CINXE.COM

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-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-toc-available" lang="en" dir="ltr"> <head> <meta charset="UTF-8"> <title>Polychelida - Wikipedia</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-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-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":"352e9dc9-7962-46b6-86a8-4352774bb4d6","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"Polychelida","wgTitle":"Polychelida","wgCurRevisionId":1220666619,"wgRevisionId":1220666619,"wgArticleId":25230593,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["CS1: long volume value","Articles with short description","Short description matches Wikidata","Articles with 'species' microformats","Articles containing German-language text","Commons category link from Wikidata","Polychelida","Arthropod infraorders","Extant Late Triassic first appearances"],"wgPageViewLanguage":"en","wgPageContentLanguage":"en","wgPageContentModel":"wikitext","wgRelevantPageName":"Polychelida","wgRelevantArticleId":25230593,"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":6000,"wgRelatedArticlesCompat":[],"wgCentralAuthMobileDomain":false,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q1468386","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","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.quicksurveys.init","ext.growthExperiments.SuggestedEditSession","wikibase.sidebar.tracking"];</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.4"> <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/7/7e/Polycheles_sculptus_MNHN.jpg/1200px-Polycheles_sculptus_MNHN.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/7/7e/Polycheles_sculptus_MNHN.jpg/800px-Polycheles_sculptus_MNHN.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/7/7e/Polycheles_sculptus_MNHN.jpg/640px-Polycheles_sculptus_MNHN.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="Polychelida - 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/Polychelida"> <link rel="alternate" type="application/x-wiki" title="Edit this page" href="/w/index.php?title=Polychelida&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/Polychelida"> <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-Polychelida rootpage-Polychelida 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" > <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> </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/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_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=Polychelida" 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=Polychelida" 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/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_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=Polychelida" 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=Polychelida" 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-History" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#History"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>History</span> </div> </a> <ul id="toc-History-sublist" class="vector-toc-list"> </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">2</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">3</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>External links</span> </div> </a> <ul id="toc-External_links-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" > <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"><span class="mw-page-title-main">Polychelida</span></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 9 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-9" 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">9 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Poliqu%C3%A8lides" title="Poliquèlides – Catalan" lang="ca" hreflang="ca" data-title="Poliquèlides" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Polychelida" title="Polychelida – German" lang="de" hreflang="de" data-title="Polychelida" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-nv mw-list-item"><a href="https://nv.wikipedia.org/wiki/T%C3%A1%C5%82t%C5%82%CA%BC%C3%A1%C3%A1h_ch%CA%BCosh_bin%C3%A1%C3%A1%CA%BC_%C3%A1din%C3%AD" title="Táłtłʼááh chʼosh binááʼ ádiní – Navajo" lang="nv" hreflang="nv" data-title="Táłtłʼááh chʼosh binááʼ ádiní" data-language-autonym="Diné bizaad" data-language-local-name="Navajo" class="interlanguage-link-target"><span>Diné bizaad</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%BE%D8%B1%DA%86%D9%86%DA%AF%DA%A9%E2%80%8C%D8%B3%D8%A7%D9%86%D8%A7%D9%86" title="پرچنگک‌سانان – Persian" lang="fa" hreflang="fa" data-title="پرچنگک‌سانان" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%ED%8F%B4%EB%A6%AC%EC%BC%88%EB%A0%88%EC%8A%A4%ED%95%98%EB%AA%A9" title="폴리켈레스하목 – Korean" lang="ko" hreflang="ko" data-title="폴리켈레스하목" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%A8%D9%88%D9%84%D9%8A%D8%B4%D9%8A%D9%84%D9%8A%D8%AF%D8%A7" title="بوليشيليدا – Egyptian Arabic" lang="arz" hreflang="arz" data-title="بوليشيليدا" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Polychelida" title="Polychelida – Dutch" lang="nl" hreflang="nl" data-title="Polychelida" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Polychelida" title="Polychelida – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Polychelida" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Polychelida" title="Polychelida – Portuguese" lang="pt" hreflang="pt" data-title="Polychelida" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</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/Q1468386#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/Polychelida" 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:Polychelida" 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/Polychelida"><span>Read</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Polychelida&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=Polychelida&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/Polychelida"><span>Read</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Polychelida&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=Polychelida&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/Polychelida" 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/Polychelida" 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="/wiki/Wikipedia:File_Upload_Wizard" title="Upload files [u]" accesskey="u"><span>Upload file</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:SpecialPages" title="A list of all special pages [q]" accesskey="q"><span>Special pages</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Polychelida&oldid=1220666619" 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=Polychelida&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=Polychelida&id=1220666619&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%2FPolychelida"><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%2FPolychelida"><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=Polychelida&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=Polychelida&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:Polychelida" 