="Haplocanthosaurus" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%94%D7%A4%D7%9C%D7%95%D7%A7%D7%A0%D7%98%D7%95%D7%96%D7%90%D7%95%D7%A8%D7%95%D7%A1" title="הפלוקנטוזאורוס – Hebrew" lang="he" hreflang="he" data-title="הפלוקנטוזאורוס" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Haplocanthosaurus" title="Haplocanthosaurus – Hungarian" lang="hu" hreflang="hu" data-title="Haplocanthosaurus" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Haplocanthosaurus" title="Haplocanthosaurus – Dutch" lang="nl" hreflang="nl" data-title="Haplocanthosaurus" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%8F%E3%83%97%E3%83%AD%E3%82%AB%E3%83%B3%E3%83%88%E3%82%B5%E3%82%A6%E3%83%AB%E3%82%B9" title="ハプロカントサウルス – Japanese" lang="ja" hreflang="ja" data-title="ハプロカントサウルス" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Haplokantozaur" title="Haplokantozaur – Polish" lang="pl" hreflang="pl" data-title="Haplokantozaur" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%93%D0%B0%D0%BF%D0%BB%D0%BE%D0%BA%D0%B0%D0%BD%D1%82%D0%BE%D0%B7%D0%B0%D0%B2%D1%80" title="Гаплокантозавр – Russian" lang="ru" hreflang="ru" data-title="Гаплокантозавр" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Haplocanthosaurus" title="Haplocanthosaurus – Slovak" lang="sk" hreflang="sk" data-title="Haplocanthosaurus" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Haplocanthosaurus" title="Haplocanthosaurus – Finnish" lang="fi" hreflang="fi" data-title="Haplocanthosaurus" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Haplocanthosaurus" title="Haplocanthosaurus – Turkish" lang="tr" hreflang="tr" data-title="Haplocanthosaurus" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Haplocanthosaurus" title="Haplocanthosaurus – Vietnamese" lang="vi" hreflang="vi" data-title="Haplocanthosaurus" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%B0%A1%E6%A3%98%E9%BE%8D%E5%B1%AC" title="簡棘龍屬 – Chinese" lang="zh" hreflang="zh" data-title="簡棘龍屬" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q133453#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Haplocanthosaurus" title="View the content page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Talk:Haplocanthosaurus" rel="discussion" title="Discuss improvements to the content page [t]" accesskey="t"><span>Talk</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Change language variant" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">English</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Views"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Haplocanthosaurus"><span>Read</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Haplocanthosaurus&action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Haplocanthosaurus&action=history" title="Past revisions of this page [h]" accesskey="h"><span>View history</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Tools" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Tools</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Tools</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">hide</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="More options" > <div class="vector-menu-heading"> Actions </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Haplocanthosaurus"><span>Read</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Haplocanthosaurus&action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Haplocanthosaurus&action=history"><span>View history</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:WhatLinksHere/Haplocanthosaurus" title="List of all English Wikipedia pages containing links to this page [j]" accesskey="j"><span>What links here</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:RecentChangesLinked/Haplocanthosaurus" rel="nofollow" title="Recent changes in pages linked from this page [k]" accesskey="k"><span>Related changes</span></a></li><li id="t-upload" class="mw-list-item"><a href="//en.wikipedia.org/wiki/Wikipedia:File_Upload_Wizard" title="Upload files [u]" accesskey="u"><span>Upload file</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Haplocanthosaurus&oldid=1274375182" title="Permanent link to this revision of this page"><span>Permanent link</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Haplocanthosaurus&action=info" title="More information about this page"><span>Page information</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:CiteThisPage&page=Haplocanthosaurus&id=1274375182&wpFormIdentifier=titleform" title="Information on how to cite this page"><span>Cite this page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FHaplocanthosaurus"><span>Get shortened URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FHaplocanthosaurus"><span>Download QR code</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Print/export </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=Haplocanthosaurus&action=show-download-screen" title="Download this page as a PDF file"><span>Download as PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Haplocanthosaurus&printable=yes" title="Printable version of this page [p]" accesskey="p"><span>Printable version</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> In other projects </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Haplocanthosaurus" hreflang="en"><span>Wikimedia Commons</span></a></li><li class="wb-otherproject-link wb-otherproject-species mw-list-item"><a href="https://species.wikimedia.org/wiki/Haplocanthosaurus" hreflang="en"><span>Wikispecies</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q133453" title="Structured data on this page hosted by Wikidata [g]" accesskey="g"><span>Wikidata item</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Extinct genus of dinosaurs</div> <p class="mw-empty-elt"> </p> <table class="infobox biota" style="text-align: left; width: 200px; font-size: 100%"> <tbody><tr> <th colspan="2" style="color:inherit; text-align: center; background-color: rgb(235,235,210)"><i>Haplocanthosaurus</i><br /><div style="font-size: 85%;">Temporal range: <a href="/wiki/Late_Jurassic" title="Late Jurassic">Late Jurassic</a>, <span class="noprint"><span style="display:inline-block;"></span><span style="display:inline-block;">155–152 <a href="/wiki/Megaannum" class="mw-redirect" title="Megaannum">Ma</a></span> <span style="display:inline-block;"></span><div id="Timeline-row" style="margin: 4px auto 0; clear:both; width:220px; padding:0px; height:18px; overflow:visible; white-space:nowrap; border:1px #666; border-style:solid none; position:relative; z-index:0; font-size:97%;"> <div style="position:absolute; height:100%; left:0px; width:207.23076923077px; padding-left:5px; text-align:left; background-color:rgb(254,217,106); background-image: linear-gradient(to right, rgba(255,255,255,1), rgba(254,217,106,1) 15%, rgba(254,217,106,1));"><a href="/wiki/Precambrian" title="Precambrian">PreꞒ</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(127,160,86); left:37.636923076923px; width:17.583076923077px;"><a href="/wiki/Cambrian" title="Cambrian">Ꞓ</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(0,146,112); left:55.22px; width:14.807692307692px;"><a href="/wiki/Ordovician" title="Ordovician">O</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(179,225,182); left:70.027692307692px; width:7.9470769230769px;"><a href="/wiki/Silurian" title="Silurian">S</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(203,140,55); left:77.974769230769px; width:20.564923076923px;"><a href="/wiki/Devonian" title="Devonian">D</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(103,165,153); left:98.539692307692px; width:20.294153846154px;"><a href="/wiki/Carboniferous" title="Carboniferous">C</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(240,64,40); left:118.83384615385px; width:15.907015384615px;"><a href="/wiki/Permian" title="Permian">P</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(129,43,146); left:134.74086153846px; width:17.092984615385px;"><a href="/wiki/Triassic" title="Triassic">T</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(52,178,201); left:151.83384615385px; width:19.732307692308px;"><a href="/wiki/Jurassic" title="Jurassic">J</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(127,198,78); left:171.56615384615px; width:26.095384615385px;"><a href="/wiki/Cretaceous" title="Cretaceous">K</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(253,154,82); left:197.66153846154px; width:14.540307692308px;"><a href="/wiki/Paleogene" title="Paleogene">Pg</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(255,230,25); left:212.20184615385px; width:6.9249230769231px;"><a href="/wiki/Neogene" title="Neogene">N</a></div> <div id="end-border" style="position:absolute; height:100%; background-color:#666; width:1px; left:219px"></div><div style="margin:0 auto; line-height:0; clear:both; width:220px; padding:0px; height:8px; overflow:visible; background-color:transparent; position:relative; top:-4px; z-index:100;"> <div style="position:absolute; left:167.53846153846px; font-size:50%"><div style="position:relative; left:-0.42em">↓</div></div> </div> </div></span></div> </th></tr> <tr> <td colspan="2" style="text-align: center"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Haplocanthosaurus_in_Cleveland_Museum_of_Natural_History.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/56/Haplocanthosaurus_in_Cleveland_Museum_of_Natural_History.jpg/250px-Haplocanthosaurus_in_Cleveland_Museum_of_Natural_History.jpg" decoding="async" width="250" height="167" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/56/Haplocanthosaurus_in_Cleveland_Museum_of_Natural_History.jpg/375px-Haplocanthosaurus_in_Cleveland_Museum_of_Natural_History.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/56/Haplocanthosaurus_in_Cleveland_Museum_of_Natural_History.jpg/500px-Haplocanthosaurus_in_Cleveland_Museum_of_Natural_History.jpg 2x" data-file-width="8256" data-file-height="5504" /></a></span> </td></tr> <tr> <td colspan="2" style="text-align: center; font-size: 88%">Mount of <i>H. delfsi</i> in <a href="/wiki/Cleveland_Museum_of_Natural_History" title="Cleveland Museum of Natural History">Cleveland Museum of Natural History</a> </td></tr> <tr> <th colspan="2" style="color:inherit; min-width:15em; text-align: center; background-color: rgb(235,235,210)"><a href="/wiki/Taxonomy_(biology)" title="Taxonomy (biology)">Scientific classification</a> <span class="plainlinks taxobox-edit-taxonomy skin-invert" style="font-size:smaller; float:right; padding-right:0.4em; margin-left:-3em;"><span typeof="mw:File"><a href="/wiki/Template:Taxonomy/Haplocanthosaurus" title="Edit this classification"><img alt="Edit this classification" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr.svg/15px-OOjs_UI_icon_edit-ltr.svg.png" decoding="async" width="15" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr.svg/23px-OOjs_UI_icon_edit-ltr.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr.svg/30px-OOjs_UI_icon_edit-ltr.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span> </th></tr> <tr> <td>Domain: </td> <td><a href="/wiki/Eukaryote" title="Eukaryote">Eukaryota</a> </td></tr> <tr> <td>Kingdom: </td> <td><a href="/wiki/Animal" title="Animal">Animalia</a> </td></tr> <tr> <td>Phylum: </td> <td><a href="/wiki/Chordate" title="Chordate">Chordata</a> </td></tr> <tr> <td><i>Clade</i>: </td> <td><a href="/wiki/Dinosaur" title="Dinosaur">Dinosauria</a> </td></tr> <tr> <td><i>Clade</i>: </td> <td><a href="/wiki/Saurischia" title="Saurischia">Saurischia</a> </td></tr> <tr> <td><i>Clade</i>: </td> <td><span style="font-style:normal;font-weight:normal;">†</span><a href="/wiki/Sauropodomorpha" title="Sauropodomorpha">Sauropodomorpha</a> </td></tr> <tr> <td><i>Clade</i>: </td> <td><span style="font-style:normal;font-weight:normal;">†</span><a href="/wiki/Sauropoda" title="Sauropoda">Sauropoda</a> </td></tr> <tr> <td>Superfamily: </td> <td><span style="font-style:normal;font-weight:normal;">†</span><a href="/wiki/Diplodocoidea" title="Diplodocoidea">Diplodocoidea</a> </td></tr> <tr> <td>Family: </td> <td><span style="font-style:normal;font-weight:normal;">†</span><a class="mw-selflink selflink">Haplocanthosauridae</a><br /><small><a href="/wiki/Jose_Bonaparte" class="mw-redirect" title="Jose Bonaparte">Bonaparte</a>, 1999</small> </td></tr> <tr> <td>Genus: </td> <td><span style="font-style:normal;font-weight:normal;">†</span><a class="mw-selflink selflink"><i>Haplocanthosaurus</i></a><br /><small><a href="/wiki/John_Bell_Hatcher" title="John Bell Hatcher">Hatcher</a>, 1903 (<a href="/wiki/Conserved_name" title="Conserved name">conserved name</a>)</small> </td></tr> <tr> <th colspan="2" style="color:inherit; text-align: center; background-color: rgb(235,235,210)"><a href="/wiki/Type_species" title="Type species">Type species</a> </th></tr> <tr> <td colspan="2" style="text-align: center"><abbr title="Extinct" aria-label="Extinct" style="border: none; text-decoration: none; cursor: inherit; font-weight: normal; font-style: normal;">†</abbr><i><b>Haplocanthosaurus priscus</b></i><br /><div style="font-size: 85%;">(Hatcher, 1903) (conserved name)</div> </td></tr> <tr> <th colspan="2" style="color:inherit; text-align: center; background-color: rgb(235,235,210)">Other species </th></tr> <tr> <td colspan="2" style="text-align: left"> <ul><li><abbr title="Extinct" aria-label="Extinct" style="border: none; text-decoration: none; cursor: inherit; font-weight: normal; font-style: normal;">†</abbr><i><b>H. delfsi</b></i> <br /><small>McIntosh & Williams, 1988</small></li></ul> </td></tr> <tr> <th colspan="2" style="color:inherit; text-align: center; background-color: rgb(235,235,210)"><a href="/wiki/Synonym_(taxonomy)" title="Synonym (taxonomy)">Synonyms</a> </th></tr> <tr> <td colspan="2" style="text-align: left"> <ul><li><i>Haplocanthus</i> <small>Hatcher, 1903 (<a href="/wiki/Preoccupied" class="mw-redirect" title="Preoccupied">preoccupied</a>; <i><a href="/wiki/Nomen_rejectum" class="mw-redirect" title="Nomen rejectum">nomen rejectum</a></i>)</small></li> <li><i>Haplocanthosaurus utterbacki</i> <small>Hatcher, 1903</small><sup id="cite_ref-forster&wedel2014_1-0" class="reference"><a href="#cite_note-forster&wedel2014-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></li></ul> </td></tr> </tbody></table><style data-mw-deduplicate="TemplateStyles:r1238732961">@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox.biota tr{background:transparent!important}html.skin-theme-clientpref-night .mw-parser-output .infobox.biota img{background:transparent}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox.biota tr{background:transparent!important}html.skin-theme-clientpref-os .mw-parser-output .infobox.biota img{background:white}}.mw-parser-output .infobox.biota .taxobox-edit-taxonomy img{background:transparent!important}body.skin-vector .mw-parser-output table.biota.infobox{margin-top:0.5em}body.skin--responsive .mw-parser-output table.biota.infobox tr.taxonrow td{padding:2px 10px}</style> <p><i><b>Haplocanthosaurus</b></i> (meaning "simple spined lizard") is a <a href="/wiki/Genus" title="Genus">genus</a> of <a href="/wiki/Diplodocoidea" title="Diplodocoidea">diplodocoid</a> <a href="/wiki/Sauropod" class="mw-redirect" title="Sauropod">sauropod</a> <a href="/wiki/Dinosaur" title="Dinosaur">dinosaur</a>. Two species, <i>H. delfsi</i> and <i>H. priscus</i>, are known from incomplete <a href="/wiki/Fossil" title="Fossil">fossil</a> <a href="/wiki/Skeletons" class="mw-redirect" title="Skeletons">skeletons</a>. They lived during the Late <a href="/wiki/Jurassic" title="Jurassic">Jurassic</a> (<a href="/wiki/Kimmeridgian" title="Kimmeridgian">Kimmeridgian</a> stage), 155 to 152 million years ago in North America.<sup id="cite_ref-turner1999_2-0" class="reference"><a href="#cite_note-turner1999-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> The type species is <i>H. priscus,</i> named in 1903 <a href="/wiki/John_Bell_Hatcher" title="John Bell Hatcher">John Bell Hatcher</a> <i>,</i> and the referred species <i>H. delfsi</i> was discovered by a young college student named Edwin Delfs in <a href="/wiki/Colorado" title="Colorado">Colorado</a>, United States and described by <a href="/wiki/John_Stanton_McIntosh" title="John Stanton McIntosh">Jack McIntosh</a> and Williams in 1988. <i>Haplocanthosaurus</i> specimens have been found in the very lowest layer of the <a href="/wiki/Morrison_Formation" title="Morrison Formation">Morrison Formation</a>, along with <i><a href="/wiki/Hesperosaurus_mjosi" class="mw-redirect" title="Hesperosaurus mjosi">Hesperosaurus mjosi</a></i>, <i><a href="/wiki/Brontosaurus_yahnahpin" class="mw-redirect" title="Brontosaurus yahnahpin">Brontosaurus yahnahpin</a></i>, and <i><a href="/wiki/Allosaurus_jimmadensi" class="mw-redirect" title="Allosaurus jimmadensi">Allosaurus jimmadseni</a></i>.