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href="https://ca.wikipedia.org/wiki/Critosaure" title="Critosaure – Catalan" lang="ca" hreflang="ca" data-title="Critosaure" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Kritosaurus" title="Kritosaurus – Czech" lang="cs" hreflang="cs" data-title="Kritosaurus" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Kritosaurus" title="Kritosaurus – German" lang="de" hreflang="de" data-title="Kritosaurus" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Kritosaurus_navajovius" title="Kritosaurus navajovius – Spanish" lang="es" hreflang="es" data-title="Kritosaurus navajovius" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DA%A9%D8%B1%DB%8C%D8%AA%D9%88%D8%B3%D9%88%D8%B1" title="کریتوسور – Persian" lang="fa" hreflang="fa" data-title="کریتوسور" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Kritosaurus" title="Kritosaurus – French" lang="fr" hreflang="fr" data-title="Kritosaurus" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%ED%81%AC%EB%A6%AC%ED%86%A0%EC%82%AC%EC%9A%B0%EB%A3%A8%EC%8A%A4" title="크리토사우루스 – Korean" lang="ko" hreflang="ko" data-title="크리토사우루스" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Kritosaurus" title="Kritosaurus – Italian" lang="it" hreflang="it" data-title="Kritosaurus" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A7%D7%A8%D7%99%D7%98%D7%95%D7%96%D7%90%D7%95%D7%A8%D7%95%D7%A1" title="קריטוזאורוס – Hebrew" lang="he" hreflang="he" data-title="קריטוזאורוס" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Kritosaurus" title="Kritosaurus – Lithuanian" lang="lt" hreflang="lt" data-title="Kritosaurus" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Kritosaurus" title="Kritosaurus – Hungarian" lang="hu" hreflang="hu" data-title="Kritosaurus" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Kritosaurus" title="Kritosaurus – Dutch" lang="nl" hreflang="nl" data-title="Kritosaurus" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%AF%E3%83%AA%E3%83%88%E3%82%B5%E3%82%A6%E3%83%AB%E3%82%B9" title="クリトサウルス – Japanese" lang="ja" hreflang="ja" data-title="クリトサウルス" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pl badge-Q17437798 badge-goodarticle mw-list-item" title="good article badge"><a href="https://pl.wikipedia.org/wiki/Kritozaur" title="Kritozaur – Polish" lang="pl" hreflang="pl" data-title="Kritozaur" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Kritosaurus" title="Kritosaurus – Portuguese" lang="pt" hreflang="pt" data-title="Kritosaurus" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9A%D1%80%D0%B8%D1%82%D0%BE%D0%B7%D0%B0%D0%B2%D1%80" title="Критозавр – Russian" lang="ru" hreflang="ru" data-title="Критозавр" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Kritosaurus" title="Kritosaurus – Swedish" lang="sv" hreflang="sv" data-title="Kritosaurus" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Kritosaurus" title="Kritosaurus – Turkish" lang="tr" hreflang="tr" data-title="Kritosaurus" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9A%D1%80%D0%B8%D1%82%D0%BE%D0%B7%D0%B0%D0%B2%D1%80" title="Критозавр – Ukrainian" lang="uk" hreflang="uk" data-title="Критозавр" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Kritosaurus" title="Kritosaurus – Vietnamese" lang="vi" hreflang="vi" data-title="Kritosaurus" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%88%86%E7%A6%BB%E9%BE%99%E5%B1%9E" title="分离龙属 – Chinese" lang="zh" hreflang="zh" data-title="分离龙属" data-language-autonym="中文" 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text-align: center; background-color: rgb(235,235,210)"><i>Kritosaurus</i><br /><div style="font-size: 85%;">Temporal range: <a href="/wiki/Late_Cretaceous" title="Late Cretaceous">Late Cretaceous</a>, <span class="noprint"><span style="display:inline-block;"></span><span style="display:inline-block;">74.5–66 <a href="/wiki/Megaannum" class="mw-redirect" title="Megaannum">Ma</a></span> <span style="display:inline-block;"></span><div id="Timeline-row" style="margin: 4px auto 0; clear:both; width:220px; padding:0px; height:18px; overflow:visible; white-space:nowrap; border:1px #666; border-style:solid none; position:relative; z-index:0; font-size:97%;"> <div style="position:absolute; height:100%; left:0px; width:207.23076923077px; padding-left:5px; text-align:left; background-color:rgb(254,217,106); background-image: linear-gradient(to right, rgba(255,255,255,1), rgba(254,217,106,1) 15%, rgba(254,217,106,1));"><a href="/wiki/Precambrian" title="Precambrian">PreꞒ</a></div> <div style="position:absolute; height:100%; text-align:center; background-color:rgb(127,160,86); left:37.636923076923px; width: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:194.78461538462px; width:2.8769230769231px; background-color:#360; opacity:0.42;"></div> <div style="position:absolute; height:8px; left:194.78461538462px; width:2.8769230769231px; background-color:#360; opacity:1;"></div> <div style="position:absolute; height:6px; top:1px; left:195.78461538462px; width:0.87692307692308px; 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:Kritosaurus.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Kritosaurus.jpg/220px-Kritosaurus.jpg" decoding="async" width="220" height="166" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Kritosaurus.jpg/330px-Kritosaurus.