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/Polychelida" 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/Q1468386" 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">Infraorder of crustaceans</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)">Polychelida<br /><div style="font-size: 85%;">Temporal range: <span class="noprint"><span style="display:inline-block;"></span><span style="display:inline-block;">Upper Triassic–Recent</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:18.073846153846px;"><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:55.710769230769px; width:14.08px;"><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:69.790769230769px; width:8.3261538461539px;"><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:78.116923076923px; width:20.409230769231px;"><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:98.526153846154px; width:20.307692307692px;"><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:19.089230769231px;"><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:170.92307692308px; width:26.738461538462px;"><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:14.543692307692px;"><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:212.20523076923px; width:6.9215384615385px;"><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; height:8px; left:139.78461538462px; width:80.215384615385px; background-color:#360; opacity:0.42;"></div> <div style="position:absolute; height:8px; left:139.78461538462px; width:80.215384615385px; background-color:#360; opacity:1;"></div> <div style="position:absolute; height:6px; top:1px; left:140.78461538462px; width:78.215384615385px; background-color:#6c3;"></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:Polycheles_sculptus_MNHN.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/7e/Polycheles_sculptus_MNHN.jpg/220px-Polycheles_sculptus_MNHN.jpg" decoding="async" width="220" height="147" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7e/Polycheles_sculptus_MNHN.jpg/330px-Polycheles_sculptus_MNHN.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7e/Polycheles_sculptus_MNHN.jpg/440px-Polycheles_sculptus_MNHN.jpg 2x" data-file-width="3189" data-file-height="2126" /></a></span> </td></tr> <tr> <td colspan="2" style="text-align: center; font-size: 88%"><i><a href="/wiki/Stereomastis_sculpta" title="Stereomastis sculpta">Stereomastis sculpta</a></i> </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/Polychelida" 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/Arthropod" title="Arthropod">Arthropoda</a> </td></tr> <tr> <td>Class: </td> <td><a href="/wiki/Malacostraca" title="Malacostraca">Malacostraca</a> </td></tr> <tr> <td>Order: </td> <td><a href="/wiki/Decapod" title="Decapod">Decapoda</a> </td></tr> <tr> <td>Suborder: </td> <td><a href="/wiki/Pleocyemata" title="Pleocyemata">Pleocyemata</a> </td></tr> <tr> <td>(unranked): </td> <td><a href="/wiki/Reptantia" title="Reptantia">Reptantia</a> </td></tr> <tr> <td>Infraorder: </td> <td><a class="mw-selflink selflink">Polychelida</a><br /><small>Scholtz & Richter, 1995 <sup id="cite_ref-Scholtz_1-0" class="reference"><a href="#cite_note-Scholtz-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></small> </td></tr> <tr> <th colspan="2" style="color:inherit; text-align: center; background-color: rgb(235,235,210)">Families </th></tr> <tr> <td colspan="2" style="text-align: left"> <ul><li><a href="/wiki/Coleiidae" title="Coleiidae">Coleiidae</a> <small>Van Straelen, 1925</small> †</li> <li><a href="/wiki/Eryonidae" title="Eryonidae">Eryonidae</a> <small>De Haan, 1841</small> †</li> <li><a href="/w/index.php?title=Palaeopentachelidae&action=edit&redlink=1" class="new" title="Palaeopentachelidae (page does not exist)">Palaeopentachelidae</a> <small>Ahyong, 2009</small> †</li> <li><a href="/wiki/Polychelidae" title="Polychelidae">Polychelidae</a> <small>Wood-Mason, 1875</small></li> <li><a href="/wiki/Tetrachelidae" class="mw-redirect" title="Tetrachelidae">Tetrachelidae</a> <small>Beurlen, 1930</small> †</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><b>Polychelida</b> is an <a href="/wiki/Infraorder" class="mw-redirect" title="Infraorder">infraorder</a> of <a href="/wiki/Decapoda" class="mw-redirect" title="Decapoda">decapod</a> <a href="/wiki/Crustacean" title="Crustacean">crustaceans</a>. Fossil representatives are known dating from as far back as the <a href="/wiki/Upper_Triassic" class="mw-redirect" title="Upper Triassic">Upper Triassic</a>. A total of 38 <a href="/wiki/Extant_taxon" class="mw-redirect" title="Extant taxon">extant</a> species, all in the family <a href="/wiki/Polychelidae" title="Polychelidae">Polychelidae</a>, and 55 fossil species have been described. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Polychelida&action=edit&section=1" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Polychelida had traditionally been included in the infraorder <a href="/wiki/Palinura" class="mw-redirect" title="Palinura">Palinura</a>, alongside the <a href="/wiki/Spiny_lobster" title="Spiny lobster">spiny lobsters</a> and <a href="/wiki/Slipper_lobster" title="Slipper lobster">slipper lobsters</a> (now in the infraorder <a href="/wiki/Achelata" title="Achelata">Achelata</a>).<sup id="cite_ref-Scholtz_1-1" class="reference"><a href="#cite_note-Scholtz-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Karasawa_2-0" class="reference"><a href="#cite_note-Karasawa-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> In 1995, Gerhard Scholtz and Stefan Richter of the <span title="German-language text"><i lang="de"><a href="/wiki/Free_University_of_Berlin" title="Free University of Berlin">Freie Universität Berlin</a></i></span> carried out a <a href="/wiki/Phylogenetics" title="Phylogenetics">phylogenetic</a> study of the "<a href="/wiki/Reptantia" title="Reptantia">Reptantia</a>", and concluded that "Palinura" was <a href="/wiki/Paraphyly" title="Paraphyly">paraphyletic</a>. They therefore abandoned that taxon and introduced instead the new <a href="/wiki/Clade" title="Clade">clade</a> Polychelida.<sup id="cite_ref-Scholtz_1-2" class="reference"><a href="#cite_note-Scholtz-1"><span class="cite-bracket">[</span>1<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=Polychelida&action=edit&section=2" title="Edit section: Classification"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Polychelida belongs to the group <a href="/wiki/Reptantia" title="Reptantia">Reptantia</a>, which consists of the walking/crawling decapods (lobsters and <a href="/wiki/Crabs" class="mw-redirect" title="Crabs">crabs</a>). Polychelida is the <a href="/wiki/Sister_clade" class="mw-redirect" title="Sister clade">sister clade</a> to the infraorder <a href="/wiki/Astacidea" title="Astacidea">Astacidea</a>, which contains the "true" lobsters and crayfish. The <a href="/wiki/Cladogram" title="Cladogram">cladogram</a> below shows Polychelida's placement within the larger <a href="/wiki/Order_(biology)" title="Order (biology)">order</a> <a href="/wiki/Decapoda" class="mw-redirect" title="Decapoda">Decapoda</a>, from analysis by Wolfe <i>et al.