<sup id="cite_ref-foster2007_3-0" class="reference"><a href="#cite_note-foster2007-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Discovery">Discovery</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Haplocanthosaurus&action=edit&section=1" title="Edit section: Discovery"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Haplocanthosaurus_in_situ.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0a/Haplocanthosaurus_in_situ.jpg/220px-Haplocanthosaurus_in_situ.jpg" decoding="async" width="220" height="219" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0a/Haplocanthosaurus_in_situ.jpg/330px-Haplocanthosaurus_in_situ.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0a/Haplocanthosaurus_in_situ.jpg/440px-Haplocanthosaurus_in_situ.jpg 2x" data-file-width="1040" data-file-height="1034" /></a><figcaption>Quarry map showing holotype of <i>H. priscus</i></figcaption></figure> <p>There are four known specimens of <i>Haplocanthosaurus</i>: one of <i>H. delfsi</i>, and three of <i>H. priscus</i>. Of these, the <a href="/wiki/Type_specimen" class="mw-redirect" title="Type specimen">type</a> of <i>H. delfsi</i> is the only one complete enough to mount. The mounted specimen of <i>H. delfsi</i> now stands in the <a href="/wiki/Cleveland_Museum_of_Natural_History" title="Cleveland Museum of Natural History">Cleveland Museum of Natural History</a>, albeit with a completely speculative replica skull, as the actual skull was not recovered. Present in stratigraphic zones 1, 2, and 4.<sup id="cite_ref-foster-appendix_4-0" class="reference"><a href="#cite_note-foster-appendix-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Recently described specimens from a different region of the Morrison Formation were assigned to <i>Haplocanthosaurus</i> in 2014. The study describing them noted that <i>Haplocanthosaurus</i> is known for certain from at least four specimens, assigned to <i>H. priscus</i> (CM 572), <i>H. utterbacki</i> (=<i>H. priscus</i>; CM 879), <i>H. delfsi</i> (CMNH 10380),<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> and <i>H.</i> sp. (MWC 8028). Up to seven additional specimens have been assigned to <i>Haplocanthosaurus</i>? or Haplocanthosauridae indet.<sup id="cite_ref-forster&wedel2014_1-1" class="reference"><a href="#cite_note-forster&wedel2014-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> One potential specimen has been nicknamed "Big Monty," for its discovery in Montana. It has been claimed to measure an incredible 34 meters (110 ft) long. However, much controversy surrounds the specimen and, as such, little is truly known about it.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Description">Description</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Haplocanthosaurus&action=edit&section=2" title="Edit section: Description"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Haplocanthosaurus.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Haplocanthosaurus.jpg/220px-Haplocanthosaurus.jpg" decoding="async" width="220" height="189" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Haplocanthosaurus.jpg/330px-Haplocanthosaurus.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Haplocanthosaurus.jpg/440px-Haplocanthosaurus.jpg 2x" data-file-width="900" data-file-height="774" /></a><figcaption><a href="/wiki/Life_restoration" class="mw-redirect" title="Life restoration">Life restoration</a></figcaption></figure> <p><i>Haplocanthosaurus</i> was one of the smallest <a href="/wiki/Sauropods" class="mw-redirect" title="Sauropods">sauropods</a> of the Morrison.<sup id="cite_ref-foster2007_3-1" class="reference"><a href="#cite_note-foster2007-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> While some Morrison sauropods could reach lengths of over 20 meters (or over 66 feet), <i>Haplocanthosaurus</i> was smaller, reaching a total length of 14.8 meters (49 feet) and an estimated weight of 12.8 metric tons (14.1 short tons).<sup id="cite_ref-mazzettaetal2008_7-0" class="reference"><a href="#cite_note-mazzettaetal2008-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p><p><i>Haplocanthosaurus</i> is known from many elements, mostly of vertebra. In the middle and cervical caudals of <i><a href="/wiki/Apatosaurus" title="Apatosaurus">Apatosaurus</a></i>, <i><a href="/wiki/Camarasaurus" title="Camarasaurus">Camarasaurus</a></i>, <i><a href="/wiki/Cetiosaurus" title="Cetiosaurus">Cetiosaurus</a></i> and <i>Haplocanthosaurus</i>, the intraprezygapophyseal lamina is separate from the root of the neural canal by a vertical midline lamina. In the last few caudals and the most cranial dorsals, the lateral edge of the prezygapophyseal lamina becomes widened and roughened. Hatcher (1901) interpreted this as forming the attachment area for the muscles from which the scapular blade was suspended.<sup id="cite_ref-thedinosauria_8-0" class="reference"><a href="#cite_note-thedinosauria-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p><p>The dorsoventrally elongate oval outlines are characteristic of <i>Haplocanthosaurus</i> with only <i>Camarasaurus</i> also possessing them. The parapophyses remaining as oval facets on the craniolateral margin, and the sacral spines 1-3 fused are also found in both <i>Haplocanthosaurus</i> and <i>Camarasaurus</i>.<sup id="cite_ref-thedinosauria_8-1" class="reference"><a href="#cite_note-thedinosauria-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p><p>The <i>Cetiosaurus</i> specimen <a href="/wiki/Oxford_University_Museum_of_Natural_History" title="Oxford University Museum of Natural History">OUMNH</a> J13695 has a low horizontal ridge on each of its lateral surfaces, creating a slightly subhexagonal transverse cross-section, a feature also seen on <i><a href="/wiki/Cetiosauriscus" title="Cetiosauriscus">Cetiosauriscus</a></i>, the anterior caudals of <i>Haplocanthosaurus</i>, and caudals 15-30 of <i><a href="/wiki/Omeisaurus" title="Omeisaurus">Omeisaurus</a></i>. Also, the area around the periphery of each articular face is flattened, creating a ‘bevelled’ appearance, and also occurs in <i>Haplocanthosaurus</i> and <i>Cetiosauriscus</i>.<sup id="cite_ref-upchurch_9-0" class="reference"><a href="#cite_note-upchurch-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Distinguishing_characteristics">Distinguishing characteristics</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Haplocanthosaurus&action=edit&section=3" title="Edit section: Distinguishing characteristics"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><i>Haplocanthosaurus</i> is distinguished by dorsal vertebra lacking cranial centrodiapophyseal laminae. Also, it is distinguished by elongate intrapostzygapophyseal laminae, dorsoventrally directed dorsal transverse processes that approach the height of the neural spines, and the distal end of the scapular blade being dorsally and ventrally expanded.<sup id="cite_ref-thedinosauria_8-2" class="reference"><a href="#cite_note-thedinosauria-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Classification">Classification</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Haplocanthosaurus&action=edit&section=4" title="Edit section: Classification"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Haplocanthosaurus_utterbacki_skeletal.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fd/Haplocanthosaurus_utterbacki_skeletal.png/220px-Haplocanthosaurus_utterbacki_skeletal.png" decoding="async" width="220" height="70" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fd/Haplocanthosaurus_utterbacki_skeletal.png/330px-Haplocanthosaurus_utterbacki_skeletal.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fd/Haplocanthosaurus_utterbacki_skeletal.png/440px-Haplocanthosaurus_utterbacki_skeletal.png 2x" data-file-width="5210" data-file-height="1664" /></a><figcaption>Diagram showing known remains of specimen CM 879</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Haplocanthosaurus_vernal_1.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/44/Haplocanthosaurus_vernal_1.jpg/170px-Haplocanthosaurus_vernal_1.jpg" decoding="async" width="170" height="194" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/44/Haplocanthosaurus_vernal_1.jpg/255px-Haplocanthosaurus_vernal_1.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/44/Haplocanthosaurus_vernal_1.jpg/340px-Haplocanthosaurus_vernal_1.jpg 2x" data-file-width="3277" data-file-height="3739" /></a><figcaption>Specimen <a href="/wiki/Utah_Field_House_of_Natural_History_State_Park_Museum" title="Utah Field House of Natural History State Park Museum">FHPR</a> 1106</figcaption></figure> <p><i>Haplocanthosaurus priscus</i> was originally named <i>Haplocanthus priscus</i> by <a href="/wiki/John_Bell_Hatcher" title="John Bell Hatcher">John Bell Hatcher</a> in 1903. Soon after his original description, Hatcher came to believe the name <i>Haplocanthus</i> had already been used for a genus of <a href="/wiki/Acanthodii" title="Acanthodii">acanthodian fish</a> (<i>Haplacanthus</i>, named by <a href="/wiki/Louis_Agassiz" title="Louis Agassiz">Louis Agassiz</a> in 1845), and was thus preoccupied. Hatcher re-classified his sauropod later in 1903, giving it the new name <i>Haplocanthosaurus</i>.<sup id="cite_ref-hatcher1903_10-0" class="reference"><a href="#cite_note-hatcher1903-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> However, the name was not technically preoccupied at all, since there was a variation in spelling: the fish was named <i>Hapl<b>a</b>canthus</i>, not <i>Hapl<b>o</b>canthus</i>. While <i>Haplocanthus</i> technically remained the valid name for this dinosaur, Hatcher's mistake was not noticed until many years after the name <i>Haplocanthosaurus</i> had become fixed in scientific literature. When the mistake was finally discovered, a petition was sent to the <a href="/wiki/International_Commission_on_Zoological_Nomenclature" title="International Commission on Zoological Nomenclature">ICZN</a> (the body which governs scientific names in zoology), which officially discarded the name <i>Haplocanthus</i> and declared <i>Haplocanthosaurus</i> the official name (ICZN Opinion #1633). </p><p>Originally described as a "<a href="/wiki/Cetiosauridae" title="Cetiosauridae">cetiosaurid</a>", <a href="/wiki/Jos%C3%A9_Bonaparte" title="José Bonaparte">José Bonaparte</a> decided in 1999 that <i>Haplocanthosaurus</i> differed enough from other sauropods to warrant its own <a href="/wiki/Family_(biology)" title="Family (biology)">family</a>, the Haplocanthosauridae.<sup id="cite_ref-bonaparte1999_11-0" class="reference"><a href="#cite_note-bonaparte1999-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p><p><a href="/wiki/Phylogenetic" class="mw-redirect" title="Phylogenetic">Phylogenetic</a> studies have failed to clarify the exact relationships of <i>Haplocanthosaurus</i> with any certainty. Studies have variously found it to be more primitive than the <a href="/wiki/Neosauropoda" title="Neosauropoda">neosauropods</a>,<sup id="cite_ref-upchurch1999_12-0" class="reference"><a href="#cite_note-upchurch1999-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> a primitive <a href="/wiki/Macronaria" title="Macronaria">macronarian</a> (related to the ancestor of more advanced forms such as <i><a href="/wiki/Camarasaurus" title="Camarasaurus">Camarasaurus</a></i> and the <a href="/wiki/Brachiosauridae" title="Brachiosauridae">brachiosaurids</a>),<sup id="cite_ref-wilson&sereno1998_13-0" class="reference"><a href="#cite_note-wilson&sereno1998-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> or a very primitive <a href="/wiki/Diplodocoidea" title="Diplodocoidea">diplodocoid</a>, more closely related to <i><a href="/wiki/Diplodocus" title="Diplodocus">Diplodocus</a></i> than to <a href="/wiki/Titanosaur" class="mw-redirect" title="Titanosaur">titanosaurs</a>, but more primitive than <a href="/wiki/Rebbachisauridae" title="Rebbachisauridae">rebbachisaurids</a>.<sup id="cite_ref-wilson2002_14-0" class="reference"><a href="#cite_note-wilson2002-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p><p>In 2005, <a href="/wiki/Darren_Naish" title="Darren Naish">Darren Naish</a> and <a href="/wiki/Michael_P._Taylor" title="Michael P. Taylor">Mike Taylor</a> reviewed the various proposed positions of <i>Haplocanthosaurus</i> in their study of diplodocoid phylogeny. They found it could be a non-neosauropod eusauropod, a basal macronarian, or a basal diplodocoid.<sup id="cite_ref-taylor&naish2005_15-0" class="reference"><a href="#cite_note-taylor&naish2005-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> In 2011, an analysis by Whitlock recovered Haplocanthosaurus as the basalmost member of the Diplodocoidea, the third potentiality of Taylor & Naish.<sup id="cite_ref-whitlock2011_16-0" class="reference"><a href="#cite_note-whitlock2011-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> In 2015, a specimen-level phylogenetic analysis was published, finding <i>Haplocanthosaurus</i> to be a confirmed diplodocoid, either very basal, or more derived than rebbachisaurids. Their implied weighting cladogram is shown below.<sup id="cite_ref-TMB2015_17-0" class="reference"><a href="#cite_note-TMB2015-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Cleveland_Museum_Haplocanthosaurus.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Cleveland_Museum_Haplocanthosaurus.jpg/220px-Cleveland_Museum_Haplocanthosaurus.jpg" decoding="async" width="220" height="147" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Cleveland_Museum_Haplocanthosaurus.jpg/330px-Cleveland_Museum_Haplocanthosaurus.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Cleveland_Museum_Haplocanthosaurus.jpg/440px-Cleveland_Museum_Haplocanthosaurus.jpg 2x" data-file-width="4006" data-file-height="2671" /></a><figcaption>Outdated <i>H. delfsi</i> skeleton mount, <a href="/wiki/Cleveland_Museum_of_Natural_History" title="Cleveland Museum of Natural History">Cleveland Museum of Natural History</a></figcaption></figure> <div class="clade"><style data-mw-deduplicate="TemplateStyles:r1261294616">body.skin-vector-2022 .mw-parser-output div.clade,body.skin-minerva .mw-parser-output div.clade{overflow-x:auto;overflow-y:hidden}body.skin-minerva .mw-parser-output div.clade p{font-size:inherit}.mw-parser-output table.clade{border-spacing:0;margin:0;font-size:100%;line-height:100%;border-collapse:separate;width:auto;display:table}.mw-parser-output table.clade table.clade{width:100%;line-height:inherit}.mw-parser-output table.clade td.clade-label{min-width:0.2em;width:0.2em;padding:0.1em 0.25em;vertical-align:bottom;text-align:center;border-left:1px solid;border-bottom:1px solid;white-space:nowrap}.mw-parser-output table.clade td.clade-label::before,.mw-parser-output table.clade td.clade-slabel::before{content:"\2060 "}.mw-parser-output table.clade td.clade-fixed-width{overflow:hidden;text-overflow:ellipsis}.mw-parser-output table.clade td.clade-fixed-width:hover{overflow:visible}.mw-parser-output table.clade td.clade-label.first{border-left:none;border-right:none}.mw-parser-output table.clade td.clade-label.reverse{border-left:none;border-right:1px solid}.mw-parser-output table.clade td.clade-slabel{padding:0.1em 0.25em;vertical-align:top;text-align:center;border-left:1px solid;white-space:nowrap}.mw-parser-output table.clade td.clade-slabel:hover{overflow:visible}.mw-parser-output table.clade td.clade-slabel.last{border-left:none;border-right:none}.mw-parser-output table.clade td.clade-slabel.reverse{border-left:none;border-right:1px solid}.mw-parser-output table.clade td.clade-bar{vertical-align:middle;text-align:left;padding:0 0.5em;position:relative}.mw-parser-output table.clade td.clade-bar.reverse{text-align:right;position:relative}.mw-parser-output table.clade td.clade-leaf{border:0;padding:0;text-align:left}.mw-parser-output table.clade td.clade-leaf p{padding-right:5px;padding-left:2px}.mw-parser-output table.clade td.clade-leafR{border:0;padding:0;text-align:right}.mw-parser-output table.clade td.clade-leafR p{padding-left:5px;padding-right:2px}.mw-parser-output table.clade td.clade-leaf.reverse{text-align:right}.mw-parser-output table.clade td.clade-leaf.reverse p{padding-left:5px;padding-right:2px}.mw-parser-output table.clade:hover span.linkA{background-color:yellow}.mw-parser-output table.clade:hover span.linkB{background-color:green}</style> <table