</i>, 2019.<sup id="cite_ref-Wolfe2019_3-0" class="reference"><a href="#cite_note-Wolfe2019-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p><br /> </p> <div class="clade"><style data-mw-deduplicate="TemplateStyles:r1258728058">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}.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-leafR{border:0;padding:0;text-align:right}.mw-parser-output table.clade td.clade-leaf.reverse{text-align:right}.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"> <b><a href="/wiki/Decapoda" class="mw-redirect" title="Decapoda">Decapoda</a></b>  </td> <td rowspan="2" class="clade-leaf"> <div><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1258728058"> <table class="clade"> <tbody><tr> <td class="clade-label first"> </td> <td rowspan="2" class="clade-leaf"> <div><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1258728058"> <table class="clade"> <tbody><tr> <td class="clade-label first">      </td> <td rowspan="2" class="clade-leaf"> <p><a href="/wiki/Dendrobranchiata" title="Dendrobranchiata">Dendrobranchiata</a> (prawns) <span typeof="mw:File"><a href="/wiki/File:Litopenaeus_setiferus.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/86/Litopenaeus_setiferus.png/50px-Litopenaeus_setiferus.png" decoding="async" width="50" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/86/Litopenaeus_setiferus.png/75px-Litopenaeus_setiferus.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/86/Litopenaeus_setiferus.png/100px-Litopenaeus_setiferus.png 2x" data-file-width="248" data-file-height="150" /></a></span> </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/Pleocyemata" title="Pleocyemata">Pleocyemata</a>  </td> <td rowspan="2" class="clade-leaf"> <div><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1258728058"> <table class="clade"> <tbody><tr> <td class="clade-label first"> </td> <td rowspan="2" class="clade-leaf"> <div><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1258728058"> <table class="clade"> <tbody><tr> <td class="clade-label first"> </td> <td rowspan="2" class="clade-leaf"> <p><a href="/wiki/Stenopodidea" title="Stenopodidea">Stenopodidea</a> (boxer shrimp) <span typeof="mw:File"><a href="/wiki/File:Spongicola_venustus.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Spongicola_venustus.png/50px-Spongicola_venustus.png" decoding="async" width="50" height="37" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Spongicola_venustus.png/75px-Spongicola_venustus.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/64/Spongicola_venustus.png/100px-Spongicola_venustus.png 2x" data-file-width="1500" data-file-height="1100" /></a></span> </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:r1258728058"> <table class="clade"> <tbody><tr> <td class="clade-label first"> </td> <td rowspan="2" class="clade-leaf"> <p><a href="/wiki/Procarididea" title="Procarididea">Procarididea</a> </p> </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/Caridea" title="Caridea">Caridea</a> ("true" shrimp) <span typeof="mw:File"><a href="/wiki/File:Macrobrachium_sp.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/74/Macrobrachium_sp.jpg/50px-Macrobrachium_sp.jpg" decoding="async" width="50" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/74/Macrobrachium_sp.jpg/75px-Macrobrachium_sp.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/74/Macrobrachium_sp.jpg/100px-Macrobrachium_sp.jpg 2x" data-file-width="4691" data-file-height="2671" /></a></span> </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"> </td></tr> <tr> <td class="clade-label"> <br /><br /> <a href="/wiki/Reptantia" title="Reptantia">Reptantia</a>  </td> <td rowspan="2" class="clade-leaf"> <div><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1258728058"> <table class="clade"> <tbody><tr> <td class="clade-label first"> </td> <td rowspan="2" class="clade-leaf"> <div><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1258728058"> <table class="clade"> <tbody><tr> <td class="clade-label first"> </td> <td rowspan="2" class="clade-leaf"> <p><a href="/wiki/Achelata" title="Achelata">Achelata</a> (spiny lobsters and slipper lobsters) <span typeof="mw:File"><a href="/wiki/File:Panulirus_argus.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b5/Panulirus_argus.png/50px-Panulirus_argus.png" decoding="async" width="50" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b5/Panulirus_argus.png/75px-Panulirus_argus.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b5/Panulirus_argus.png/100px-Panulirus_argus.png 2x" data-file-width="248" data-file-height="150" /></a></span> </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:r1258728058"> <table class="clade"> <tbody><tr> <td class="clade-label first"> </td> <td rowspan="2" class="clade-leaf"> <p><a class="mw-selflink selflink">Polychelida</a> (benthic crustaceans) </p> </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/Astacidea" title="Astacidea">Astacidea</a> (lobsters and crayfish) <span typeof="mw:File"><a href="/wiki/File:Lobster_NSRW_rotated2.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Lobster_NSRW_rotated2.jpg/50px-Lobster_NSRW_rotated2.jpg" decoding="async" width="50" height="34" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Lobster_NSRW_rotated2.jpg/75px-Lobster_NSRW_rotated2.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Lobster_NSRW_rotated2.jpg/100px-Lobster_NSRW_rotated2.jpg 2x" data-file-width="2679" data-file-height="1802" /></a></span> </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"> </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:r1258728058"> <table class="clade"> <tbody><tr> <td class="clade-label first"> </td> <td rowspan="2" class="clade-leaf"> <p><a href="/wiki/Axiidea" title="Axiidea">Axiidea</a> (mud shrimp, ghost shrimp, and burrowing shrimp) </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:r1258728058"> <table class="clade"> <tbody><tr> <td class="clade-label first"> </td> <td rowspan="2" class="clade-leaf"> <p><a href="/wiki/Gebiidea" title="Gebiidea">Gebiidea</a> (mud lobsters and mud shrimp) <span typeof="mw:File"><a href="/wiki/File:Upogebia_deltaura_transparent.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Upogebia_deltaura_transparent.png/50px-Upogebia_deltaura_transparent.png" decoding="async" width="50" height="38" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Upogebia_deltaura_transparent.png/75px-Upogebia_deltaura_transparent.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Upogebia_deltaura_transparent.png/100px-Upogebia_deltaura_transparent.png 2x" data-file-width="2816" data-file-height="2112" /></a></span> </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:r1258728058"> <table class="clade"> <tbody><tr> <td class="clade-label first"> </td> <td rowspan="2" class="clade-leaf"> <p><a href="/wiki/Anomura" title="Anomura">Anomura</a> (hermit crabs and allies) <span typeof="mw:File"><a href="/wiki/File:Coenobita_variabilis.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Coenobita_variabilis.jpg/50px-Coenobita_variabilis.jpg" decoding="async" width="50" height="37" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Coenobita_variabilis.jpg/75px-Coenobita_variabilis.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Coenobita_variabilis.jpg/100px-Coenobita_variabilis.jpg 2x" data-file-width="800" data-file-height="597" /></a></span> </p> </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/Brachyura" class="mw-redirect" title="Brachyura">Brachyura</a> ("true" crabs) <span typeof="mw:File"><a href="/wiki/File:Charybdis_japonica.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Charybdis_japonica.jpg/50px-Charybdis_japonica.jpg" decoding="async" width="50" height="38" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Charybdis_japonica.jpg/75px-Charybdis_japonica.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Charybdis_japonica.jpg/100px-Charybdis_japonica.jpg 2x" data-file-width="1600" data-file-height="1200" /></a></span> </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 last"> </td></tr></tbody></table></div> </td></tr> <tr> <td class="clade-slabel last">(crawling / <br />walking <br />decapods) </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"> <br />  </td></tr></tbody></table></div> <p><br /> </p><p>The animals grouped into the infraorder Polychelida are united by the presence of at least four pairs of <a href="/wiki/Chela_(organ)" class="mw-redirect" title="Chela (organ)">chelae</a> (claws).<sup id="cite_ref-Ahyong_4-0" class="reference"><a href="#cite_note-Ahyong-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Five families are included, all but one of which are extinct.<sup id="cite_ref-Grave_5-0" class="reference"><a href="#cite_note-Grave-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The 38 extant species are all in the family <a href="/wiki/Polychelidae" title="Polychelidae">Polychelidae</a>.<sup id="cite_ref-Grave_5-1" class="reference"><a href="#cite_note-Grave-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The group has a <a href="/wiki/Fossil_record" class="mw-redirect" title="Fossil record">fossil record</a> stretching back to the <a href="/wiki/Upper_Triassic" class="mw-redirect" title="Upper Triassic">Upper Triassic</a>,<sup id="cite_ref-Karasawa_2-1" class="reference"><a href="#cite_note-Karasawa-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> and had its peak diversity in the <a href="/wiki/Mesozoic" title="Mesozoic">Mesozoic</a>.<sup id="cite_ref-Ahyong_4-1" class="reference"><a href="#cite_note-Ahyong-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Although the extant species are all restricted to deep waters, the group is thought to have originated in shallow water.<sup id="cite_ref-Ahyong_4-2" class="reference"><a href="#cite_note-Ahyong-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Over time, the eyes have reduced in size to the <a href="/wiki/Vestigiality" title="Vestigiality">vestigial</a> state seen in extant Polychelidae, the body has narrowed, and the chelae have become less robust; among extant taxa, the most plesiomorphic state is seen in <i><a href="/w/index.php?title=Willemoesia&action=edit&redlink=1" class="new" title="Willemoesia (page does not exist)">Willemoesia</a></i>.<sup id="cite_ref-Ahyong_4-3" class="reference"><a href="#cite_note-Ahyong-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <style data-mw-deduplicate="TemplateStyles:r1237032888/mw-parser-output/.tmulti">.mw-parser-output .tmulti .multiimageinner{display:flex;flex-direction:column}.mw-parser-output .tmulti .trow{display:flex;flex-direction:row;clear:left;flex-wrap:wrap;width:100%;box-sizing:border-box}.mw-parser-output .tmulti .tsingle{margin:1px;float:left}.mw-parser-output .tmulti .theader{clear:both;font-weight:bold;text-align:center;align-self:center;background-color:transparent;width:100%}.mw-parser-output .tmulti .thumbcaption{background-color:transparent}.mw-parser-output .tmulti .text-align-left{text-align:left}.mw-parser-output .tmulti .text-align-right{text-align:right}.mw-parser-output .tmulti .text-align-center{text-align:center}@media all and (max-width:720px){.mw-parser-output .tmulti .thumbinner{width:100%!important;box-sizing:border-box;max-width:none!important;align-items:center}.mw-parser-output .tmulti .trow{justify-content:center}.mw-parser-output .tmulti .tsingle{float:none!important;max-width:100%!important;box-sizing:border-box;text-align:center}.mw-parser-output .tmulti .tsingle .thumbcaption{text-align:left}.mw-parser-output .tmulti .trow>.thumbcaption{text-align:center}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .tmulti .multiimageinner img{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .tmulti .multiimageinner img{background-color:white}}</style><div class="thumb tmulti tleft"><div class="thumbinner multiimageinner" style="width:719px;max-width:719px"><div class="trow"><div class="theader">Representatives of different families</div></div><div class="trow"><div class="tsingle" style="width:122px;max-width:122px"><div class="thumbimage"><span typeof="mw:File"><a href="/wiki/File:Cycleryon_propinquus.JPG" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Cycleryon_propinquus.JPG/120px-Cycleryon_propinquus.JPG" decoding="async" width="120" height="160" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Cycleryon_propinquus.JPG/180px-Cycleryon_propinquus.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/99/Cycleryon_propinquus.JPG/240px-Cycleryon_propinquus.JPG 2x" data-file-width="2112" data-file-height="2816" /></a></span></div><div class="thumbcaption"><i><a href="/w/index.php?title=Cycleryon_propinquus&action=edit&redlink=1" class="new" title="Cycleryon propinquus (page does not exist)">Cycleryon propinquus</a></i> (<a href="/wiki/Eryonidae" title="Eryonidae">Eryonidae</a>)</div></div><div class="tsingle" style="width:137px;max-width:137px"><div class="thumbimage"><span typeof="mw:File"><a href="/wiki/File:Palaeopentacheles_roettenbacheri.JPG" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Palaeopentacheles_roettenbacheri.JPG/135px-Palaeopentacheles_roettenbacheri.JPG" decoding="async" width="135" height="160" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Palaeopentacheles_roettenbacheri.JPG/203px-Palaeopentacheles_roettenbacheri.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/70/Palaeopentacheles_roettenbacheri.JPG/270px-Palaeopentacheles_roettenbacheri.JPG 2x" data-file-width="758" data-file-height="899" /></a></span></div><div class="thumbcaption"><i><a href="/w/index.php?title=Palaeopentacheles_roettenbacheri&action=edit&redlink=1" class="new" title="Palaeopentacheles roettenbacheri (page does not exist)">Palaeopentacheles roettenbacheri</a></i> (<a href="/w/index.php?title=Palaeopentachelidae&action=edit&redlink=1" class="new" title="Palaeopentachelidae (page does not exist)">Palaeopentachelidae</a>)</div></div><div class="tsingle" style="width:237px;max-width:237px"><div class="thumbimage"><span typeof="mw:File"><a href="/wiki/File:Proeryon_hartmanni.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Proeryon_hartmanni.jpg/235px-Proeryon_hartmanni.jpg" decoding="async" width="235" height="160" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Proeryon_hartmanni.jpg/353px-Proeryon_hartmanni.