class="clade" style="font-size:85%; line-height: 85%"> <tbody><tr> <td class="clade-label first"><a href="/wiki/Diplodocoidea" title="Diplodocoidea">Diplodocoidea</a> </td> <td rowspan="2" class="clade-leaf"> <div><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1261294616"> <table class="clade"> <tbody><tr> <td class="clade-label first"> </td> <td rowspan="2" class="clade-leaf"> <p><i><b>Haplocanthosaurus priscus</b></i> </p> </td></tr> <tr> <td class="clade-slabel"> </td></tr> <tr> <td class="clade-label"><a href="/wiki/Diplodocimorpha" class="mw-redirect" title="Diplodocimorpha">Diplodocimorpha</a> </td> <td rowspan="2" class="clade-leaf"> <div><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1261294616"> <table class="clade"> <tbody><tr> <td class="clade-label first"><a href="/wiki/Rebbachisauridae" title="Rebbachisauridae">Rebbachisauridae</a> </td> <td rowspan="2" class="clade-leaf"> <div><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1261294616"> <table class="clade"> <tbody><tr> <td class="clade-label first"> </td> <td rowspan="2" class="clade-leaf"> <p><i><a href="/wiki/Zapalasaurus" title="Zapalasaurus">Zapalasaurus</a></i> </p> </td></tr> <tr> <td class="clade-slabel"> </td></tr> <tr> <td class="clade-label"> </td> <td rowspan="2" class="clade-leaf"> <div><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1261294616"> <table class="clade"> <tbody><tr> <td class="clade-label first"><a href="/wiki/Limaysaurinae" class="mw-redirect" title="Limaysaurinae">Limaysaurinae</a> </td> <td rowspan="2" class="clade-leaf"> <div><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1261294616"> <table class="clade"> <tbody><tr> <td class="clade-label first"> </td> <td rowspan="2" class="clade-leaf"> <p><i><a href="/wiki/Limaysaurus" title="Limaysaurus">Limaysaurus</a></i> </p> </td></tr> <tr> <td class="clade-slabel"> </td></tr> <tr> <td class="clade-label"> </td> <td rowspan="2" class="clade-leaf"> <p><i><a href="/wiki/Cathartesaura" title="Cathartesaura">Cathartesaura</a></i> </p> </td></tr> <tr> <td class="clade-slabel last"> </td></tr></tbody></table></div> </td></tr> <tr> <td class="clade-slabel"> </td></tr> <tr> <td class="clade-label"><a href="/wiki/Nigersaurinae" class="mw-redirect" title="Nigersaurinae">Nigersaurinae</a> </td> <td rowspan="2" class="clade-leaf"> <div><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1261294616"> <table class="clade"> <tbody><tr> <td class="clade-label first"> </td> <td rowspan="2" class="clade-leaf"> <p><i><a href="/wiki/Nigersaurus" title="Nigersaurus">Nigersaurus</a></i> </p> </td></tr> <tr> <td class="clade-slabel"> </td></tr> <tr> <td class="clade-label"> </td> <td rowspan="2" class="clade-leaf"> <p><i><a href="/wiki/Demandasaurus" title="Demandasaurus">Demandasaurus</a></i> </p> </td></tr> <tr> <td class="clade-slabel last"> </td></tr></tbody></table></div> </td></tr> <tr> <td class="clade-slabel last"> </td></tr></tbody></table></div> </td></tr> <tr> <td class="clade-slabel last"> </td></tr></tbody></table></div> </td></tr> <tr> <td class="clade-slabel"> </td></tr> <tr> <td class="clade-label"> </td> <td rowspan="2" class="clade-leaf"> <p><a href="/wiki/Flagellicaudata" class="mw-redirect" title="Flagellicaudata">Flagellicaudata</a> </p> </td></tr> <tr> <td class="clade-slabel last"> </td></tr></tbody></table></div> </td></tr> <tr> <td class="clade-slabel last"> </td></tr></tbody></table></div> </td></tr> <tr> <td class="clade-slabel last"> </td></tr></tbody></table></div> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Haplocanthosaurus&action=edit&section=5" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-forster&wedel2014-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-forster&wedel2014_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-forster&wedel2014_1-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFForsterWedel2014" class="citation journal cs1">Forster, J.R.; Wedel, M.J. (2014). <a rel="nofollow" class="external text" href="https://sauroposeidon.files.wordpress.com/2010/04/foster-and-wedel-2014-haplocanthosaurus-from-snowmass-colorado.pdf">"<i>Haplocanthosaurus</i> (Saurischia: Sauropoda) from the lower Morrison Formation (Upper Jurassic) near Snowmass, Colorado"</a> <span class="cs1-format">(PDF)</span>. <i>Volumina Jurassica</i>. <b>12</b> (2): <span class="nowrap">197–</span>210. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.5604%2F17313708.1130144">10.5604/17313708.1130144</a> (inactive 1 November 2024).</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Volumina+Jurassica&rft.atitle=Haplocanthosaurus+%28Saurischia%3A+Sauropoda%29+from+the+lower+Morrison+Formation+%28Upper+Jurassic%29+near+Snowmass%2C+Colorado&rft.volume=12&rft.issue=2&rft.pages=%3Cspan+class%3D%22nowrap%22%3E197-%3C%2Fspan%3E210&rft.date=2014&rft_id=info%3Adoi%2F10.5604%2F17313708.1130144&rft.aulast=Forster&rft.aufirst=J.R.&rft.au=Wedel%2C+M.J.&rft_id=https%3A%2F%2Fsauroposeidon.files.wordpress.com%2F2010%2F04%2Ffoster-and-wedel-2014-haplocanthosaurus-from-snowmass-colorado.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHaplocanthosaurus" class="Z3988"></span><span class="cs1-maint citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_journal" title="Template:Cite journal">cite journal</a>}}</code>: CS1 maint: DOI inactive as of November 2024 (<a href="/wiki/Category:CS1_maint:_DOI_inactive_as_of_November_2024" title="Category:CS1 maint: DOI inactive as of November 2024">link</a>)</span></span> </li> <li id="cite_note-turner1999-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-turner1999_2-0">^</a></b></span> <span class="reference-text">Turner, C.E. and Peterson, F., (1999). "Biostratigraphy of dinosaurs in the Upper Jurassic Morrison Formation of the Western Interior, U.S.A." Pp. 77–114 in Gillette, D.D. (ed.), <i>Vertebrate Paleontology in Utah</i>. Utah Geological Survey Miscellaneous Publication 99-1.</span> </li> <li id="cite_note-foster2007-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-foster2007_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-foster2007_3-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Foster, J. (2007). <i>Jurassic West: The Dinosaurs of the Morrison Formation and Their World</i>. Indiana University Press. 389pp.</span> </li> <li id="cite_note-foster-appendix-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-foster-appendix_4-0">^</a></b></span> <span class="reference-text">Foster, J. (2007). "Appendix." <i>Jurassic West: The Dinosaurs of the Morrison Formation and Their World</i>. Indiana University Press. pp. 327-329.</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMcIntosh,_J.S.1988" class="citation journal cs1">McIntosh, J.S., Williams, M.E. (1988). <a rel="nofollow" class="external text" href="https://drive.google.com/file/d/0B8Yj0tBZ6RyTOGtSVmUzNURsZVE/view">"A new species of sauropod dinosaur, Haplocanthosaurus delfsi sp. nov., from the Upper Jurassic Morrison Fm. of Colorado"</a>. <i>Kirtlandia</i>. <b>43</b>: <span class="nowrap">3–</span>26 – via Biodiversity Heritage Library.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Kirtlandia&rft.atitle=A+new+species+of+sauropod+dinosaur%2C+Haplocanthosaurus+delfsi+sp.+nov.%2C+from+the+Upper+Jurassic+Morrison+Fm.+of+Colorado.&rft.volume=43&rft.pages=%3Cspan+class%3D%22nowrap%22%3E3-%3C%2Fspan%3E26&rft.date=1988&rft.aulast=McIntosh%2C+J.S.&rft.aufirst=Williams%2C+M.E.&rft_id=https%3A%2F%2Fdrive.google.com%2Ffile%2Fd%2F0B8Yj0tBZ6RyTOGtSVmUzNURsZVE%2Fview&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHaplocanthosaurus" class="Z3988"></span><span class="cs1-maint citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_journal" title="Template:Cite journal">cite journal</a>}}</code>: CS1 maint: multiple names: authors list (<a href="/wiki/Category:CS1_maint:_multiple_names:_authors_list" title="Category:CS1 maint: multiple names: authors list">link</a>)</span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFRonson2016" class="citation web cs1">Ronson, Jacqueline (5 July 2016). <a rel="nofollow" class="external text" href="https://www.inverse.com/article/17806-sauropod-dinosaur-discovery-montana-fossil-hunter-paleontology-nate-murphy">"Is Nate Murphy Holding a Dinosaur for Ransom?"</a>. <i>Inverse</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2021-05-06</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Inverse&rft.atitle=Is+Nate+Murphy+Holding+a+Dinosaur+for+Ransom%3F&rft.date=2016-07-05&rft.aulast=Ronson&rft.aufirst=Jacqueline&rft_id=https%3A%2F%2Fwww.inverse.com%2Farticle%2F17806-sauropod-dinosaur-discovery-montana-fossil-hunter-paleontology-nate-murphy&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHaplocanthosaurus" class="Z3988"></span></span> </li> <li id="cite_note-mazzettaetal2008-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-mazzettaetal2008_7-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMazzettaChristiansenFariña2004" class="citation journal cs1">Mazzetta, G.V.; Christiansen, P.; Fariña, R.A. (2004). "Giants and Bizarres: Body size of some southern South American Cretaceous dinosaurs". <i>Historical Biology</i>. <b>16</b> (2): <span class="nowrap">71–</span>83. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2004HBio...16...71M">2004HBio...16...71M</a>. <a href="/wiki/CiteSeerX_(identifier)" class="mw-redirect" title="CiteSeerX (identifier)">CiteSeerX</a> <span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.694.1650">10.1.1.694.1650</a></span>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1080%2F08912960410001715132">10.1080/08912960410001715132</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:56028251">56028251</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Historical+Biology&rft.atitle=Giants+and+Bizarres%3A+Body+size+of+some+southern+South+American+Cretaceous+dinosaurs&rft.volume=16&rft.issue=2&rft.pages=%3Cspan+class%3D%22nowrap%22%3E71-%3C%2Fspan%3E83&rft.date=2004&rft_id=https%3A%2F%2Fciteseerx.ist.psu.edu%2Fviewdoc%2Fsummary%3Fdoi%3D10.1.1.694.1650%23id-name%3DCiteSeerX&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A56028251%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1080%2F08912960410001715132&rft_id=info%3Abibcode%2F2004HBio...16...71M&rft.aulast=Mazzetta&rft.aufirst=G.V.&rft.au=Christiansen%2C+P.&rft.au=Fari%C3%B1a%2C+R.A.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHaplocanthosaurus" class="Z3988"></span></span> </li> <li id="cite_note-thedinosauria-8"><span class="mw-cite-backlink">^ <a href="#cite_ref-thedinosauria_8-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-thedinosauria_8-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-thedinosauria_8-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text">Weishample, D.B.; Dodson, P.; Osmolska, H. (2004). "The Dinosauria: Second Edition". <i>Berkeley, University of California Press</i>. 2: 266, 281-286, 288, 296-299, 302-302.</span> </li> <li id="cite_note-upchurch-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-upchurch_9-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFUpchurchMartin2003" class="citation journal cs1">Upchurch, P.; Martin, J. (2003). "The anatomy and taxonomy of <i>Cetiosaurus</i> (Saurischia: Sauropoda) from the Middle Jurassic of England". <i>Journal of Vertebrate Paleontology</i>. <b>23</b>: <span class="nowrap">208–</span>231. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1671%2F0272-4634%282003%2923%5B208%3Ataatoc%5D2.0.co%3B2">10.1671/0272-4634(2003)23[208:taatoc]2.0.co;2</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:55360032">55360032</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Journal+of+Vertebrate+Paleontology&rft.atitle=The+anatomy+and+taxonomy+of+Cetiosaurus+%28Saurischia%3A+Sauropoda%29+from+the+Middle+Jurassic+of+England&rft.volume=23&rft.pages=%3Cspan+class%3D%22nowrap%22%3E208-%3C%2Fspan%3E231&rft.date=2003&rft_id=info%3Adoi%2F10.1671%2F0272-4634%282003%2923%5B208%3Ataatoc%5D2.0.co%3B2&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A55360032%23id-name%3DS2CID&rft.aulast=Upchurch&rft.aufirst=P.&rft.au=Martin%2C+J.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHaplocanthosaurus" class="Z3988"></span></span> </li> <li id="cite_note-hatcher1903-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-hatcher1903_10-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHatcher1903a" class="citation journal cs1">Hatcher, J.B. (1903a). "A new name for the dinosaur <i>Haplocanthus</i> Hatcher". <i>Proceedings of the Biological Society of Washington</i>. <b>16</b>: 100.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Proceedings+of+the+Biological+Society+of+Washington&rft.atitle=A+new+name+for+the+dinosaur+Haplocanthus+Hatcher&rft.volume=16&rft.pages=100&rft.date=1903&rft.aulast=Hatcher&rft.aufirst=J.B.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHaplocanthosaurus" class="Z3988"></span></span> </li> <li id="cite_note-bonaparte1999-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-bonaparte1999_11-0">^</a></b></span> <span class="reference-text">Bonaparte, J. F. (1999). "An armoured sauropod from the Aptian of northern Patagonia, Argentina." In Tomida, Y., Rich, T. H. & Vickers-Rich, P. (eds.), 1999.<i> Proceedings of the Second Gondwanan Dinosaur Symposium</i>, National Science Museum Monographs #15, Tokyo: 1-12.</span> </li> <li id="cite_note-upchurch1999-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-upchurch1999_12-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFUpchurch1999" class="citation journal cs1">Upchurch, P (1999). "The phylogenetic relationships of the Nemegtosauridae (Saurischia, Sauropoda)". <i>Journal of Vertebrate Paleontology</i>. <b>19</b> (1): <span class="nowrap">106–</span>125. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1999JVPal..19..106U">1999JVPal..19..106U</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1080%2F02724634.1999.10011127">10.1080/02724634.1999.10011127</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Journal+of+Vertebrate+Paleontology&rft.atitle=The+phylogenetic+relationships+of+the+Nemegtosauridae+%28Saurischia%2C+Sauropoda%29&rft.volume=19&rft.issue=1&rft.pages=%3Cspan+class%3D%22nowrap%22%3E106-%3C%2Fspan%3E125&rft.date=1999&rft_id=info%3Adoi%2F10.1080%2F02724634.1999.10011127&rft_id=info%3Abibcode%2F1999JVPal..19..106U&rft.aulast=Upchurch&rft.aufirst=P&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHaplocanthosaurus" class="Z3988"></span></span> </li> <li id="cite_note-wilson&sereno1998-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-wilson&sereno1998_13-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWilsonSereno1998" class="citation journal cs1">Wilson, J.A.; Sereno, P.C. (1998). <a rel="nofollow" class="external text" href="http://doc.rero.ch/record/13900/files/PAL_E840.pdf">"Early evolution and higherlevel phylogeny of sauropod dinosaurs"</a> <span class="cs1-format">(PDF)</span>. <i>Society of Vertebrate Paleontology Memoir</i>. <b>5</b>: <span class="nowrap">1–</span>68. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.2307%2F3889325">10.2307/3889325</a>. <a href="/wiki/JSTOR_(identifier)" class="mw-redirect" title="JSTOR (identifier)">JSTOR</a> <a rel="nofollow" class="external text" href="https://www.jstor.org/stable/3889325">3889325</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Society+of+Vertebrate+Paleontology+Memoir&rft.atitle=Early+evolution+and+higherlevel+phylogeny+of+sauropod+dinosaurs&rft.volume=5&rft.pages=%3Cspan+class%3D%22nowrap%22%3E1-%3C%2Fspan%3E68&rft.date=1998&rft_id=info%3Adoi%2F10.2307%2F3889325&rft_id=https%3A%2F%2Fwww.jstor.org%2Fstable%2F3889325%23id-name%3DJSTOR&rft.aulast=Wilson&rft.aufirst=J.A.&rft.au=Sereno%2C+P.C.&rft_id=http%3A%2F%2Fdoc.rero.ch%2Frecord%2F13900%2Ffiles%2FPAL_E840.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHaplocanthosaurus" class="Z3988"></span></span> </li> <li id="cite_note-wilson2002-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-wilson2002_14-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWilson2002" class="citation journal cs1">Wilson, J.A. (2002). <a rel="nofollow" class="external text" href="https://deepblue.lib.umich.edu/bitstream/2027.42/73066/1/j.1096-3642.2002.00029.x.pdf">"Sauropod dinosaur phylogeny: critique and cladistic analysis"</a> <span class="cs1-format">(PDF)</span>. <i>Zoological Journal of the Linnean Society</i>. <b>136</b> (2): <span class="nowrap">217–</span>276. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1046%2Fj.1096-3642.2002.00029.x">10.1046/j.1096-3642.2002.00029.x</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Zoological+Journal+of+the+Linnean+Society&rft.atitle=Sauropod+dinosaur+phylogeny%3A+critique+and+cladistic+analysis&rft.volume=136&rft.issue=2&rft.pages=%3Cspan+class%3D%22nowrap%22%3E217-%3C%2Fspan%3E276&rft.date=2002&rft_id=info%3Adoi%2F10.1046%2Fj.1096-3642.2002.00029.x&rft.aulast=Wilson&rft.aufirst=J.A.&rft_id=https%3A%2F%2Fdeepblue.lib.umich.edu%2Fbitstream%2F2027.42%2F73066%2F1%2Fj.1096-3642.2002.00029.x.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHaplocanthosaurus" class="Z3988"></span></span> </li> <li id="cite_note-taylor&naish2005-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-taylor&naish2005_15-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFTaylorNaish2005" class="citation journal cs1">Taylor, M.P.; Naish, D. (2005). "The phylogenetic taxonomy of Diplodocoidea (Dinosauria: Sauropoda)". <i>PaleoBios</i>. <b>25</b> (2): <span class="nowrap">1–</span>7.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=PaleoBios&rft.atitle=The+phylogenetic+taxonomy+of+Diplodocoidea+%28Dinosauria%3A+Sauropoda%29&rft.volume=25&rft.issue=2&rft.pages=%3Cspan+class%3D%22nowrap%22%3E1-%3C%2Fspan%3E7&rft.date=2005&rft.aulast=Taylor&rft.aufirst=M.P.&rft.au=Naish%2C+D.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHaplocanthosaurus" class="Z3988"></span></span> </li> <li id="cite_note-whitlock2011-16"><span class="mw-cite-backlink"><b><a href="#cite_ref-whitlock2011_16-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWhitlock2011" class="citation journal cs1">Whitlock, J.A. (2011). <a rel="nofollow" class="external text" href="https://doi.org/10.1111%2Fj.1096-3642.2010.00665.x">"A phylogenetic analysis of Diplodocoidea (Saurischia: Sauropoda)"</a>. <i>Zoological Journal of the Linnean Society</i>. <b>161</b> (4): <span class="nowrap">872–</span>915. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1111%2Fj.1096-3642.2010.00665.x">10.1111/j.1096-3642.2010.00665.x</a></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Zoological+Journal+of+the+Linnean+Society&rft.atitle=A+phylogenetic+analysis+of+Diplodocoidea+%28Saurischia%3A+Sauropoda%29&rft.volume=161&rft.issue=4&rft.pages=%3Cspan+class%3D%22nowrap%22%3E872-%3C%2Fspan%3E915&rft.date=2011&rft_id=info%3Adoi%2F10.1111%2Fj.1096-3642.2010.00665.x&rft.aulast=Whitlock&rft.aufirst=J.A.&rft_id=https%3A%2F%2Fdoi.org%2F10.1111%252Fj.1096-3642.2010.00665.x&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHaplocanthosaurus" class="Z3988"></span></span> </li> <li id="cite_note-TMB2015-17"><span class="mw-cite-backlink"><b><a href="#cite_ref-TMB2015_17-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFTschoppMateusBenson2015" class="citation journal cs1">Tschopp, E.; Mateus, O.; Benson, R.B.J. (2015). <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4393826">"A specimen-level phylogenetic analysis and taxonomic revision of Diplodocidae (Dinosauria, Sauropoda)"</a>. <i>PeerJ</i>. <b>3</b>: e857. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.7717%2Fpeerj.857">10.7717/peerj.857</a></span>. <a href="/wiki/PMC_(identifier)" class="mw-redirect" title="PMC (identifier)">PMC</a> <span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4393826">4393826</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/25870766">25870766</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=PeerJ&rft.atitle=A+specimen-level+phylogenetic+analysis+and+taxonomic+revision+of+Diplodocidae+%28Dinosauria%2C+Sauropoda%29&rft.volume=3&rft.pages=e857&rft.date=2015&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC4393826%23id-name%3DPMC&rft_id=info%3Apmid%2F25870766&rft_id=info%3Adoi%2F10.7717%2Fpeerj.857&rft.aulast=Tschopp&rft.aufirst=E.&rft.au=Mateus%2C+O.&rft.au=Benson%2C+R.B.J.&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC4393826&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHaplocanthosaurus" class="Z3988"></span></span> </li> </ol></div></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Commons-logo.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:Haplocanthosaurus" class="extiw" title="commons:Category:Haplocanthosaurus">Haplocanthosaurus</a></span>.</div></div> </div> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist dd::after,.mw-parser-output .hlist li::after{content:" · ";font-weight:bold}.mw-parser-output .hlist dd:last-child::after,.mw-parser-output .hlist dt:last-child::after,.mw-parser-output .hlist li:last-child::after{content:none}.mw-parser-output .hlist dd dd:first-child::before,.mw-parser-output .hlist dd dt:first-child::before,.mw-parser-output .hlist dd li:first-child::before,.mw-parser-output .hlist dt dd:first-child::before,.mw-parser-output .hlist dt dt:first-child::before,.mw-parser-output .hlist dt li:first-child::before,.mw-parser-output .hlist li dd:first-child::before,.mw-parser-output .hlist li dt:first-child::before,.mw-parser-output .hlist li li:first-child::before{content:" (";font-weight:normal}.mw-parser-output .hlist dd dd:last-child::after,.mw-parser-output .hlist dd dt:last-child::after,.mw-parser-output .hlist dd li:last-child::after,.mw-parser-output .hlist dt dd:last-child::after,.mw-parser-output .hlist dt dt:last-child::after,.mw-parser-output .hlist dt li:last-child::after,.mw-parser-output .hlist li dd:last-child::after,.mw-parser-output .hlist li dt:last-child::after,.mw-parser-output .hlist li li:last-child::after{content:")";font-weight:normal}.mw-parser-output .hlist ol{counter-reset:listitem}.mw-parser-output .hlist ol>li{counter-increment:listitem}.mw-parser-output .hlist ol>li::before{content:" "counter(listitem)"\a0 "}.mw-parser-output .hlist dd ol>li:first-child::before,.mw-parser-output .hlist dt ol>li:first-child::before,.mw-parser-output .hlist li ol>li:first-child::before{content:" ("counter(listitem)"\a0 "}</style><style data-mw-deduplicate="TemplateStyles:r1236075235">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{padding:0.25em 1em;line-height:1.5em;text-align:center}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background-color:#fdfdfd}.mw-parser-output .navbox-list{line-height:1.5em;border-color:#fdfdfd}.mw-parser-output .navbox-list-with-group{text-align:left;border-left-width:2px;border-left-style:solid}.mw-parser-output tr+tr>.navbox-abovebelow,.mw-parser-output tr+tr>.navbox-group,.mw-parser-output tr+tr>.navbox-image,.mw-parser-output tr+tr>.navbox-list{border-top:2px solid #fdfdfd}.mw-parser-output .navbox-title{background-color:#ccf}.mw-parser-output .navbox-abovebelow,.mw-parser-output .navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background-color:#ddf}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background-color:#e6e6ff}.mw-parser-output .navbox-even{background-color:#f7f7f7}.mw-parser-output .navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="Sauropodomorpha368" style="padding:3px"><table class="nowraplinks hlist mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Sauropodomorpha" title="Template:Sauropodomorpha"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Sauropodomorpha" title="Template talk:Sauropodomorpha"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Sauropodomorpha" title="Special:EditPage/Template:Sauropodomorpha"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Sauropodomorpha368" style="font-size:114%;margin:0 4em"><a href="/wiki/Sauropodomorpha" title="Sauropodomorpha">Sauropodomorpha</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="*_Kingdom:_Animalia_*_Phylum:_Chordata_*_Class:_Sauropsida_*_Clade:_Avemetatarsalia_*_Clade:_Dinosauria368" style="font-size:114%;margin:0 4em"><span style="font-weight:normal; font-style:normal"><span style="font-size:85%;"> <ul><li>Kingdom: <a href="/wiki/Animal" title="Animal">Animalia</a></li> <li>Phylum: <a href="/wiki/Chordate" title="Chordate">Chordata</a></li> <li>Class: <a href="/wiki/Sauropsida" title="Sauropsida">Sauropsida</a></li> <li><i>Clade</i>: <a href="/wiki/Avemetatarsalia" title="Avemetatarsalia">Avemetatarsalia</a></li> <li><i>Clade</i>: <a href="/wiki/Dinosaur" title="Dinosaur">Dinosauria</a></li></ul> </span></span></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Avemetatarsalia19" scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Avemetatarsalia" title="Avemetatarsalia">Avemetatarsalia</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><ul><li>see <a href="/wiki/Template:Avemetatarsalia" title="Template:Avemetatarsalia">Avemetatarsalia</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Sauropodomorpha" title="Sauropodomorpha">Sauropodomorpha</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><ul><li>see below↓</li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><div id="Sauropodomorpha368" style="font-size:114%;margin:0 4em"><a href="/wiki/Sauropodomorpha" title="Sauropodomorpha">Sauropodomorpha</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Sauropodomorpha307" scope="row" class="navbox-group" style="width:1%"><div style="position:absolute;-webkit-transform:translate(-50%,-50%) rotate(270deg);-moz-transform:translate(-50%,-50%) rotate(270deg);-ms-transform:translate(-50%,-50%) rotate(270deg);-o-transform:translate(-50%,-50%) rotate(270deg);transform:translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Sauropodomorpha" title="Sauropodomorpha">Sauropodomorpha</a></div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Ahvaytum" title="Ahvaytum">Ahvaytum</a></i>?</li> <li><i><a href="/wiki/Buriolestes" title="Buriolestes">Buriolestes</a></i></li> <li><i><a href="/wiki/Eoraptor" title="Eoraptor">Eoraptor</a></i></li> <li><i><a href="/wiki/Gigantoscelus" title="Gigantoscelus">Gigantoscelus</a></i></li> <li><i><a href="/wiki/Guaibasaurus" title="Guaibasaurus">Guaibasaurus</a></i></li> <li><i><a href="/wiki/Mbiresaurus" title="Mbiresaurus">Mbiresaurus</a></i></li> <li><i><a href="/wiki/Pampadromaeus" title="Pampadromaeus">Pampadromaeus</a></i></li> <li><i><a href="/wiki/Panphagia" title="Panphagia">Panphagia</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Saturnaliidae" title="Saturnaliidae">Saturnaliidae</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Buriolestes" title="Buriolestes">Buriolestes</a></i>?</li> <li><i><a href="/wiki/Eoraptor" title="Eoraptor">Eoraptor</a></i>?</li> <li><i><a href="/wiki/Chromogisaurus" title="Chromogisaurus">Chromogisaurus</a></i></li> <li><i><a href="/wiki/Nhandumirim" title="Nhandumirim">Nhandumirim</a></i></li> <li><i><a href="/wiki/Pampadromaeus" title="Pampadromaeus">Pampadromaeus</a></i>?</li> <li><i><a href="/wiki/Panphagia" title="Panphagia">Panphagia</a></i>?</li> <li><i><a href="/wiki/Saturnalia_tupiniquim" title="Saturnalia tupiniquim">Saturnalia</a></i></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><div style="position:absolute;-webkit-transform:translate(-50%,-50%) rotate(270deg);-moz-transform:translate(-50%,-50%) rotate(270deg);-ms-transform:translate(-50%,-50%) rotate(270deg);-o-transform:translate(-50%,-50%) rotate(270deg);transform:translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Bagualosauria" class="mw-redirect" title="Bagualosauria">Bagualosauria</a></div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Arcusaurus" title="Arcusaurus">Arcusaurus</a></i></li> <li><i><a href="/wiki/Asylosaurus" title="Asylosaurus">Asylosaurus</a></i></li> <li><i><a href="/wiki/Bagualosaurus" title="Bagualosaurus">Bagualosaurus</a></i></li> <li><i><a href="/wiki/Efraasia" title="Efraasia">Efraasia</a></i></li> <li><i><a href="/wiki/Nambalia" title="Nambalia">Nambalia</a></i></li> <li><i><a href="/wiki/Pantydraco" title="Pantydraco">Pantydraco</a></i></li> <li><i><a href="/wiki/Thecodontosaurus" title="Thecodontosaurus">Thecodontosaurus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Unaysauridae" title="Unaysauridae">Unaysauridae</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Jaklapallisaurus" title="Jaklapallisaurus">Jaklapallisaurus</a></i></li> <li><i><a href="/wiki/Macrocollum" title="Macrocollum">Macrocollum</a></i></li> <li><i><a href="/wiki/Unaysaurus" title="Unaysaurus">Unaysaurus</a></i></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><div style="position:absolute;-webkit-transform:translate(-50%,-50%) rotate(270deg);-moz-transform:translate(-50%,-50%) rotate(270deg);-ms-transform:translate(-50%,-50%) rotate(270deg);-o-transform:translate(-50%,-50%) rotate(270deg);transform:translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Plateosauria" class="mw-redirect" title="Plateosauria">Plateosauria</a></div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Plateosauravus" title="Plateosauravus">Plateosauravus</a></i></li> <li><i><a href="/wiki/Ruehleia" title="Ruehleia">Ruehleia</a></i></li> <li><i><a href="/wiki/Xixiposaurus" title="Xixiposaurus">Xixiposaurus</a></i></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Plateosauridae" title="Plateosauridae">Plateosauridae</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Euskelosaurus" title="Euskelosaurus">Euskelosaurus</a></i></li> <li><i><a href="/wiki/Gresslyosaurus" title="Gresslyosaurus">Gresslyosaurus</a></i></li> <li><i><a href="/wiki/Issi" title="Issi">Issi</a></i></li> <li><i><a href="/wiki/Pachysauriscus" title="Pachysauriscus">Pachysauriscus</a></i></li> <li><i><a href="/wiki/Plateosaurus" title="Plateosaurus">Plateosaurus</a></i></li> <li><i><a href="/wiki/Yimenosaurus" title="Yimenosaurus">Yimenosaurus</a></i></li></ul> </div></td></tr></tbody></table><div> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><div style="position:absolute;-webkit-transform:translate(-50%,-50%) rotate(270deg);-moz-transform:translate(-50%,-50%) rotate(270deg);-ms-transform:translate(-50%,-50%) rotate(270deg);-o-transform:translate(-50%,-50%) rotate(270deg);transform:translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Massopoda" title="Massopoda">Massopoda</a></div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Gryponyx" title="Gryponyx">Gryponyx</a></i></li> <li><i><a href="/wiki/Gyposaurus" title="Gyposaurus">Gyposaurus</a></i></li> <li><i><a href="/wiki/Ignavusaurus" title="Ignavusaurus">Ignavusaurus</a></i></li> <li><i><a href="/wiki/Kholumolumo" title="Kholumolumo">Kholumolumo</a></i></li> <li><i><a href="/wiki/Musankwa" title="Musankwa">Musankwa</a></i></li> <li><i><a href="/wiki/Sarahsaurus" title="Sarahsaurus">Sarahsaurus</a></i></li> <li><i><a href="/wiki/Tuebingosaurus" title="Tuebingosaurus">Tuebingosaurus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Riojasauridae" title="Riojasauridae">Riojasauridae</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Eucnemesaurus" title="Eucnemesaurus">Eucnemesaurus</a></i></li> <li><i><a href="/wiki/Riojasaurus" title="Riojasaurus">Riojasaurus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Massospondylidae" title="Massospondylidae">Massospondylidae</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Adeopapposaurus" title="Adeopapposaurus">Adeopapposaurus</a></i></li> <li><i><a href="/wiki/Coloradisaurus" title="Coloradisaurus">Coloradisaurus</a></i></li> <li><i><a href="/wiki/Glacialisaurus" title="Glacialisaurus">Glacialisaurus</a></i></li> <li><i><a href="/wiki/Ignavusaurus" title="Ignavusaurus">Ignavusaurus</a></i>?</li> <li><i><a href="/wiki/Leyesaurus" title="Leyesaurus">Leyesaurus</a></i></li> <li><i><a href="/wiki/Lufengosaurus" title="Lufengosaurus">Lufengosaurus</a></i></li> <li><i><a href="/wiki/Massospondylus" title="Massospondylus">Massospondylus</a></i></li> <li><i><a href="/wiki/Ngwevu" title="Ngwevu">Ngwevu</a></i></li> <li><i><a href="/wiki/Pradhania" title="Pradhania">Pradhania</a></i></li> <li><i><a href="/wiki/Sarahsaurus" title="Sarahsaurus">Sarahsaurus</a></i></li> <li><i><a href="/wiki/Xingxiulong" title="Xingxiulong">Xingxiulong</a></i>?</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Sauropodiformes" class="mw-redirect" title="Sauropodiformes">Sauropodiformes</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Chuxiongosaurus" title="Chuxiongosaurus">Chuxiongosaurus</a></i>?</li> <li><i><a href="/wiki/Jingshanosaurus" title="Jingshanosaurus">Jingshanosaurus</a></i></li> <li><i><a href="/wiki/Lishulong" title="Lishulong">Lishulong</a></i></li> <li><i><a href="/wiki/Qianlong_shouhu" title="Qianlong shouhu">Qianlong</a></i></li> <li><i><a href="/wiki/Seitaad" title="Seitaad">Seitaad</a></i></li> <li><i><a href="/wiki/Xingxiulong" title="Xingxiulong">Xingxiulong</a></i>?</li> <li><i><a href="/wiki/Yizhousaurus" title="Yizhousaurus">Yizhousaurus</a></i></li> <li><i><a href="/wiki/Yunnanosaurus" title="Yunnanosaurus">Yunnanosaurus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Anchisauria" title="Anchisauria">Anchisauria</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Aardonyx" title="Aardonyx">Aardonyx</a></i></li> <li><i><a href="/wiki/Anchisaurus" title="Anchisaurus">Anchisaurus</a></i></li> <li><i><a href="/wiki/Camelotia" title="Camelotia">Camelotia</a></i></li> <li><i><a href="/wiki/Irisosaurus" title="Irisosaurus">Irisosaurus</a></i></li> <li><i><a href="/wiki/Lamplughsaura" title="Lamplughsaura">Lamplughsaura</a></i></li> <li><i><a href="/wiki/Leonerasaurus" title="Leonerasaurus">Leonerasaurus</a></i></li> <li><i><a href="/wiki/Melanorosaurus" title="Melanorosaurus">Melanorosaurus</a></i></li> <li><i><a href="/wiki/Meroktenos" title="Meroktenos">Meroktenos</a></i></li> <li><i><a href="/wiki/Mussaurus" title="Mussaurus">Mussaurus</a></i></li> <li><i><a href="/wiki/Pulanesaura" title="Pulanesaura">Pulanesaura</a></i></li> <li><i><a href="/wiki/Sefapanosaurus" title="Sefapanosaurus">Sefapanosaurus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Sauropoda" title="Sauropoda">Sauropoda</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><ul><li>see below↓</li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td><td class="noviewer navbox-image" rowspan="1" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/File:Buriolestes_schultzi_restoration.png" class="mw-file-description" title="Buriolestes schultzi"><img alt="Buriolestes schultzi" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d1/Buriolestes_schultzi_restoration.png/140px-Buriolestes_schultzi_restoration.png" decoding="async" width="140" height="47" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d1/Buriolestes_schultzi_restoration.png/210px-Buriolestes_schultzi_restoration.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d1/Buriolestes_schultzi_restoration.png/280px-Buriolestes_schultzi_restoration.png 2x" data-file-width="3357" data-file-height="1131" /></a></span> <p><span typeof="mw:File"><a href="/wiki/File:Pantydraco_BW.jpg" class="mw-file-description" title="Pantydraco caducus"><img alt="Pantydraco caducus" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d4/Pantydraco_BW.jpg/140px-Pantydraco_BW.jpg" decoding="async" width="140" height="64" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d4/Pantydraco_BW.jpg/210px-Pantydraco_BW.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d4/Pantydraco_BW.jpg/280px-Pantydraco_BW.jpg 2x" data-file-width="800" data-file-height="364" /></a></span> <span typeof="mw:File"><a href="/wiki/File:Massospondylus_reconstruction.png" class="mw-file-description" title="Massospondylus carinatus"><img alt="Massospondylus carinatus" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/56/Massospondylus_reconstruction.png/140px-Massospondylus_reconstruction.png" decoding="async" width="140" height="62" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/56/Massospondylus_reconstruction.png/210px-Massospondylus_reconstruction.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/56/Massospondylus_reconstruction.png/280px-Massospondylus_reconstruction.png 2x" data-file-width="1306" data-file-height="579" /></a></span> </p> <span style="display: inline-block; transform: scaleX(-1);"><span typeof="mw:File"><a href="/wiki/File:Jingshanosaurus_xinwaensis.png" class="mw-file-description" title="Jingshanosaurus xinwaensis"><img alt="Jingshanosaurus xinwaensis" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/72/Jingshanosaurus_xinwaensis.png/140px-Jingshanosaurus_xinwaensis.png" decoding="async" width="140" height="46" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/72/Jingshanosaurus_xinwaensis.png/210px-Jingshanosaurus_xinwaensis.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/72/Jingshanosaurus_xinwaensis.png/280px-Jingshanosaurus_xinwaensis.png 2x" data-file-width="1900" data-file-height="619" /></a></span></span></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><div id="Sauropoda368" style="font-size:114%;margin:0 4em"><a href="/wiki/Sauropoda" title="Sauropoda">Sauropoda</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Sauropoda301" scope="row" class="navbox-group" style="width:1%"><div style="position:absolute;-webkit-transform:translate(-50%,-50%) rotate(270deg);-moz-transform:translate(-50%,-50%) rotate(270deg);-ms-transform:translate(-50%,-50%) rotate(270deg);-o-transform:translate(-50%,-50%) rotate(270deg);transform:translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Sauropoda" title="Sauropoda">Sauropoda</a></div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Amygdalodon" title="Amygdalodon">Amygdalodon</a></i></li> <li><i><a href="/wiki/Blikanasaurus" title="Blikanasaurus">Blikanasaurus</a></i></li> <li><i><a href="/wiki/Chinshakiangosaurus" title="Chinshakiangosaurus">Chinshakiangosaurus</a></i></li> <li><i><a href="/wiki/Gongxianosaurus" title="Gongxianosaurus">Gongxianosaurus</a></i></li> <li><i><a href="/wiki/Isanosaurus" title="Isanosaurus">Isanosaurus</a></i></li> <li><i><a href="/wiki/Leonerasaurus" title="Leonerasaurus">Leonerasaurus</a></i>?</li> <li><i><a href="/wiki/Pulanesaura" title="Pulanesaura">Pulanesaura</a></i>?</li> <li><i><a href="/wiki/Protognathosaurus" title="Protognathosaurus">Protognathosaurus</a></i></li> <li><i><a href="/wiki/Schleitheimia" title="Schleitheimia">Schleitheimia</a></i></li> <li><i><a href="/wiki/Tuebingosaurus" title="Tuebingosaurus">Tuebingosaurus</a></i>?</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Lessemsauridae" title="Lessemsauridae">Lessemsauridae</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Antetonitrus" title="Antetonitrus">Antetonitrus</a></i></li> <li><i><a href="/wiki/Ingentia" title="Ingentia">Ingentia</a></i></li> <li><i><a href="/wiki/Ledumahadi" title="Ledumahadi">Ledumahadi</a></i></li> <li><i><a href="/wiki/Lessemsaurus" title="Lessemsaurus">Lessemsaurus</a></i></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><div style="position:absolute;-webkit-transform:translate(-50%,-50%) rotate(270deg);-moz-transform:translate(-50%,-50%) rotate(270deg);-ms-transform:translate(-50%,-50%) rotate(270deg);-o-transform:translate(-50%,-50%) rotate(270deg);transform:translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Gravisauria" class="mw-redirect" title="Gravisauria">Gravisauria</a></div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Archaeodontosaurus" title="Archaeodontosaurus">Archaeodontosaurus</a></i>?</li> <li><i><a href="/wiki/Kotasaurus" title="Kotasaurus">Kotasaurus</a></i></li> <li><i><a href="/wiki/Ohmdenosaurus" title="Ohmdenosaurus">Ohmdenosaurus</a></i></li> <li><i><a href="/wiki/Rhoetosaurus" title="Rhoetosaurus">Rhoetosaurus</a></i></li> <li><i><a href="/wiki/Sanpasaurus" title="Sanpasaurus">Sanpasaurus</a></i>?</li> <li><i><a href="/wiki/Zizhongosaurus" title="Zizhongosaurus">Zizhongosaurus</a></i>?</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Vulcanodontidae" title="Vulcanodontidae">Vulcanodontidae</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Tazoudasaurus" title="Tazoudasaurus">Tazoudasaurus</a></i></li> <li><i><a href="/wiki/Vulcanodon" title="Vulcanodon">Vulcanodon</a></i></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><div style="position:absolute;-webkit-transform:translate(-50%,-50%) rotate(270deg);-moz-transform:translate(-50%,-50%) rotate(270deg);-ms-transform:translate(-50%,-50%) rotate(270deg);-o-transform:translate(-50%,-50%) rotate(270deg);transform:translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Eusauropoda" title="Eusauropoda">Eusauropoda</a></div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Algoasaurus" title="Algoasaurus">Algoasaurus</a></i></li> <li><i><a href="/wiki/Asiatosaurus" title="Asiatosaurus">Asiatosaurus</a></i></li> <li><i><a href="/wiki/Bagualia" title="Bagualia">Bagualia</a></i></li> <li><i><a href="/wiki/Barapasaurus" title="Barapasaurus">Barapasaurus</a></i></li> <li><i><a href="/wiki/Bellusaurus" title="Bellusaurus">Bellusaurus</a></i></li> <li><i><a href="/wiki/Cetiosauriscus" title="Cetiosauriscus">Cetiosauriscus</a></i></li> <li><i><a href="/wiki/Dashanpusaurus" title="Dashanpusaurus">Dashanpusaurus</a></i></li> <li><i><a href="/wiki/Dystrophaeus" title="Dystrophaeus">Dystrophaeus</a></i></li> <li><i><a href="/wiki/Janenschia" title="Janenschia">Janenschia</a></i></li> <li><i><a href="/wiki/Jobaria" title="Jobaria">Jobaria</a></i></li> <li><i><a href="/wiki/Nebulasaurus" title="Nebulasaurus">Nebulasaurus</a></i></li> <li><i><a href="/wiki/Perijasaurus" title="Perijasaurus">Perijasaurus</a></i></li> <li><i><a href="/wiki/Shunosaurus" title="Shunosaurus">Shunosaurus</a></i></li> <li><i><a href="/wiki/Spinophorosaurus" title="Spinophorosaurus">Spinophorosaurus</a></i></li> <li><i><a href="/wiki/Tehuelchesaurus" title="Tehuelchesaurus">Tehuelchesaurus</a></i></li> <li><i><a href="/wiki/Volkheimeria" title="Volkheimeria">Volkheimeria</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Cetiosauridae" title="Cetiosauridae">Cetiosauridae</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Cetiosaurus" title="Cetiosaurus">Cetiosaurus</a></i></li> <li><i><a href="/wiki/Chebsaurus" title="Chebsaurus">Chebsaurus</a></i></li> <li><i><a href="/wiki/Ferganasaurus" title="Ferganasaurus">Ferganasaurus</a></i>?</li> <li><i><a href="/wiki/Lapparentosaurus" title="Lapparentosaurus">Lapparentosaurus</a></i>?</li> <li><i><a href="/wiki/Patagosaurus" title="Patagosaurus">Patagosaurus</a></i>?</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Mamenchisauridae" title="Mamenchisauridae">Mamenchisauridae</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Analong" title="Analong">Analong</a></i></li> <li><i><a href="/wiki/Anhuilong" title="Anhuilong">Anhuilong</a></i></li> <li><i><a href="/wiki/Cetiosauriscus" title="Cetiosauriscus">Cetiosauriscus</a></i>?</li> <li><i><a href="/wiki/Chuanjiesaurus" title="Chuanjiesaurus">Chuanjiesaurus</a></i></li> <li><i><a href="/wiki/Datousaurus" title="Datousaurus">Datousaurus</a></i>?</li> <li><i><a href="/wiki/Eomamenchisaurus" title="Eomamenchisaurus">Eomamenchisaurus</a></i></li> <li><i><a href="/wiki/Huangshanlong" title="Huangshanlong">Huangshanlong</a></i></li> <li><i><a href="/wiki/Hudiesaurus" title="Hudiesaurus">Hudiesaurus</a></i></li> <li><i><a href="/wiki/Jingiella" title="Jingiella">Jingiella</a></i></li> <li><i><a href="/wiki/Klamelisaurus" title="Klamelisaurus">Klamelisaurus</a></i>?</li> <li><i><a href="/wiki/Mamenchisaurus" title="Mamenchisaurus">Mamenchisaurus</a></i></li> <li><i><a href="/wiki/Omeisaurus" title="Omeisaurus">Omeisaurus</a></i></li> <li><i><a href="/wiki/Qijianglong" title="Qijianglong">Qijianglong</a></i></li> <li><i><a href="/wiki/Rhomaleopakhus" title="Rhomaleopakhus">Rhomaleopakhus</a></i></li> <li><i><a href="/wiki/Tienshanosaurus" title="Tienshanosaurus">Tienshanosaurus</a></i></li> <li><i><a href="/wiki/Tonganosaurus" title="Tonganosaurus">Tonganosaurus</a></i></li> <li><i><a href="/wiki/Wamweracaudia" title="Wamweracaudia">Wamweracaudia</a></i></li> <li><i><a href="/wiki/Xinjiangtitan" title="Xinjiangtitan">Xinjiangtitan</a></i></li> <li><i><a href="/wiki/Yuanmousaurus" title="Yuanmousaurus">Yuanmousaurus</a></i></li> <li><i><a href="/wiki/Zigongosaurus" title="Zigongosaurus">Zigongosaurus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Turiasauria" title="Turiasauria">Turiasauria</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Amanzia" title="Amanzia">Amanzia</a></i></li> <li><i><a href="/wiki/Bellusaurus" title="Bellusaurus">Bellusaurus</a></i>?</li> <li><i><a href="/wiki/Haestasaurus" title="Haestasaurus">Haestasaurus</a></i>?</li> <li><i><a href="/wiki/Janenschia" title="Janenschia">Janenschia</a></i>?</li> <li><i><a href="/wiki/Losillasaurus" title="Losillasaurus">Losillasaurus</a></i></li> <li><i><a href="/wiki/Mierasaurus" title="Mierasaurus">Mierasaurus</a></i></li> <li><i><a href="/wiki/Moabosaurus" title="Moabosaurus">Moabosaurus</a></i></li> <li><i><a href="/wiki/Narindasaurus" title="Narindasaurus">Narindasaurus</a></i></li> <li><i><a href="/wiki/Oplosaurus" title="Oplosaurus">Oplosaurus</a></i>?</li> <li><i><a href="/wiki/Tehuelchesaurus" title="Tehuelchesaurus">Tehuelchesaurus</a></i>?</li> <li><i><a href="/wiki/Tendaguria" title="Tendaguria">Tendaguria</a></i></li> <li><i><a href="/wiki/Turiasaurus" title="Turiasaurus">Turiasaurus</a></i></li> <li><i><a href="/wiki/Zby" title="Zby">Zby</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Neosauropoda" title="Neosauropoda">Neosauropoda</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Diplodocoidea" title="Diplodocoidea">Diplodocoidea</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>(see below ↓ )</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Macronaria" title="Macronaria">Macronaria</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>(see below ↓ )</li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Dubious_sauropods17" scope="row" class="navbox-group" style="width:1%">Dubious sauropods</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Bothriospondylus" title="Bothriospondylus">Bothriospondylus</a></i></li> <li><i><a href="/wiki/Cardiodon" title="Cardiodon">Cardiodon</a></i></li> <li><i><a href="/wiki/Dinodocus" title="Dinodocus">Dinodocus</a></i></li> <li><i><a href="/wiki/Gigantosaurus" title="Gigantosaurus">Gigantosaurus</a></i></li> <li><i><a href="/wiki/Neosodon" title="Neosodon">Neosodon</a></i></li> <li><i><a href="/wiki/Qinlingosaurus" title="Qinlingosaurus">Qinlingosaurus</a></i></li> <li><i><a href="/wiki/Ultrasaurus" title="Ultrasaurus">Ultrasaurus</a></i></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td><td class="noviewer navbox-image" rowspan="1" style="width:1px;padding:0 0 0 2px"><div><span style="display: inline-block; transform: scaleX(-1);"><span typeof="mw:File"><a href="/wiki/File:Vulcanodon_NT.jpg" class="mw-file-description" title="Vulcanodon karibaensis"><img alt="Vulcanodon karibaensis" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d0/Vulcanodon_NT.jpg/140px-Vulcanodon_NT.jpg" decoding="async" width="140" height="52" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d0/Vulcanodon_NT.jpg/210px-Vulcanodon_NT.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d0/Vulcanodon_NT.jpg/280px-Vulcanodon_NT.jpg 2x" data-file-width="600" data-file-height="224" /></a></span></span> <p><span style="display: inline-block; transform: scaleX(-1);"><span typeof="mw:File"><a href="/wiki/File:Barapasaurus_DB.jpg" class="mw-file-description" title="Barapasaurus tagorei"><img alt="Barapasaurus tagorei" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/13/Barapasaurus_DB.jpg/140px-Barapasaurus_DB.jpg" decoding="async" width="140" height="63" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/13/Barapasaurus_DB.jpg/210px-Barapasaurus_DB.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/13/Barapasaurus_DB.jpg/280px-Barapasaurus_DB.jpg 2x" data-file-width="1553" data-file-height="694" /></a></span></span> <span typeof="mw:File"><a href="/wiki/File:Patagosaurus.jpg" class="mw-file-description" title="Patagosaurus fariasi"><img alt="Patagosaurus fariasi" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/ac/Patagosaurus.jpg/140px-Patagosaurus.jpg" decoding="async" width="140" height="52" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/ac/Patagosaurus.jpg/210px-Patagosaurus.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/ac/Patagosaurus.jpg/280px-Patagosaurus.jpg 2x" data-file-width="2257" data-file-height="845" /></a></span> </p> <span typeof="mw:File"><a href="/wiki/File:Turiasaurus1.jpg" class="mw-file-description" title="Turiasaurus riodevnesis"><img alt="Turiasaurus riodevnesis" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/ae/Turiasaurus1.jpg/140px-Turiasaurus1.jpg" decoding="async" width="140" height="70" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/ae/Turiasaurus1.jpg/210px-Turiasaurus1.