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Proeryon_hartmanni.jpg/470px-Proeryon_hartmanni.jpg 2x" data-file-width="1170" data-file-height="798" /></a></span></div><div class="thumbcaption"><i><a href="/w/index.php?title=Proeryon_hartmanni&action=edit&redlink=1" class="new" title="Proeryon hartmanni (page does not exist)">Proeryon hartmanni</a></i> (<a href="/wiki/Coleiidae" title="Coleiidae">Coleiidae</a>)</div></div><div class="tsingle" style="width:215px;max-width:215px"><div class="thumbimage"><span typeof="mw:File"><a href="/wiki/File:Polycheles_sculptus.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Polycheles_sculptus.jpg/213px-Polycheles_sculptus.jpg" decoding="async" width="213" height="160" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Polycheles_sculptus.jpg/320px-Polycheles_sculptus.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Polycheles_sculptus.jpg/426px-Polycheles_sculptus.jpg 2x" data-file-width="2560" data-file-height="1920" /></a></span></div><div class="thumbcaption"><i><a href="/wiki/Stereomastis_sculpta" title="Stereomastis sculpta">Stereomastis sculpta</a></i> (<a href="/wiki/Polychelidae" title="Polychelidae">Polychelidae</a>)</div></div></div></div></div><div style="clear:left;" class=""></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=Polychelida&action=edit&section=3" 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 reflist-columns references-column-width" style="column-width: 32em;"> <ol class="references"> <li id="cite_note-Scholtz-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-Scholtz_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Scholtz_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Scholtz_1-2"><sup><i><b>c</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="CITEREFGerhard_ScholtzStefan_Richter1995" class="citation journal cs1">Gerhard Scholtz & Stefan Richter (1995). <a rel="nofollow" class="external text" href="http://decapoda.nhm.org/pdfs/826/826.pdf">"Phylogenetic systematics of the reptantian Decapoda (Crustacea, Malacostraca)"</a> <span class="cs1-format">(<a href="/wiki/Portable_Document_Format" class="mw-redirect" title="Portable Document Format">PDF</a>)</span>. <i><a href="/wiki/Zoological_Journal_of_the_Linnean_Society" title="Zoological Journal of the Linnean Society">Zoological Journal of the Linnean Society</a></i>. <b>113</b> (3): 289–328. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1111%2Fj.1096-3642.1995.tb00936.x">10.1111/j.1096-3642.1995.tb00936.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=Phylogenetic+systematics+of+the+reptantian+Decapoda+%28Crustacea%2C+Malacostraca%29&rft.volume=113&rft.issue=3&rft.pages=289-328&rft.date=1995&rft_id=info%3Adoi%2F10.1111%2Fj.1096-3642.1995.tb00936.x&rft.au=Gerhard+Scholtz&rft.au=Stefan+Richter&rft_id=http%3A%2F%2Fdecapoda.nhm.org%2Fpdfs%2F826%2F826.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3APolychelida" class="Z3988"></span></span> </li> <li id="cite_note-Karasawa-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-Karasawa_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Karasawa_2-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHiroaki_KarasawaFumio_TakahashiEiji_DoiHideo_Ishida2003" class="citation journal cs1">Hiroaki Karasawa; Fumio Takahashi; Eiji Doi; Hideo Ishida (2003). <a rel="nofollow" class="external text" href="http://decapoda.nhm.org/pdfs/17961/17961.pdf">"First notice of the family Coleiidae Van Straelen (Crustacea: Decapoda: Eryonoidea) from the upper Triassic of Japan"</a> <span class="cs1-format">(<a href="/wiki/Portable_Document_Format" class="mw-redirect" title="Portable Document Format">PDF</a>)</span>. <i><a href="/w/index.php?title=Paleontological_Research&action=edit&redlink=1" class="new" title="Paleontological Research (page does not exist)">Paleontological Research</a></i>. <b>7</b> (4): 357–362. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.2517%2Fprpsj.7.357">10.2517/prpsj.7.357</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Paleontological+Research&rft.atitle=First+notice+of+the+family+Coleiidae+Van+Straelen+%28Crustacea%3A+Decapoda%3A+Eryonoidea%29+from+the+upper+Triassic+of+Japan&rft.volume=7&rft.issue=4&rft.pages=357-362&rft.date=2003&rft_id=info%3Adoi%2F10.2517%2Fprpsj.7.357&rft.au=Hiroaki+Karasawa&rft.au=Fumio+Takahashi&rft.au=Eiji+Doi&rft.au=Hideo+Ishida&rft_id=http%3A%2F%2Fdecapoda.nhm.org%2Fpdfs%2F17961%2F17961.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3APolychelida" class="Z3988"></span></span> </li> <li id="cite_note-Wolfe2019-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-Wolfe2019_3-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWolfeBreinholtCrandallLemmon2019" class="citation journal cs1">Wolfe, Joanna M.; Breinholt, Jesse W.; Crandall, Keith A.; Lemmon, Alan R.; Lemmon, Emily Moriarty; Timm, Laura E.; Siddall, Mark E.; Bracken-Grissom, Heather D. (24 April 2019). <a rel="nofollow" class="external text" href="https://royalsocietypublishing.org/doi/10.1098/rspb.2019.0079">"A phylogenomic framework, evolutionary timeline and genomic resources for comparative studies of decapod crustaceans"</a>. <i>Proceedings of the Royal Society B</i>. <b>286</b> (1901). <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/10.1098%2Frspb.2019.0079">10.1098/rspb.2019.0079</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/PMC6501934">6501934</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/31014217">31014217</a>.</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+Royal+Society+B&rft.atitle=A+phylogenomic+framework%2C+evolutionary+timeline+and+genomic+resources+for+comparative+studies+of+decapod+crustaceans&rft.volume=286&rft.issue=1901&rft.date=2019-04-24&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC6501934%23id-name%3DPMC&rft_id=info%3Apmid%2F31014217&rft_id=info%3Adoi%2F10.1098%2Frspb.2019.0079&rft.aulast=Wolfe&rft.aufirst=Joanna+M.&rft.au=Breinholt%2C+Jesse+W.&rft.au=Crandall%2C+Keith+A.&rft.au=Lemmon%2C+Alan+R.&rft.au=Lemmon%2C+Emily+Moriarty&rft.au=Timm%2C+Laura+E.&rft.au=Siddall%2C+Mark+E.&rft.au=Bracken-Grissom%2C+Heather+D.&rft_id=https%3A%2F%2Froyalsocietypublishing.org%2Fdoi%2F10.1098%2Frspb.2019.0079&rfr_id=info%3Asid%2Fen.wikipedia.org%3APolychelida" class="Z3988"></span></span> </li> <li id="cite_note-Ahyong-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-Ahyong_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Ahyong_4-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Ahyong_4-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-Ahyong_4-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFShane_T._Ahyong2009" class="citation book cs1">Shane T. Ahyong (2009). "The polychelidan lobsters: phylogeny and systematics (Polychelida: Polychelidae)". In Joel W. Martin; <a href="/wiki/Keith_A._Crandall" title="Keith A. Crandall">Keith A. Crandall</a>; Darryl L. Felder (eds.). <a rel="nofollow" class="external text" href="http://decapoda.nhm.org/pdfs/30831/30831.pdf"><i>Decapod Crustacean Phylogenetics</i></a> <span class="cs1-format">(<a href="/wiki/Portable_Document_Format" class="mw-redirect" title="Portable Document Format">PDF</a>)</span>. Crustacean Issues. Vol. 18. <a href="/wiki/CRC_Press" title="CRC Press">CRC Press</a>. pp. 369–396. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-4200-9258-5" title="Special:BookSources/978-1-4200-9258-5"><bdi>978-1-4200-9258-5</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=The+polychelidan+lobsters%3A+phylogeny+and+systematics+%28Polychelida%3A+Polychelidae%29&rft.btitle=Decapod+Crustacean+Phylogenetics&rft.series=Crustacean+Issues&rft.pages=369-396&rft.pub=CRC+Press&rft.date=2009&rft.isbn=978-1-4200-9258-5&rft.au=Shane+T.+Ahyong&rft_id=http%3A%2F%2Fdecapoda.nhm.org%2Fpdfs%2F30831%2F30831.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3APolychelida" class="Z3988"></span></span> </li> <li id="cite_note-Grave-5"><span class="mw-cite-backlink">^ <a href="#cite_ref-Grave_5-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Grave_5-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSammy_De_GraveN._Dean_PentcheffShane_T._Ahyong2009" class="citation journal cs1 cs1-prop-long-vol">Sammy De Grave; N. Dean Pentcheff; Shane T. Ahyong; et al. (2009). <a rel="nofollow" class="external text" href="http://rmbr.nus.edu.sg/rbz/biblio/s21/s21rbz1-109.pdf">"A classification of living and fossil genera of decapod crustaceans"</a> <span class="cs1-format">(PDF)</span>. <i><a href="/wiki/Raffles_Bulletin_of_Zoology" class="mw-redirect" title="Raffles Bulletin of Zoology">Raffles Bulletin of Zoology</a></i>. Suppl. 21: 1–109.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Raffles+Bulletin+of+Zoology&rft.atitle=A+classification+of+living+and+fossil+genera+of+decapod+crustaceans&rft.volume=Suppl.+21&rft.pages=1-109&rft.date=2009&rft.au=Sammy+De+Grave&rft.au=N.+Dean+Pentcheff&rft.au=Shane+T.+Ahyong&rft_id=http%3A%2F%2Frmbr.nus.edu.sg%2Frbz%2Fbiblio%2Fs21%2Fs21rbz1-109.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3APolychelida" class="Z3988"></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Polychelida&action=edit&section=4" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><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/12px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/24px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span> Media related to <a href="https://commons.wikimedia.org/wiki/Category:Polychelida" class="extiw" title="commons:Category:Polychelida">Polychelida</a> at Wikimedia Commons</li></ul> <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="Subgroups_of_Order_Decapoda" 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="3"><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:Decapoda" title="Template:Decapoda"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Decapoda" title="Template talk:Decapoda"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Decapoda" title="Special:EditPage/Template:Decapoda"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Subgroups_of_Order_Decapoda" style="font-size:114%;margin:0 4em">Subgroups of Order <a href="/wiki/Decapoda" class="mw-redirect" title="Decapoda">Decapoda</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="3"><div> <ul><li>Kingdom: <a href="/wiki/Animal" title="Animal">Animalia</a></li> <li>Phylum: <a href="/wiki/Arthropod" title="Arthropod">Arthropoda</a></li> <li>Class: <a href="/wiki/Malacostraca" title="Malacostraca">Malacostraca</a></li> <li>Subclass: <a href="/wiki/Eumalacostraca" title="Eumalacostraca">Eumalacostraca</a></li> <li>Superorder: <a href="/wiki/Eucarida" title="Eucarida">Eucarida</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Dendrobranchiata" title="Dendrobranchiata">Dendrobranchiata</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><a href="/wiki/Penaeoidea" title="Penaeoidea">Penaeoidea</a></li> <li><a href="/wiki/Sergestoidea" title="Sergestoidea">Sergestoidea</a></li></ul> </div></td><td class="noviewer navbox-image" rowspan="2" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/File:Litopenaeus_setiferus.png" class="mw-file-description" title="Dendrobranchiata (prawns)"><img alt="Dendrobranchiata (prawns)" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/86/Litopenaeus_setiferus.png/60px-Litopenaeus_setiferus.png" decoding="async" width="60" height="36" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/86/Litopenaeus_setiferus.png/90px-Litopenaeus_setiferus.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/86/Litopenaeus_setiferus.png/120px-Litopenaeus_setiferus.png 2x" data-file-width="248" data-file-height="150" /></a></span> <p><span typeof="mw:File"><a href="/wiki/File:Spongicola_venustus.png" class="mw-file-description" title="Stenopodidea (boxer shrimp)"><img alt="Stenopodidea (boxer shrimp)" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Spongicola_venustus.png/60px-Spongicola_venustus.png" decoding="async" width="60" height="44" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Spongicola_venustus.png/90px-Spongicola_venustus.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/64/Spongicola_venustus.png/120px-Spongicola_venustus.png 2x" data-file-width="1500" data-file-height="1100" /></a></span> <span typeof="mw:File"><a href="/wiki/File:Macrobrachium_sp.jpg" class="mw-file-description" title="Caridea (true shrimp)"><img alt="Caridea (true shrimp)" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/74/Macrobrachium_sp.jpg/60px-Macrobrachium_sp.jpg" decoding="async" width="60" height="34" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/74/Macrobrachium_sp.jpg/90px-Macrobrachium_sp.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/74/Macrobrachium_sp.jpg/120px-Macrobrachium_sp.jpg 2x" data-file-width="4691" data-file-height="2671" /></a></span> <span typeof="mw:File"><a href="/wiki/File:Panulirus_argus.png" class="mw-file-description" title="Achelata (spiny lobsters, slipper lobsters)"><img alt="Achelata (spiny lobsters, slipper lobsters)" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b5/Panulirus_argus.png/60px-Panulirus_argus.png" decoding="async" width="60" height="36" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b5/Panulirus_argus.png/90px-Panulirus_argus.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b5/Panulirus_argus.png/120px-Panulirus_argus.png 2x" data-file-width="248" data-file-height="150" /></a></span> <span typeof="mw:File"><a href="/wiki/File:Lobster_NSRW_rotated2.jpg" class="mw-file-description" title="Astacidea (lobsters, crayfish)"><img alt="Astacidea (lobsters, crayfish)" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Lobster_NSRW_rotated2.jpg/60px-Lobster_NSRW_rotated2.jpg" decoding="async" width="60" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Lobster_NSRW_rotated2.jpg/90px-Lobster_NSRW_rotated2.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Lobster_NSRW_rotated2.jpg/120px-Lobster_NSRW_rotated2.jpg 2x" data-file-width="2679" data-file-height="1802" /></a></span> <span typeof="mw:File"><a href="/wiki/File:Coenobita_variabilis.jpg" class="mw-file-description" title="Anomura (hermit crabs and others)"><img alt="Anomura (hermit crabs and others)" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Coenobita_variabilis.jpg/60px-Coenobita_variabilis.jpg" decoding="async" width="60" height="45" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Coenobita_variabilis.jpg/90px-Coenobita_variabilis.