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/ae/Turiasaurus1.jpg/280px-Turiasaurus1.jpg 2x" data-file-width="2507" data-file-height="1261" /></a></span></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible uncollapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><div id="Diplodocoidea368" style="font-size:114%;margin:0 4em"><a href="/wiki/Diplodocoidea" title="Diplodocoidea">Diplodocoidea</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Diplodocoidea305" scope="row" class="navbox-group" style="width:1%"><div style="position:absolute;-webkit-transform:translate(-50%,-50%) rotate(270deg);-moz-transform:translate(-50%,-50%) rotate(270deg);-ms-transform:translate(-50%,-50%) rotate(270deg);-o-transform:translate(-50%,-50%) rotate(270deg);transform:translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Diplodocoidea" title="Diplodocoidea">Diplodocoidea</a></div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a class="mw-selflink selflink">Haplocanthosaurus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><div style="position:absolute;-webkit-transform:translate(-50%,-50%) rotate(270deg);-moz-transform:translate(-50%,-50%) rotate(270deg);-ms-transform:translate(-50%,-50%) rotate(270deg);-o-transform:translate(-50%,-50%) rotate(270deg);transform:translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Diplodocimorpha" class="mw-redirect" title="Diplodocimorpha">Diplodocimorpha</a></div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Rebbachisauridae" title="Rebbachisauridae">Rebbachisauridae</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Agustinia" title="Agustinia">Agustinia</a></i></li> <li><i><a href="/wiki/Amazonsaurus" title="Amazonsaurus">Amazonsaurus</a></i></li> <li><i><a href="/wiki/Campananeyen" title="Campananeyen">Campananeyen</a></i></li> <li><i><a href="/wiki/Comahuesaurus" title="Comahuesaurus">Comahuesaurus</a></i></li> <li><i><a href="/wiki/Dzharatitanis" title="Dzharatitanis">Dzharatitanis</a></i>?</li> <li><i><a href="/wiki/Histriasaurus" title="Histriasaurus">Histriasaurus</a></i></li> <li><i><a href="/wiki/Lavocatisaurus" title="Lavocatisaurus">Lavocatisaurus</a></i></li> <li><i><a href="/wiki/Maraapunisaurus" title="Maraapunisaurus">Maraapunisaurus</a></i>?</li> <li><i><a href="/wiki/Nopcsaspondylus" title="Nopcsaspondylus">Nopcsaspondylus</a></i></li> <li><i><a href="/wiki/Sidersaura" title="Sidersaura">Sidersaura</a></i></li> <li><i><a href="/wiki/Xenoposeidon" title="Xenoposeidon">Xenoposeidon</a></i></li> <li><i><a href="/wiki/Zapalasaurus" title="Zapalasaurus">Zapalasaurus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Khebbashia" class="mw-redirect" title="Khebbashia">Khebbashia</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Limaysaurinae" class="mw-redirect" title="Limaysaurinae">Limaysaurinae</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Cathartesaura" title="Cathartesaura">Cathartesaura</a></i></li> <li><i><a href="/wiki/Limaysaurus" title="Limaysaurus">Limaysaurus</a></i></li> <li><i><a href="/wiki/Rayososaurus" title="Rayososaurus">Rayososaurus</a></i>?</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Rebbachisaurinae" class="mw-redirect" title="Rebbachisaurinae">Rebbachisaurinae</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Demandasaurus" title="Demandasaurus">Demandasaurus</a></i></li> <li><i><a href="/wiki/Itapeuasaurus" title="Itapeuasaurus">Itapeuasaurus</a></i></li> <li><i><a href="/wiki/Katepensaurus" title="Katepensaurus">Katepensaurus</a></i></li> <li><i><a href="/wiki/Nigersaurus" title="Nigersaurus">Nigersaurus</a></i></li> <li><i><a href="/wiki/Rebbachisaurus" title="Rebbachisaurus">Rebbachisaurus</a></i></li> <li><i><a href="/wiki/Tataouinea" title="Tataouinea">Tataouinea</a></i></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Flagellicaudata" class="mw-redirect" title="Flagellicaudata">Flagellicaudata</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Dicraeosauridae" title="Dicraeosauridae">Dicraeosauridae</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Amargasaurus" title="Amargasaurus">Amargasaurus</a></i></li> <li><i><a href="/wiki/Amargatitanis" title="Amargatitanis">Amargatitanis</a></i></li> <li><i><a href="/wiki/Bajadasaurus" title="Bajadasaurus">Bajadasaurus</a></i></li> <li><i><a href="/wiki/Brachytrachelopan" title="Brachytrachelopan">Brachytrachelopan</a></i></li> <li><i><a href="/wiki/Dicraeosaurus" title="Dicraeosaurus">Dicraeosaurus</a></i></li> <li><i><a href="/wiki/Dyslocosaurus" title="Dyslocosaurus">Dyslocosaurus</a></i>?</li> <li><i><a href="/wiki/Kaatedocus" title="Kaatedocus">Kaatedocus</a></i></li> <li><i><a href="/wiki/Lingwulong" title="Lingwulong">Lingwulong</a></i></li> <li><i><a href="/wiki/Pilmatueia" title="Pilmatueia">Pilmatueia</a></i></li> <li><i><a href="/wiki/Smitanosaurus" title="Smitanosaurus">Smitanosaurus</a></i></li> <li><i><a href="/wiki/Suuwassea" title="Suuwassea">Suuwassea</a></i></li> <li><i><a href="/wiki/Tharosaurus" title="Tharosaurus">Tharosaurus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Diplodocidae" title="Diplodocidae">Diplodocidae</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Apatosaurinae" title="Apatosaurinae">Apatosaurinae</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Amphicoelias" title="Amphicoelias">Amphicoelias</a></i>?</li> <li><i><a href="/wiki/Apatosaurus" title="Apatosaurus">Apatosaurus</a></i></li> <li><i><a href="/wiki/Atlantosaurus" title="Atlantosaurus">Atlantosaurus</a></i>?</li> <li><i><a href="/wiki/Brontosaurus" title="Brontosaurus">Brontosaurus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Diplodocinae" title="Diplodocinae">Diplodocinae</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Ardetosaurus" title="Ardetosaurus">Ardetosaurus</a></i></li> <li><i><a href="/wiki/Barosaurus" title="Barosaurus">Barosaurus</a></i></li> <li><i><a href="/wiki/Dinheirosaurus" title="Dinheirosaurus">Dinheirosaurus</a></i></li> <li><i><a href="/wiki/Diplodocus" title="Diplodocus">Diplodocus</a></i></li> <li><i><a href="/wiki/Galeamopus" title="Galeamopus">Galeamopus</a></i></li> <li><i><a href="/wiki/Kaatedocus" title="Kaatedocus">Kaatedocus</a></i>?</li> <li><i><a href="/wiki/Leinkupal" title="Leinkupal">Leinkupal</a></i></li> <li><i><a href="/wiki/Supersaurus" title="Supersaurus">Supersaurus</a></i></li> <li><i><a href="/wiki/Tornieria" title="Tornieria">Tornieria</a></i></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td><td class="noviewer navbox-image" rowspan="1" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/File:Dicraeosaurus_hansemanni22.jpg" class="mw-file-description" title="Dicraeosaurus hansemanni"><img alt="Dicraeosaurus hansemanni" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/97/Dicraeosaurus_hansemanni22.jpg/140px-Dicraeosaurus_hansemanni22.jpg" decoding="async" width="140" height="44" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/97/Dicraeosaurus_hansemanni22.jpg/210px-Dicraeosaurus_hansemanni22.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/97/Dicraeosaurus_hansemanni22.jpg/280px-Dicraeosaurus_hansemanni22.jpg 2x" data-file-width="2269" data-file-height="718" /></a></span> <span typeof="mw:File"><a href="/wiki/File:Diplodocus_carnegii.jpg" class="mw-file-description" title="Diplodocus carnegii"><img alt="Diplodocus carnegii" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/08/Diplodocus_carnegii.jpg/140px-Diplodocus_carnegii.jpg" decoding="async" width="140" height="67" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/08/Diplodocus_carnegii.jpg/210px-Diplodocus_carnegii.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/08/Diplodocus_carnegii.jpg/280px-Diplodocus_carnegii.jpg 2x" data-file-width="5362" data-file-height="2578" /></a></span></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><div id="Macronaria368" style="font-size:114%;margin:0 4em"><a href="/wiki/Macronaria" title="Macronaria">Macronaria</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Macronaria302" scope="row" class="navbox-group" style="width:1%"><div style="position:absolute;-webkit-transform:translate(-50%,-50%) rotate(270deg);-moz-transform:translate(-50%,-50%) rotate(270deg);-ms-transform:translate(-50%,-50%) rotate(270deg);-o-transform:translate(-50%,-50%) rotate(270deg);transform:translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Macronaria" title="Macronaria">Macronaria</a></div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Abrosaurus" title="Abrosaurus">Abrosaurus</a></i></li> <li><i><a href="/wiki/Aragosaurus" title="Aragosaurus">Aragosaurus</a></i></li> <li><i><a href="/wiki/Bashunosaurus" title="Bashunosaurus">Bashunosaurus</a></i>?</li> <li><i><a href="/wiki/Daanosaurus" title="Daanosaurus">Daanosaurus</a></i></li> <li><i><a href="/wiki/Dashanpusaurus" title="Dashanpusaurus">Dashanpusaurus</a></i>?</li> <li><i><a href="/wiki/Europasaurus" title="Europasaurus">Europasaurus</a></i></li> <li><i><a href="/wiki/Haestasaurus" title="Haestasaurus">Haestasaurus</a></i>?</li> <li><i><a href="/wiki/Yuzhoulong" title="Yuzhoulong">Yuzhoulong</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Camarasauridae" title="Camarasauridae">Camarasauridae</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Camarasaurus" title="Camarasaurus">Camarasaurus</a></i></li> <li><i><a href="/wiki/Lourinhasaurus" title="Lourinhasaurus">Lourinhasaurus</a></i></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><div style="position:absolute;-webkit-transform:translate(-50%,-50%) rotate(270deg);-moz-transform:translate(-50%,-50%) rotate(270deg);-ms-transform:translate(-50%,-50%) rotate(270deg);-o-transform:translate(-50%,-50%) rotate(270deg);transform:translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Titanosauriformes" class="mw-redirect" title="Titanosauriformes">Titanosauriformes</a></div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Astrodon" title="Astrodon">Astrodon</a></i></li> <li><i><a href="/wiki/Duriatitan" title="Duriatitan">Duriatitan</a></i></li> <li><i><a href="/wiki/Eucamerotus" title="Eucamerotus">Eucamerotus</a></i></li> <li><i><a href="/wiki/Fushanosaurus" title="Fushanosaurus">Fushanosaurus</a></i></li> <li><i><a href="/wiki/Fusuisaurus" title="Fusuisaurus">Fusuisaurus</a></i></li> <li><i><a href="/wiki/Ornithopsis" title="Ornithopsis">Ornithopsis</a></i></li> <li><i><a href="/wiki/Pelorosaurus" title="Pelorosaurus">Pelorosaurus</a></i></li> <li><i><a href="/wiki/Rugocaudia" title="Rugocaudia">Rugocaudia</a></i>?</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Brachiosauridae" title="Brachiosauridae">Brachiosauridae</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Abydosaurus" title="Abydosaurus">Abydosaurus</a></i></li> <li><i><a href="/wiki/Atlasaurus" title="Atlasaurus">Atlasaurus</a></i></li> <li><i><a href="/wiki/Brachiosaurus" title="Brachiosaurus">Brachiosaurus</a></i></li> <li><i><a href="/wiki/Cedarosaurus" title="Cedarosaurus">Cedarosaurus</a></i></li> <li><i><a href="/wiki/Galvesaurus" title="Galvesaurus">Galvesaurus</a></i>?</li> <li><i><a href="/wiki/Giraffatitan" title="Giraffatitan">Giraffatitan</a></i></li> <li><i><a href="/wiki/Lusotitan" title="Lusotitan">Lusotitan</a></i></li> <li><i><a href="/wiki/Sonorasaurus" title="Sonorasaurus">Sonorasaurus</a></i></li> <li><i><a href="/wiki/Soriatitan" title="Soriatitan">Soriatitan</a></i></li> <li><i><a href="/wiki/Venenosaurus" title="Venenosaurus">Venenosaurus</a></i></li> <li><i><a href="/wiki/Vouivria" title="Vouivria">Vouivria</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Somphospondyli" title="Somphospondyli">Somphospondyli</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Angolatitan" title="Angolatitan">Angolatitan</a></i></li> <li><i><a href="/wiki/Arkharavia" title="Arkharavia">Arkharavia</a></i></li> <li><i><a href="/wiki/Astrophocaudia" title="Astrophocaudia">Astrophocaudia</a></i></li> <li><i><a href="/wiki/Austrosaurus" title="Austrosaurus">Austrosaurus</a></i></li> <li><i><a href="/wiki/Brontomerus" title="Brontomerus">Brontomerus</a></i></li> <li><i><a href="/wiki/Chubutisaurus" title="Chubutisaurus">Chubutisaurus</a></i></li> <li><i><a href="/wiki/Dongbeititan" title="Dongbeititan">Dongbeititan</a></i></li> <li><i><a href="/wiki/Europatitan" title="Europatitan">Europatitan</a></i></li> <li><i><a href="/wiki/Fukuititan" title="Fukuititan">Fukuititan</a></i></li> <li><i><a href="/wiki/Garumbatitan" title="Garumbatitan">Garumbatitan</a></i></li> <li><i><a href="/wiki/Jiangxititan" title="Jiangxititan">Jiangxititan</a></i>?</li> <li><i><a href="/wiki/Jiutaisaurus" title="Jiutaisaurus">Jiutaisaurus</a></i></li> <li><i><a href="/wiki/Liaoningotitan" title="Liaoningotitan">Liaoningotitan</a></i></li> <li><i><a href="/wiki/Ligabuesaurus" title="Ligabuesaurus">Ligabuesaurus</a></i>?</li> <li><i><a href="/wiki/Liubangosaurus" title="Liubangosaurus">Liubangosaurus</a></i></li> <li><i><a href="/wiki/Oceanotitan" title="Oceanotitan">Oceanotitan</a></i></li> <li><i><a href="/wiki/Padillasaurus" title="Padillasaurus">Padillasaurus</a></i></li> <li><i><a href="/wiki/Pukyongosaurus" title="Pukyongosaurus">Pukyongosaurus</a></i></li> <li><i><a href="/wiki/Ruixinia" title="Ruixinia">Ruixinia</a></i></li> <li><i><a href="/wiki/Sauroposeidon" title="Sauroposeidon">Sauroposeidon</a></i></li> <li><i><a href="/wiki/Sibirotitan" title="Sibirotitan">Sibirotitan</a></i></li> <li><i><a href="/wiki/Tastavinsaurus" title="Tastavinsaurus">Tastavinsaurus</a></i></li> <li><i><a href="/wiki/Triunfosaurus" title="Triunfosaurus">Triunfosaurus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Euhelopodidae" title="Euhelopodidae">Euhelopodidae</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Australodocus" title="Australodocus">Australodocus</a></i>?</li> <li><i><a href="/wiki/Chiayusaurus" title="Chiayusaurus">Chiayusaurus</a></i>?</li> <li><i><a href="/wiki/Erketu" title="Erketu">Erketu</a></i></li> <li><i><a href="/wiki/Euhelopus" title="Euhelopus">Euhelopus</a></i></li> <li><i><a href="/wiki/Gannansaurus" title="Gannansaurus">Gannansaurus</a></i></li> <li><i><a href="/wiki/Gobititan" title="Gobititan">Gobititan</a></i></li> <li><i><a href="/wiki/Huabeisaurus" title="Huabeisaurus">Huabeisaurus</a></i></li> <li><i><a href="/wiki/Huanghetitan" title="Huanghetitan">Huanghetitan</a></i></li> <li><i><a href="/wiki/Jiangshanosaurus" title="Jiangshanosaurus">Jiangshanosaurus</a></i>?</li> <li><i><a href="/wiki/Phuwiangosaurus" title="Phuwiangosaurus">Phuwiangosaurus</a></i></li> <li><i><a href="/wiki/Qiaowanlong" title="Qiaowanlong">Qiaowanlong</a></i></li> <li><i><a href="/wiki/Silutitan" title="Silutitan">Silutitan</a></i></li> <li><i><a href="/wiki/Tambatitanis" title="Tambatitanis">Tambatitanis</a></i></li> <li><i><a href="/wiki/Tangvayosaurus" title="Tangvayosaurus">Tangvayosaurus</a></i></li> <li><i><a href="/wiki/Yongjinglong" title="Yongjinglong">Yongjinglong</a></i></li> <li><i><a href="/wiki/Yunmenglong" title="Yunmenglong">Yunmenglong</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Diamantinasauria" title="Diamantinasauria">Diamantinasauria</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Australotitan" title="Australotitan">Australotitan</a></i></li> <li><i><a href="/wiki/Diamantinasaurus" title="Diamantinasaurus">Diamantinasaurus</a></i></li> <li><i><a href="/wiki/Sarmientosaurus" title="Sarmientosaurus">Sarmientosaurus</a></i></li> <li><i><a href="/wiki/Savannasaurus" title="Savannasaurus">Savannasaurus</a></i></li> <li><i><a href="/wiki/Wintonotitan" title="Wintonotitan">Wintonotitan</a></i>?</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Titanosauria" title="Titanosauria">Titanosauria</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><ul><li>see below↓</li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td><td class="noviewer navbox-image" rowspan="1" style="width:1px;padding:0 0 0 2px"><div><span style="display: inline-block; transform: scaleX(-1);"><span typeof="mw:File"><a href="/wiki/File:Pelorosaurus2.jpg" class="mw-file-description" title="Pelorosaurus brevis"><img alt="Pelorosaurus brevis" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/27/Pelorosaurus2.jpg/140px-Pelorosaurus2.jpg" decoding="async" width="140" height="88" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/27/Pelorosaurus2.jpg/210px-Pelorosaurus2.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/27/Pelorosaurus2.jpg/280px-Pelorosaurus2.jpg 2x" data-file-width="5904" data-file-height="3712" /></a></span></span> <p><span style="display: inline-block; transform: scaleX(-1);"><span typeof="mw:File"><a href="/wiki/File:Sauroposeidon_proteles.jpg" class="mw-file-description" title="Sauroposeidon proteles"><img alt="Sauroposeidon proteles" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a6/Sauroposeidon_proteles.jpg/140px-Sauroposeidon_proteles.jpg" decoding="async" width="140" height="90" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a6/Sauroposeidon_proteles.jpg/210px-Sauroposeidon_proteles.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a6/Sauroposeidon_proteles.jpg/280px-Sauroposeidon_proteles.jpg 2x" data-file-width="3088" data-file-height="1976" /></a></span></span> </p> <span style="display: inline-block; transform: scaleX(-1);"><span typeof="mw:File"><a href="/wiki/File:Wintonotitan.png" class="mw-file-description" title="Wintonotitan wattsi"><img alt="Wintonotitan wattsi" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e0/Wintonotitan.png/140px-Wintonotitan.png" decoding="async" width="140" height="43" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e0/Wintonotitan.png/210px-Wintonotitan.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e0/Wintonotitan.png/280px-Wintonotitan.png 2x" data-file-width="2773" data-file-height="861" /></a></span></span></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><div id="Titanosauria368" style="font-size:114%;margin:0 4em"><a href="/wiki/Titanosauria" title="Titanosauria">Titanosauria</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Titanosauria304" scope="row" class="navbox-group" style="width:1%"><div style="position:absolute;-webkit-transform:translate(-50%,-50%) rotate(270deg);-moz-transform:translate(-50%,-50%) rotate(270deg);-ms-transform:translate(-50%,-50%) rotate(270deg);-o-transform:translate(-50%,-50%) rotate(270deg);transform:translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Titanosauria" title="Titanosauria">Titanosauria</a></div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Abdarainurus" title="Abdarainurus">Abdarainurus</a></i></li> <li><i><a href="/wiki/Aegyptosaurus" title="Aegyptosaurus">Aegyptosaurus</a></i>?</li> <li><i><a href="/wiki/Andesaurus" title="Andesaurus">Andesaurus</a></i></li> <li><i><a href="/wiki/Angolatitan" title="Angolatitan">Angolatitan</a></i>?</li> <li><i><a href="/wiki/Arackar" title="Arackar">Arackar</a></i></li> <li><i><a href="/wiki/Argyrosaurus" title="Argyrosaurus">Argyrosaurus</a></i></li> <li><i><a href="/wiki/Atacamatitan" title="Atacamatitan">Atacamatitan</a></i></li> <li><i><a href="/wiki/Austroposeidon" title="Austroposeidon">Austroposeidon</a></i></li> <li><i><a href="/wiki/Baotianmansaurus" title="Baotianmansaurus">Baotianmansaurus</a></i></li> <li><i><a href="/wiki/Barrosasaurus" title="Barrosasaurus">Barrosasaurus</a></i></li> <li><i><a href="/wiki/Baurutitan" title="Baurutitan">Baurutitan</a></i>?</li> <li><i><a href="/wiki/Bonatitan" title="Bonatitan">Bonatitan</a></i>?</li> <li><i><a href="/wiki/Borealosaurus" title="Borealosaurus">Borealosaurus</a></i></li> <li><i><a href="/wiki/Brasilotitan" title="Brasilotitan">Brasilotitan</a></i></li> <li><i><a href="/wiki/Choconsaurus" title="Choconsaurus">Choconsaurus</a></i></li> <li><i><a href="/wiki/Daxiatitan" title="Daxiatitan">Daxiatitan</a></i></li> <li><i><a href="/wiki/Dongyangosaurus" title="Dongyangosaurus">Dongyangosaurus</a></i></li> <li><i><a href="/wiki/Dreadnoughtus" title="Dreadnoughtus">Dreadnoughtus</a></i>?</li> <li><i><a href="/wiki/Elaltitan" title="Elaltitan">Elaltitan</a></i></li> <li><i><a href="/wiki/Epachthosaurus" title="Epachthosaurus">Epachthosaurus</a></i>?</li> <li><i><a href="/wiki/Gandititan" title="Gandititan">Gandititan</a></i></li> <li><i><a href="/wiki/Hamititan" title="Hamititan">Hamititan</a></i></li> <li><i><a href="/wiki/Huabeisaurus" title="Huabeisaurus">Huabeisaurus</a></i></li> <li><i><a href="/wiki/Jiangshanosaurus" title="Jiangshanosaurus">Jiangshanosaurus</a></i>?</li> <li><i><a href="/wiki/Kaijutitan" title="Kaijutitan">Kaijutitan</a></i></li> <li><i><a href="/wiki/Karongasaurus" title="Karongasaurus">Karongasaurus</a></i></li> <li><i><a href="/wiki/Laplatasaurus" title="Laplatasaurus">Laplatasaurus</a></i></li> <li><i><a href="/wiki/Ligabuesaurus" title="Ligabuesaurus">Ligabuesaurus</a></i>?</li> <li><i><a href="/wiki/Magyarosaurus" title="Magyarosaurus">Magyarosaurus</a></i></li> <li><i><a href="/wiki/Malarguesaurus" title="Malarguesaurus">Malarguesaurus</a></i>?</li> <li><i><a href="/wiki/Malawisaurus" title="Malawisaurus">Malawisaurus</a></i></li> <li><i><a href="/wiki/Mnyamawamtuka" title="Mnyamawamtuka">Mnyamawamtuka</a></i></li> <li><i><a href="/wiki/Narambuenatitan" title="Narambuenatitan">Narambuenatitan</a></i></li> <li><i><a href="/wiki/Ninjatitan" title="Ninjatitan">Ninjatitan</a></i></li> <li><i><a href="/wiki/Normanniasaurus" title="Normanniasaurus">Normanniasaurus</a></i></li> <li><i><a href="/wiki/Nullotitan" title="Nullotitan">Nullotitan</a></i></li> <li><i><a href="/wiki/Pellegrinisaurus" title="Pellegrinisaurus">Pellegrinisaurus</a></i>?</li> <li><i><a href="/wiki/Petrobrasaurus" title="Petrobrasaurus">Petrobrasaurus</a></i></li> <li><i><a href="/wiki/Petrustitan" title="Petrustitan">Petrustitan</a></i></li> <li><i><a href="/wiki/Pitekunsaurus" title="Pitekunsaurus">Pitekunsaurus</a></i></li> <li><i><a href="/wiki/Rapetosaurus" title="Rapetosaurus">Rapetosaurus</a></i></li> <li><i><a href="/wiki/Rukwatitan" title="Rukwatitan">Rukwatitan</a></i></li> <li><i><a href="/wiki/Ruyangosaurus" title="Ruyangosaurus">Ruyangosaurus</a></i></li> <li><i><a href="/wiki/Tastavinsaurus" title="Tastavinsaurus">Tastavinsaurus</a></i>?</li> <li><i><a href="/wiki/Tengrisaurus" title="Tengrisaurus">Tengrisaurus</a></i>?</li> <li><i><a href="/wiki/Tiamat_valdecii" title="Tiamat valdecii">Tiamat</a></i></li> <li><i><a href="/wiki/Traukutitan" title="Traukutitan">Traukutitan</a></i></li> <li><i><a href="/wiki/Trigonosaurus" title="Trigonosaurus">Trigonosaurus</a></i></li> <li><i><a href="/wiki/Sonidosaurus" title="Sonidosaurus">Sonidosaurus</a></i></li> <li><i><a href="/wiki/Uberabatitan" title="Uberabatitan">Uberabatitan</a></i></li> <li><i><a href="/wiki/Uriash" title="Uriash">Uriash</a></i></li> <li><i><a href="/wiki/Volgatitan" title="Volgatitan">Volgatitan</a></i></li> <li><i><a href="/wiki/Xianshanosaurus" title="Xianshanosaurus">Xianshanosaurus</a></i></li> <li><b><a href="/wiki/Diamantinasauria" title="Diamantinasauria">Diamantinasauria</a></b>?</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Lirainosaurinae" title="Lirainosaurinae">Lirainosaurinae</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Ampelosaurus" title="Ampelosaurus">Ampelosaurus</a></i></li> <li><i><a href="/wiki/Atsinganosaurus" title="Atsinganosaurus">Atsinganosaurus</a></i></li> <li><i><a href="/wiki/Garrigatitan" title="Garrigatitan">Garrigatitan</a></i></li> <li><i><a href="/wiki/Lirainosaurus" title="Lirainosaurus">Lirainosaurus</a></i></li> <li><i><a href="/wiki/Lohuecotitan" title="Lohuecotitan">Lohuecotitan</a></i></li> <li><i><a href="/wiki/Mansourasaurus" title="Mansourasaurus">Mansourasaurus</a></i></li> <li><i><a href="/wiki/Paludititan" title="Paludititan">Paludititan</a></i></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><div style="position:absolute;-webkit-transform:translate(-50%,-50%) rotate(270deg);-moz-transform:translate(-50%,-50%) rotate(270deg);-ms-transform:translate(-50%,-50%) rotate(270deg);-o-transform:translate(-50%,-50%) rotate(270deg);transform:translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Eutitanosauria" title="Eutitanosauria">Eutitanosauria</a></div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Inawentu" title="Inawentu">Inawentu</a></i></li> <li><i><a href="/wiki/Menucocelsior" title="Menucocelsior">Menucocelsior</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Colossosauria" title="Colossosauria">Colossosauria</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Antarctosaurus" title="Antarctosaurus">Antarctosaurus</a></i></li> <li><i><a href="/wiki/Baalsaurus" title="Baalsaurus">Baalsaurus</a></i></li> <li><i><a href="/wiki/Bonitasaura" title="Bonitasaura">Bonitasaura</a></i></li> <li><i><a href="/wiki/Chucarosaurus" title="Chucarosaurus">Chucarosaurus</a></i></li> <li><i><a href="/wiki/Epachthosaurus" title="Epachthosaurus">Epachthosaurus</a></i>?</li> <li><i><a href="/wiki/Jainosaurus" title="Jainosaurus">Jainosaurus</a></i></li> <li><i><a href="/wiki/Quetecsaurus" title="Quetecsaurus">Quetecsaurus</a></i></li> <li><i><a href="/wiki/Tengrisaurus" title="Tengrisaurus">Tengrisaurus</a></i>?</li> <li><i><a href="/wiki/Vahiny" title="Vahiny">Vahiny</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Rinconsauria" title="Rinconsauria">Rinconsauria</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Adamantisaurus" title="Adamantisaurus">Adamantisaurus</a></i></li> <li><i><a href="/wiki/Maxakalisaurus" title="Maxakalisaurus">Maxakalisaurus</a></i>?</li> <li><i><a href="/wiki/Muyelensaurus" title="Muyelensaurus">Muyelensaurus</a></i></li> <li><i><a href="/wiki/Overosaurus" title="Overosaurus">Overosaurus</a></i></li> <li><i><a href="/wiki/Panamericansaurus" title="Panamericansaurus">Panamericansaurus</a></i></li> <li><i><a href="/wiki/Rinconsaurus" title="Rinconsaurus">Rinconsaurus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Aeolosaurini" title="Aeolosaurini">Aeolosaurini</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Aeolosaurus" title="Aeolosaurus">Aeolosaurus</a></i></li> <li><i><a href="/wiki/Arrudatitan" title="Arrudatitan">Arrudatitan</a></i></li> <li><i><a href="/wiki/Bravasaurus" title="Bravasaurus">Bravasaurus</a></i></li> <li><i><a href="/wiki/Caieiria" title="Caieiria">Caieiria</a></i></li> <li><i><a href="/wiki/Gondwanatitan" title="Gondwanatitan">Gondwanatitan</a></i></li> <li><i><a href="/wiki/Punatitan" title="Punatitan">Punatitan</a></i></li> <li><i><a href="/wiki/Shingopana" title="Shingopana">Shingopana</a></i></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Lognkosauria" title="Lognkosauria">Lognkosauria</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Argentinosaurus" title="Argentinosaurus">Argentinosaurus</a></i></li> <li><i><a href="/wiki/Drusilasaura" title="Drusilasaura">Drusilasaura</a></i></li> <li><i><a href="/wiki/Dzharatitanis" title="Dzharatitanis">Dzharatitanis</a></i>?</li> <li><i><a href="/wiki/Futalognkosaurus" title="Futalognkosaurus">Futalognkosaurus</a></i></li> <li><i><a href="/wiki/Jiangxititan" title="Jiangxititan">Jiangxititan</a></i>?</li> <li><i><a href="/wiki/Mendozasaurus" title="Mendozasaurus">Mendozasaurus</a></i></li> <li><i><a href="/wiki/Notocolossus" title="Notocolossus">Notocolossus</a></i></li> <li><i><a href="/wiki/Patagotitan" title="Patagotitan">Patagotitan</a></i></li> <li><i><a href="/wiki/Puertasaurus" title="Puertasaurus">Puertasaurus</a></i></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Saltasauroidea" title="Saltasauroidea">Saltasauroidea</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Bustingorrytitan" title="Bustingorrytitan">Bustingorrytitan</a></i></li> <li><i><a href="/wiki/Titanomachya" title="Titanomachya">Titanomachya</a></i></li> <li><i><a href="/wiki/Udelartitan" title="Udelartitan">Udelartitan</a></i></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Nemegtosauridae" title="Nemegtosauridae">Nemegtosauridae</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Nemegtosaurus" title="Nemegtosaurus">Nemegtosaurus</a></i></li> <li><i><a href="/wiki/Quaesitosaurus" title="Quaesitosaurus">Quaesitosaurus</a></i>?</li> <li><i><a href="/wiki/Tapuiasaurus" title="Tapuiasaurus">Tapuiasaurus</a></i>?</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Saltasauridae" title="Saltasauridae">Saltasauridae</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Igai" title="Igai">Igai</a></i></li> <li><i><a href="/wiki/Isisaurus" title="Isisaurus">Isisaurus</a></i>?</li> <li><i><a href="/wiki/Qingxiusaurus" title="Qingxiusaurus">Qingxiusaurus</a></i></li> <li><i><a href="/wiki/Quaesitosaurus" title="Quaesitosaurus">Quaesitosaurus</a></i>?</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Opisthocoelicaudiinae" title="Opisthocoelicaudiinae">Opisthocoelicaudiinae</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Abditosaurus" title="Abditosaurus">Abditosaurus</a></i>?</li> <li><i><a href="/wiki/Alamosaurus" title="Alamosaurus">Alamosaurus</a></i></li> <li><i><a href="/wiki/Baurutitan" title="Baurutitan">Baurutitan</a></i>?</li> <li><i><a href="/wiki/Dreadnoughtus" title="Dreadnoughtus">Dreadnoughtus</a></i>?</li> <li><i><a href="/wiki/Opisthocoelicaudia" title="Opisthocoelicaudia">Opisthocoelicaudia</a></i></li> <li><i><a href="/wiki/Pellegrinisaurus" title="Pellegrinisaurus">Pellegrinisaurus</a></i>?</li> <li><i><a href="/wiki/Qunkasaura" title="Qunkasaura">Qunkasaura</a></i></li> <li><i><a href="/wiki/Zhuchengtitan" title="Zhuchengtitan">Zhuchengtitan</a></i>?</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Saltasaurinae" title="Saltasaurinae">Saltasaurinae</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Abditosaurus" title="Abditosaurus">Abditosaurus</a></i>?</li> <li><i><a href="/wiki/Bonatitan" title="Bonatitan">Bonatitan</a></i>?</li> <li><i><a href="/wiki/Ibirania" title="Ibirania">Ibirania</a></i></li> <li><i><a href="/wiki/Maxakalisaurus" title="Maxakalisaurus">Maxakalisaurus</a></i>?</li> <li><i><a href="/wiki/Neuquensaurus" title="Neuquensaurus">Neuquensaurus</a></i></li> <li><i><a href="/wiki/Paralititan" title="Paralititan">Paralititan</a></i></li> <li><i><a href="/wiki/Rocasaurus" title="Rocasaurus">Rocasaurus</a></i></li> <li><i><a href="/wiki/Saltasaurus" title="Saltasaurus">Saltasaurus</a></i></li> <li><i><a href="/wiki/Yamanasaurus" title="Yamanasaurus">Yamanasaurus</a></i></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Dubious_titanosaurs19" scope="row" class="navbox-group" style="width:1%">Dubious titanosaurs</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Bruhathkayosaurus" title="Bruhathkayosaurus">Bruhathkayosaurus</a></i>?</li> <li><i><a href="/wiki/Campylodoniscus" title="Campylodoniscus">Campylodoniscus</a></i></li> <li><i><a href="/wiki/Clasmodosaurus" title="Clasmodosaurus">Clasmodosaurus</a></i></li> <li><i><a href="/wiki/Hypselosaurus" title="Hypselosaurus">Hypselosaurus</a></i></li> <li><i><a href="/wiki/Iuticosaurus" title="Iuticosaurus">Iuticosaurus</a></i></li> <li><i><a href="/wiki/Loricosaurus" title="Loricosaurus">Loricosaurus</a></i></li> <li><i><a href="/wiki/Macrurosaurus" title="Macrurosaurus">Macrurosaurus</a></i>?</li> <li><i><a href="/wiki/Microcoelus" title="Microcoelus">Microcoelus</a></i></li> <li><i><a href="/wiki/Mongolosaurus" title="Mongolosaurus">Mongolosaurus</a></i>?</li> <li><i><a href="/wiki/Titanosaurus" title="Titanosaurus">Titanosaurus</a></i></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td><td class="noviewer navbox-image" rowspan="1" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/File:Andesaurus_LM.png" class="mw-file-description" title="Andesaurus delgadoi"><img alt="Andesaurus delgadoi" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Andesaurus_LM.png/140px-Andesaurus_LM.png" decoding="async" width="140" height="73" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Andesaurus_LM.png/210px-Andesaurus_LM.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/42/Andesaurus_LM.png/280px-Andesaurus_LM.png 2x" data-file-width="3215" data-file-height="1674" /></a></span> <p><span typeof="mw:File"><a href="/wiki/File:AmpelosaurusDB.jpg" class="mw-file-description" title="Ampelosaurus atacis"><img alt="Ampelosaurus atacis" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f2/AmpelosaurusDB.jpg/140px-AmpelosaurusDB.jpg" decoding="async" width="140" height="45" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f2/AmpelosaurusDB.jpg/210px-AmpelosaurusDB.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f2/AmpelosaurusDB.jpg/280px-AmpelosaurusDB.jpg 2x" data-file-width="1182" data-file-height="380" /></a></span> <span typeof="mw:File"><a href="/wiki/File:Futalognkosaurus_BW.jpg" class="mw-file-description" title="Futalognkosaurus dukei"><img alt="Futalognkosaurus dukei" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/28/Futalognkosaurus_BW.jpg/140px-Futalognkosaurus_BW.jpg" decoding="async" width="140" height="80" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/28/Futalognkosaurus_BW.jpg/210px-Futalognkosaurus_BW.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/28/Futalognkosaurus_BW.jpg/280px-Futalognkosaurus_BW.jpg 2x" data-file-width="1280" data-file-height="734" /></a></span> </p> <span typeof="mw:File"><a href="/wiki/File:Saltasaurus_dinosaur.png" class="mw-file-description" title="Saltasaurus loricatus"><img alt="Saltasaurus loricatus" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/da/Saltasaurus_dinosaur.png/140px-Saltasaurus_dinosaur.png" decoding="async" width="140" height="79" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/da/Saltasaurus_dinosaur.png/210px-Saltasaurus_dinosaur.