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Coenobita_variabilis.jpg/120px-Coenobita_variabilis.jpg 2x" data-file-width="800" data-file-height="597" /></a></span> </p> <span typeof="mw:File"><a href="/wiki/File:Charybdis_japonica.jpg" class="mw-file-description" title="Brachyura (crabs)"><img alt="Brachyura (crabs)" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Charybdis_japonica.jpg/60px-Charybdis_japonica.jpg" decoding="async" width="60" height="45" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Charybdis_japonica.jpg/90px-Charybdis_japonica.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Charybdis_japonica.jpg/120px-Charybdis_japonica.jpg 2x" data-file-width="1600" data-file-height="1200" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Pleocyemata" title="Pleocyemata">Pleocyemata</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/Stenopodidea" title="Stenopodidea">Stenopodidea</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><a href="/wiki/Stenopodidae" title="Stenopodidae">Stenopodidae</a></li> <li><a href="/wiki/Macromaxillocaris" title="Macromaxillocaris">Macromaxillocarididae</a></li> <li><a href="/wiki/Spongicolidae" title="Spongicolidae">Spongicolidae</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Procarididea" title="Procarididea">Procarididea</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><a href="/wiki/Procarididea" title="Procarididea">Procarididae</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Caridea" title="Caridea">Caridea</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><a href="/wiki/Alpheoidea" title="Alpheoidea">Alpheoidea</a></li> <li><a href="/wiki/Atyidae" title="Atyidae">Atyoidea</a></li> <li><a href="/wiki/Bresilioidea" title="Bresilioidea">Bresilioidea</a></li> <li><a href="/wiki/Campylonotoidea" title="Campylonotoidea">Campylonotoidea</a></li> <li><a href="/wiki/Crangonoidea" title="Crangonoidea">Crangonoidea</a></li> <li><a href="/wiki/Galatheacaridoidea" class="mw-redirect" title="Galatheacaridoidea">Galatheacaridoidea</a></li> <li><a href="/wiki/Nematocarcinoidea" title="Nematocarcinoidea">Nematocarcinoidea</a></li> <li><a href="/wiki/Oplophoroidea" class="mw-redirect" title="Oplophoroidea">Oplophoroidea</a></li> <li><a href="/wiki/Palaemonoidea" title="Palaemonoidea">Palaemonoidea</a></li> <li><a href="/wiki/Pandaloidea" title="Pandaloidea">Pandaloidea</a></li> <li><a href="/wiki/Pasiphaeoidea" class="mw-redirect" title="Pasiphaeoidea">Pasiphaeoidea</a></li> <li><a href="/wiki/Physetocaridoidea" class="mw-redirect" title="Physetocaridoidea">Physetocaridoidea</a></li> <li><a href="/wiki/Processoidea" class="mw-redirect" title="Processoidea">Processoidea</a></li> <li><a href="/wiki/Psalidopodoidea" class="mw-redirect" title="Psalidopodoidea">Psalidopodoidea</a></li> <li><a href="/wiki/Stylodactyloidea" class="mw-redirect" title="Stylodactyloidea">Stylodactyloidea</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Reptantia" title="Reptantia">Reptantia</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/Achelata" title="Achelata">Achelata</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><a href="/wiki/Spiny_lobster" title="Spiny lobster">Palinuridae</a> (inc. <a href="/wiki/Furry_lobster" title="Furry lobster">Synaxidae</a>)</li> <li><a href="/wiki/Slipper_lobster" title="Slipper lobster">Scyllaridae</a></li> <li><abbr title="Extinct" aria-label="Extinct" style="border: none; text-decoration: none; cursor: inherit; font-weight: normal; font-style: normal;">†</abbr><a href="/wiki/Cancrinos" title="Cancrinos">Cancrinidae</a></li> <li><abbr title="Extinct" aria-label="Extinct" style="border: none; text-decoration: none; cursor: inherit; font-weight: normal; font-style: normal;">†</abbr><a href="/wiki/Tricarina" title="Tricarina">Tricarinidae</a>?</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a class="mw-selflink selflink">Polychelida</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><abbr title="Extinct" aria-label="Extinct" style="border: none; text-decoration: none; cursor: inherit; font-weight: normal; font-style: normal;">†</abbr><a href="/wiki/Coleiidae" title="Coleiidae">Coleiidae</a></li> <li><abbr title="Extinct" aria-label="Extinct" style="border: none; text-decoration: none; cursor: inherit; font-weight: normal; font-style: normal;">†</abbr><a href="/wiki/Eryonidae" title="Eryonidae">Eryonidae</a></li> <li><abbr title="Extinct" aria-label="Extinct" style="border: none; text-decoration: none; cursor: inherit; font-weight: normal; font-style: normal;">†</abbr><a href="/w/index.php?title=Palaeopentachelidae&action=edit&redlink=1" class="new" title="Palaeopentachelidae (page does not exist)">Palaeopentachelidae</a></li> <li><a href="/wiki/Polychelidae" title="Polychelidae">Polychelidae</a></li> <li><abbr title="Extinct" aria-label="Extinct" style="border: none; text-decoration: none; cursor: inherit; font-weight: normal; font-style: normal;">†</abbr><a href="/wiki/Tetrachela" title="Tetrachela">Tetrachelidae</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Glypheidea" title="Glypheidea">Glypheidea</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><a href="/wiki/Glypheoidea" title="Glypheoidea">Glypheoidea</a></li> <li><abbr title="Extinct" aria-label="Extinct" style="border: none; text-decoration: none; cursor: inherit; font-weight: normal; font-style: normal;">†</abbr><a href="/wiki/Erymidae" title="Erymidae">Erymoidea</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Astacidea" title="Astacidea">Astacidea</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><a href="/wiki/Astacoidea" title="Astacoidea">Astacoidea</a></li> <li><a href="/wiki/Reef_lobster" title="Reef lobster">Enoplometopoidea</a></li> <li><a href="/wiki/Nephropoidea" title="Nephropoidea">Nephropoidea</a></li> <li><abbr title="Extinct" aria-label="Extinct" style="border: none; text-decoration: none; cursor: inherit; font-weight: normal; font-style: normal;">†</abbr><a href="/w/index.php?title=Palaeopalaemonoidea&action=edit&redlink=1" class="new" title="Palaeopalaemonoidea (page does not exist)">Palaeopalaemonoidea</a></li> <li><a href="/wiki/Parastacidae" title="Parastacidae">Parastacoidea</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Axiidea" title="Axiidea">Axiidea</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><a href="/wiki/Axiidae" title="Axiidae">Axiidae</a></li> <li><a href="/wiki/Callianassidae" title="Callianassidae">Callianassidae</a></li> <li><a href="/wiki/Callianideidae" title="Callianideidae">Callianideidae</a></li> <li><a href="/wiki/Ctenochelidae" title="Ctenochelidae">Ctenochelidae</a></li> <li><a href="/wiki/Gourretiidae" title="Gourretiidae">Gourretiidae</a></li> <li><a href="/wiki/Micheleidae" title="Micheleidae">Micheleidae</a></li> <li><a