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/da/Saltasaurus_dinosaur.png/280px-Saltasaurus_dinosaur.png 2x" data-file-width="1920" data-file-height="1080" /></a></span></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Topics_in_sauropodomorph_research368" style="font-size:114%;margin:0 4em">Topics in sauropodomorph research</div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Sauropod_neck_posture" title="Sauropod neck posture">Sauropod neck posture</a></li> <li><a href="/wiki/Sauropod_hiatus" title="Sauropod hiatus">Sauropod hiatus</a></li> <li><a href="/wiki/List_of_sauropod_species" title="List of sauropod species">List of sauropod species</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Taxon_identifiers1086" style="padding:3px"><table class="nowraplinks hlist navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Taxon_identifiers1086" style="font-size:114%;margin:0 4em"><a href="/wiki/Help:Taxon_identifiers" title="Help:Taxon identifiers">Taxon identifiers</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: left;"><i>Haplocanthosaurus</i></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span style="white-space:nowrap;"><a href="/wiki/Wikidata" title="Wikidata">Wikidata</a>: <span class="uid"><span class="external"><a href="https://www.wikidata.org/wiki/Q133453" class="extiw" title="wikidata:Q133453">Q133453</a></span></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Wikispecies" title="Wikispecies">Wikispecies</a>: <span class="uid"><span class="external"><a href="https://species.wikimedia.org/wiki/Haplocanthosaurus" class="extiw" title="wikispecies:Haplocanthosaurus">Haplocanthosaurus</a></span></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Global_Biodiversity_Information_Facility" title="Global Biodiversity Information Facility">GBIF</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://www.gbif.org/species/4822746">4822746</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Interim_Register_of_Marine_and_Nonmarine_Genera" title="Interim Register of Marine and Nonmarine Genera">IRMNG</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://www.irmng.org/aphia.php?p=taxdetails&id=1092717">1092717</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Open_Tree_of_Life" title="Open Tree of Life">Open Tree of Life</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://tree.opentreeoflife.org/taxonomy/browse?id=4947187">4947187</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Paleobiology_Database" title="Paleobiology Database">Paleobiology Database</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://paleobiodb.org/classic/basicTaxonInfo?taxon_no=38658">38658</a></span></span></li></ul> </div></td></tr></tbody></table></div> <style data-mw-deduplicate="TemplateStyles:r1130092004">.mw-parser-output .portal-bar{font-size:88%;font-weight:bold;display:flex;justify-content:center;align-items:baseline}.mw-parser-output .portal-bar-bordered{padding:0 2em;background-color:#fdfdfd;border:1px solid #a2a9b1;clear:both;margin:1em auto 0}.mw-parser-output .portal-bar-related{font-size:100%;justify-content:flex-start}.mw-parser-output .portal-bar-unbordered{padding:0 1.7em;margin-left:0}.mw-parser-output .portal-bar-header{margin:0 1em 0 0.5em;flex:0 0 auto;min-height:24px}.mw-parser-output .portal-bar-content{display:flex;flex-flow:row wrap;flex:0 1 auto;padding:0.15em 0;column-gap:1em;align-items:baseline;margin:0;list-style:none}.mw-parser-output .portal-bar-content-related{margin:0;list-style:none}.mw-parser-output .portal-bar-item{display:inline-block;margin:0.15em 0.2em;min-height:24px;line-height:24px}@media screen and (max-width:768px){.mw-parser-output .portal-bar{font-size:88%;font-weight:bold;display:flex;flex-flow:column wrap;align-items:baseline}.mw-parser-output .portal-bar-header{text-align:center;flex:0;padding-left:0.5em;margin:0 auto}.mw-parser-output .portal-bar-related{font-size:100%;align-items:flex-start}.mw-parser-output .portal-bar-content{display:flex;flex-flow:row wrap;align-items:center;flex:0;column-gap:1em;border-top:1px solid #a2a9b1;margin:0 auto;list-style:none}.mw-parser-output .portal-bar-content-related{border-top:none;margin:0;list-style:none}}.mw-parser-output .navbox+link+.portal-bar,.mw-parser-output .navbox+style+.portal-bar,.mw-parser-output .navbox+link+.portal-bar-bordered,.mw-parser-output .navbox+style+.portal-bar-bordered,.mw-parser-output .sister-bar+link+.portal-bar,.mw-parser-output .sister-bar+style+.portal-bar,.mw-parser-output .portal-bar+.navbox-styles+.navbox,.mw-parser-output .portal-bar+.navbox-styles+.sister-bar{margin-top:-1px}</style><div class="portal-bar noprint metadata noviewer portal-bar-bordered" role="navigation" aria-label="Portals"><span class="portal-bar-header"><a href="/wiki/Wikipedia:Contents/Portals" title="Wikipedia:Contents/Portals">Portals</a>:</span><ul class="portal-bar-content"><li class="portal-bar-item"><span class="nowrap"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Tyrannoskull.jpg/21px-Tyrannoskull.jpg" decoding="async" width="21" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Tyrannoskull.jpg/32px-Tyrannoskull.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Tyrannoskull.jpg/42px-Tyrannoskull.jpg 2x" data-file-width="4095" data-file-height="3058" /></span></span> </span><a href="/wiki/Portal:Dinosaurs" title="Portal:Dinosaurs">Dinosaurs</a></li><li class="portal-bar-item"><span class="nowrap"><span class="mw-image-border" typeof="mw:File"><span><img alt="flag" src="//upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/21px-Flag_of_the_United_States.svg.png" decoding="async" width="21" height="11" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/32px-Flag_of_the_United_States.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/42px-Flag_of_the_United_States.svg.png 2x" data-file-width="1235" data-file-height="650" /></span></span> </span><a href="/wiki/Portal:United_States" title="Portal:United States">United States</a></li></ul></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Haplocanthosaurus&oldid=1274375182">https://en.wikipedia.org/w/index.php?title=Haplocanthosaurus&oldid=1274375182</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:Diplodocoids" title="Category:Diplodocoids">Diplodocoids</a></li><li><a href="/wiki/Category:Dinosaurs_of_the_Morrison_Formation" title="Category:Dinosaurs of the Morrison Formation">Dinosaurs of the Morrison Formation</a></li><li><a href="/wiki/Category:Paleontology_in_Colorado" title="Category:Paleontology in Colorado">Paleontology in Colorado</a></li><li><a href="/wiki/Category:Taxa_named_by_John_Bell_Hatcher" title="Category:Taxa named by John Bell Hatcher">Taxa named by John Bell Hatcher</a></li><li><a href="/wiki/Category:Fossil_taxa_described_in_1903" title="Category:Fossil taxa described in 1903">Fossil taxa described in 1903</a></li><li><a href="/wiki/Category:Kimmeridgian_genera" title="Category:Kimmeridgian genera">Kimmeridgian genera</a></li><li><a href="/wiki/Category:Late_Jurassic_sauropods" title="Category:Late Jurassic sauropods">Late Jurassic sauropods</a></li><li><a href="/wiki/Category:Sauropods_of_North_America" title="Category:Sauropods of North America">Sauropods of North America</a></li><li><a href="/wiki/Category:Multispecific_sauropod_genera" title="Category:Multispecific sauropod genera">Multispecific sauropod genera</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:CS1_maint:_DOI_inactive_as_of_November_2024" title="Category:CS1 maint: DOI inactive as of November 2024">CS1 maint: DOI inactive as of November 2024</a></li><li><a href="/wiki/Category:CS1_maint:_multiple_names:_authors_list" title="Category:CS1 maint: multiple names: authors list">CS1 maint: multiple names: authors list</a></li><li><a href="/wiki/Category:Articles_with_short_description" title="Category:Articles with short description">Articles with short description</a></li><li><a href="/wiki/Category:Short_description_is_different_from_Wikidata" title="Category:Short description is different from Wikidata">Short description is different from Wikidata</a></li><li><a href="/wiki/Category:Use_American_English_from_September_2020" title="Category:Use American English from September 2020">Use American English from September 2020</a></li><li><a href="/wiki/Category:All_Wikipedia_articles_written_in_American_English" title="Category:All Wikipedia articles written in American English">All Wikipedia articles written in American English</a></li><li><a href="/wiki/Category:Articles_with_%27species%27_microformats" title="Category:Articles with 'species' microformats">Articles with 'species' microformats</a></li><li><a href="/wiki/Category:Commons_category_link_from_Wikidata" title="Category:Commons category link from Wikidata">Commons category link from Wikidata</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 7 February 2025, at 00:27<span class="anonymous-show"> (UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. By using this site, you agree to the <a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Terms_of_Use" class="extiw" title="foundation:Special:MyLanguage/Policy:Terms of Use">Terms of Use</a> and <a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy" class="extiw" title="foundation:Special:MyLanguage/Policy:Privacy policy">Privacy Policy</a>. Wikipedia® is a registered trademark of the <a rel="nofollow" class="external text" href="https://wikimediafoundation.org/">Wikimedia Foundation, Inc.</a>, a non-profit organization.</li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy">Privacy policy</a></li> <li id="footer-places-about"><a href="/wiki/Wikipedia:About">About Wikipedia</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Wikipedia:General_disclaimer">Disclaimers</a></li> <li id="footer-places-contact"><a href="//en.wikipedia.org/wiki/Wikipedia:Contact_us">Contact Wikipedia</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Code of Conduct</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Developers</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/en.wikipedia.org">Statistics</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Cookie statement</a></li> <li id="footer-places-mobileview"><a href="//en.m.wikipedia.org/w/index.php?title=Haplocanthosaurus&mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Mobile view</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><picture><source media="(min-width: 500px)" srcset="/static/images/footer/wikimedia-button.svg" width="84" height="29"><img src="/static/images/footer/wikimedia.svg" width="25" height="25" alt="Wikimedia Foundation" lang="en" loading="lazy"></picture></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><picture><source media="(min-width: 500px)" srcset="/w/resources/assets/poweredby_mediawiki.svg" width="88" height="31"><img src="/w/resources/assets/mediawiki_compact.svg" alt="Powered by MediaWiki" width="25" height="25" loading="lazy"></picture></a></li> </ul> </footer> </div> </div> </div> <div class="vector-header-container vector-sticky-header-container"> <div id="vector-sticky-header" class="vector-sticky-header"> <div class="vector-sticky-header-start"> <div class="vector-sticky-header-icon-start vector-button-flush-left vector-button-flush-right" aria-hidden="true"> <button class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-sticky-header-search-toggle" tabindex="-1" data-event-name="ui.vector-sticky-search-form.icon"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Search</span> </button> </div> <div role="search" class="vector-search-box-vue vector-search-box-show-thumbnail vector-search-box"> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail"> <form action="/w/index.php" id="vector-sticky-search-form" class="cdx-search-input cdx-search-input--has-end-button"> <div class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Search Wikipedia"> <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Special:Search"> </div> <button class="cdx-button cdx-search-input__end-button">Search</button> </form> </div> </div> </div> <div class="vector-sticky-header-context-bar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-sticky-header-toc" class="vector-dropdown mw-portlet mw-portlet-sticky-header-toc vector-sticky-header-toc vector-button-flush-left" > <input type="checkbox" id="vector-sticky-header-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-sticky-header-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-sticky-header-toc-label" for="vector-sticky-header-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-sticky-header-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div class="vector-sticky-header-context-bar-primary" aria-hidden="true" ><i>Haplocanthosaurus</i></div> </div> </div> <div class="vector-sticky-header-end" aria-hidden="true"> <div class="vector-sticky-header-icons"> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-talk-sticky-header" tabindex="-1" data-event-name="talk-sticky-header"><span class="vector-icon mw-ui-icon-speechBubbles mw-ui-icon-wikimedia-speechBubbles"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-subject-sticky-header" tabindex="-1" data-event-name="subject-sticky-header"><span class="vector-icon mw-ui-icon-article mw-ui-icon-wikimedia-article"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-history-sticky-header" tabindex="-1" data-event-name="history-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-history mw-ui-icon-wikimedia-wikimedia-history"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only mw-watchlink" id="ca-watchstar-sticky-header" tabindex="-1" data-event-name="watch-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-star mw-ui-icon-wikimedia-wikimedia-star"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-edit-sticky-header" tabindex="-1" data-event-name="wikitext-edit-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-wikiText mw-ui-icon-wikimedia-wikimedia-wikiText"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-ve-edit-sticky-header" tabindex="-1" data-event-name="ve-edit-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-edit mw-ui-icon-wikimedia-wikimedia-edit"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-viewsource-sticky-header" tabindex="-1" data-event-name="ve-edit-protected-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-editLock mw-ui-icon-wikimedia-wikimedia-editLock"></span> <span></span> </a> </div> <div class="vector-sticky-header-buttons"> <button class="cdx-button cdx-button--weight-quiet mw-interlanguage-selector" id="p-lang-btn-sticky-header" tabindex="-1" data-event-name="ui.dropdown-p-lang-btn-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-language mw-ui-icon-wikimedia-wikimedia-language"></span> <span>20 languages</span> </button> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive" id="ca-addsection-sticky-header" tabindex="-1" data-event-name="addsection-sticky-header"><span class="vector-icon mw-ui-icon-speechBubbleAdd-progressive mw-ui-icon-wikimedia-speechBubbleAdd-progressive"></span> <span>Add topic</span> </a> </div> <div class="vector-sticky-header-icon-end"> <div class="vector-user-links"> </div> </div> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-fd9f956dc-l8gb2","wgBackendResponseTime":130,"wgPageParseReport":{"limitreport":{"cputime":"1.067","walltime":"1.338","ppvisitednodes":{"value":18752,"limit":1000000},"postexpandincludesize":{"value":474563,"limit":2097152},"templateargumentsize":{"value":24609,"limit":2097152},"expansiondepth":{"value":22,"limit":100},"expensivefunctioncount":{"value":8,"limit":500},"unstrip-depth":{"value":1,"limit":20},"unstrip-size":{"value":84761,"limit":5000000},"entityaccesscount":{"value":5,"limit":400},"timingprofile":["100.00% 1124.586 1 -total"," 39.55% 444.805 1 Template:Automatic_taxobox"," 22.62% 254.368 43 Template:Navbox"," 16.32% 183.573 7 Template:Clade"," 16.09% 180.960 1 Template:Sauropodomorpha"," 15.77% 177.292 1 Template:Navbox_with_collapsible_groups"," 14.46% 162.585 1 Template:Reflist"," 11.73% 131.923 11 Template:Cite_journal"," 9.16% 103.002 1 Template:Fossil_range"," 8.28% 93.097 1 Template:Phanerozoic_220px"]},"scribunto":{"limitreport-timeusage":{"value":"0.702","limit":"10.000"},"limitreport-memusage":{"value":10401990,"limit":52428800}},"cachereport":{"origin":"mw-web.codfw.main-d8647bfd6-gtwlp","timestamp":"20250221193116","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"Haplocanthosaurus","url":"https:\/\/en.wikipedia.org\/wiki\/Haplocanthosaurus","sameAs":"http:\/\/www.wikidata.org\/entity\/Q133453","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q133453","author":{"@type":"Organization","name":"Contributors to Wikimedia projects"},"publisher":{"@type":"Organization","name":"Wikimedia Foundation, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2005-12-27T16:05:21Z","dateModified":"2025-02-07T00:27:15Z","image":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/5\/56\/Haplocanthosaurus_in_Cleveland_Museum_of_Natural_History.jpg","headline":"genus of reptiles (fossil)"}</script> </body> </html>