href="/wiki/Strahlaxiidae" title="Strahlaxiidae">Strahlaxiidae</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Gebiidea" title="Gebiidea">Gebiidea</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><a href="/wiki/Axianassidae" title="Axianassidae">Axianassidae</a></li> <li><a href="/wiki/Laomediidae" title="Laomediidae">Laomediidae</a></li> <li><a href="/wiki/Thalassina" title="Thalassina">Thalassinidae</a></li> <li><a href="/wiki/Upogebiidae" title="Upogebiidae">Upogebiidae</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Anomura" title="Anomura">Anomura</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><a href="/wiki/Aeglidae" title="Aeglidae">Aegloidea</a></li> <li><a href="/wiki/Chirostyloidea" title="Chirostyloidea">Chirostyloidea</a></li> <li>†<a href="/wiki/Eocarcinoidea" title="Eocarcinoidea">Eocarcinoidea</a></li> <li><a href="/wiki/Galatheoidea" title="Galatheoidea">Galatheoidea</a></li> <li><a href="/wiki/Hippoidea" title="Hippoidea">Hippoidea</a></li> <li><a href="/wiki/King_crab" title="King crab">Lithodoidea</a></li> <li><a href="/wiki/Hairy_stone_crab" title="Hairy stone crab">Lomisoidea</a></li> <li><a href="/wiki/Hermit_crab" title="Hermit crab">Paguroidea</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Crab" title="Crab">Brachyura</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 <a href="/wiki/Template:Brachyura" title="Template:Brachyura">Brachyura</a></li></ul></li></ul> </div></td></tr></tbody></table><div></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_identifiers" 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_identifiers" 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>Polychelida</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/Q1468386" class="extiw" title="wikidata:Q1468386">Q1468386</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/Polychelida" class="extiw" title="wikispecies:Polychelida">Polychelida</a></span></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Australian_Faunal_Directory" title="Australian Faunal Directory">AFD</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://biodiversity.org.au/afd/taxa/Polychelida">Polychelida</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Encyclopedia_of_Life" title="Encyclopedia of Life">EoL</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://eol.org/pages/46516675">46516675</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/INaturalist" title="INaturalist">iNaturalist</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://inaturalist.org/taxa/342929">342929</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Integrated_Taxonomic_Information_System" title="Integrated Taxonomic Information System">ITIS</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=1147563">1147563</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/National_Biodiversity_Network" title="National Biodiversity Network">NBN</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://data.nbn.org.uk/Taxa/NHMSYS0021049554">NHMSYS0021049554</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/National_Center_for_Biotechnology_Information" title="National Center for Biotechnology Information">NCBI</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&id=526239">526239</a></span></span></li> <li><span style="white-space:nowrap;">NZOR: <span class="uid"><a rel="nofollow" class="external text" href="https://www.nzor.org.nz/names/aab36567-c61a-4869-bdce-d979ee060166">aab36567-c61a-4869-bdce-d979ee060166</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=878634">878634</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=210728">210728</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/World_Register_of_Marine_Species" title="World Register of Marine Species">WoRMS</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://www.marinespecies.org/aphia.php?p=taxdetails&id=383015">383015</a></span></span></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" 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=Polychelida&oldid=1220666619">https://en.wikipedia.org/w/index.php?title=Polychelida&oldid=1220666619</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:Polychelida" title="Category:Polychelida">Polychelida</a></li><li><a href="/wiki/Category:Arthropod_infraorders" title="Category:Arthropod infraorders">Arthropod infraorders</a></li><li><a href="/wiki/Category:Extant_Late_Triassic_first_appearances" title="Category:Extant Late Triassic first appearances">Extant Late Triassic first appearances</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:_long_volume_value" title="Category:CS1: long volume value">CS1: long volume value</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_matches_Wikidata" title="Category:Short description matches Wikidata">Short description matches Wikidata</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:Articles_containing_German-language_text" title="Category:Articles containing German-language text">Articles containing German-language text</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 25 April 2024, at 05:12<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=Polychelida&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"><img src="/static/images/footer/wikimedia-button.svg" width="84" height="29" alt="Wikimedia Foundation" loading="lazy"></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"><img src="/w/resources/assets/poweredby_mediawiki.svg" alt="Powered by MediaWiki" width="88" height="31" loading="lazy"></a></li> </ul> </footer> </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-6b8d669998-cxh9p","wgBackendResponseTime":152,"wgPageParseReport":{"limitreport":{"cputime":"0.788","walltime":"1.298","ppvisitednodes":{"value":17024,"limit":1000000},"postexpandincludesize":{"value":154486,"limit":2097152},"templateargumentsize":{"value":22486,"limit":2097152},"expansiondepth":{"value":24,"limit":100},"expensivefunctioncount":{"value":11,"limit":500},"unstrip-depth":{"value":1,"limit":20},"unstrip-size":{"value":62918,"limit":5000000},"entityaccesscount":{"value":11,"limit":400},"timingprofile":["100.00% 1203.226 1 -total"," 40.32% 485.165 1 Template:Automatic_Taxobox"," 11.50% 138.421 12 Template:Clade"," 11.09% 133.479 1 Template:Reflist"," 10.18% 122.477 1 Template:Decapoda"," 8.79% 105.748 1 Template:Lang"," 8.69% 104.563 1 Template:Taxonbar"," 8.49% 102.188 4 Template:Cite_journal"," 8.38% 100.813 1 Template:Fossil_range"," 7.60% 91.430 3 Template:Navbox"]},"scribunto":{"limitreport-timeusage":{"value":"0.558","limit":"10.000"},"limitreport-memusage":{"value":19203957,"limit":52428800}},"cachereport":{"origin":"mw-web.eqiad.main-5695644f9d-hf2sh","timestamp":"20241128031100","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"Polychelida","url":"https:\/\/en.wikipedia.org\/wiki\/Polychelida","sameAs":"http:\/\/www.wikidata.org\/entity\/Q1468386","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q1468386","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":"2009-11-28T13:00:59Z","dateModified":"2024-04-25T05:12:19Z","image":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/7\/7e\/Polycheles_sculptus_MNHN.jpg","headline":"infraorder of crustaceans"}</script> </body> </html>