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Kritosaurus.jpg/440px-Kritosaurus.jpg 2x" data-file-width="1292" data-file-height="972" /></a></span> </td></tr> <tr> <td colspan="2" style="text-align: center; font-size: 88%"><i>K. navajovius</i> <a href="/wiki/Holotype" title="Holotype">holotype</a> skull, <a href="/wiki/AMNH" class="mw-redirect" title="AMNH">AMNH</a> </td></tr> <tr> <th colspan="2" style="color:inherit; min-width:15em; text-align: center; background-color: rgb(235,235,210)"><a href="/wiki/Taxonomy_(biology)" title="Taxonomy (biology)">Scientific classification</a> <span class="plainlinks taxobox-edit-taxonomy skin-invert" style="font-size:smaller; float:right; padding-right:0.4em; margin-left:-3em;"><span typeof="mw:File"><a href="/wiki/Template:Taxonomy/Kritosaurus" title="Edit this classification"><img alt="Edit this classification" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr.svg/15px-OOjs_UI_icon_edit-ltr.svg.png" decoding="async" width="15" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr.svg/23px-OOjs_UI_icon_edit-ltr.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr.svg/30px-OOjs_UI_icon_edit-ltr.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span> </th></tr> <tr> <td>Domain: </td> <td><a href="/wiki/Eukaryote" title="Eukaryote">Eukaryota</a> </td></tr> <tr> <td>Kingdom: </td> <td><a href="/wiki/Animal" title="Animal">Animalia</a> </td></tr> <tr> <td>Phylum: </td> <td><a href="/wiki/Chordate" title="Chordate">Chordata</a> </td></tr> <tr> <td><i>Clade</i>: </td> <td><a href="/wiki/Dinosaur" title="Dinosaur">Dinosauria</a> </td></tr> <tr> <td><i>Clade</i>: </td> <td><span style="font-style:normal;font-weight:normal;">†</span><a href="/wiki/Ornithischia" title="Ornithischia">Ornithischia</a> </td></tr> <tr> <td><i>Clade</i>: </td> <td><span style="font-style:normal;font-weight:normal;">†</span><a href="/wiki/Neornithischia" title="Neornithischia">Neornithischia</a> </td></tr> <tr> <td><i>Clade</i>: </td> <td><span style="font-style:normal;font-weight:normal;">†</span><a href="/wiki/Ornithopoda" title="Ornithopoda">Ornithopoda</a> </td></tr> <tr> <td>Family: </td> <td><span style="font-style:normal;font-weight:normal;">†</span><a href="/wiki/Hadrosauridae" title="Hadrosauridae">Hadrosauridae</a> </td></tr> <tr> <td>Subfamily: </td> <td><span style="font-style:normal;font-weight:normal;">†</span><a href="/wiki/Saurolophinae" title="Saurolophinae">Saurolophinae</a> </td></tr> <tr> <td>Tribe: </td> <td><span style="font-style:normal;font-weight:normal;">†</span><a href="/wiki/Kritosaurini" class="mw-redirect" title="Kritosaurini">Kritosaurini</a> </td></tr> <tr> <td>Genus: </td> <td><span style="font-style:normal;font-weight:normal;">†</span><a class="mw-selflink selflink"><i>Kritosaurus</i></a><br /><small><a href="/wiki/Barnum_Brown" title="Barnum Brown">Brown</a>, 1910</small> </td></tr> <tr> <th colspan="2" style="color:inherit; text-align: center; background-color: rgb(235,235,210)"><a href="/wiki/Type_species" title="Type species">Type species</a> </th></tr> <tr> <td colspan="2" style="text-align: center"><abbr title="Extinct" aria-label="Extinct" style="border: none; text-decoration: none; cursor: inherit; font-weight: normal; font-style: normal;">†</abbr><i><b>Kritosaurus navajovius</b></i><br /><div style="font-size: 85%;">Brown, 1910</div> </td></tr> <tr> <th colspan="2" style="color:inherit; text-align: center; background-color: rgb(235,235,210)"><a href="/wiki/Species" title="Species">Species</a> </th></tr> <tr> <td colspan="2" style="text-align: left"> <p><abbr title="Extinct" aria-label="Extinct" style="border: none; text-decoration: none; cursor: inherit; font-weight: normal; font-style: normal;">†</abbr><i>K. navajovius</i> <small><a href="/wiki/Barnum_Brown" title="Barnum Brown">Brown</a>, 1910</small><br /> <abbr title="Extinct" aria-label="Extinct" style="border: none; text-decoration: none; cursor: inherit; font-weight: normal; font-style: normal;">†</abbr><i><a href="/wiki/Anasazisaurus" title="Anasazisaurus">K. horneri</a></i>? <small>Hunt & <a href="/wiki/Spencer_G._Lucas" title="Spencer G. Lucas">Lucas</a>, 1993</small> </p> </td></tr> <tr> <th colspan="2" style="color:inherit; text-align: center; background-color: rgb(235,235,210)"><a href="/wiki/Synonym_(taxonomy)" title="Synonym (taxonomy)">Synonyms</a> </th></tr> <tr> <td colspan="2" style="text-align: left"> <p><i><a href="/wiki/Anasazisaurus" title="Anasazisaurus">Anasazisaurus</a></i>? <small>Hunt & Lucas, 1993</small> </p> </td></tr> </tbody></table><style data-mw-deduplicate="TemplateStyles:r1238732961">@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox.biota tr{background:transparent!important}html.skin-theme-clientpref-night .mw-parser-output .infobox.biota img{background:transparent}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox.biota tr{background:transparent!important}html.skin-theme-clientpref-os .mw-parser-output .infobox.biota img{background:white}}.mw-parser-output .infobox.biota .taxobox-edit-taxonomy img{background:transparent!important}body.skin-vector .mw-parser-output table.biota.infobox{margin-top:0.5em}body.skin--responsive .mw-parser-output table.biota.infobox tr.taxonrow td{padding:2px 10px}</style> <p><i><b>Kritosaurus</b></i> is an incompletely known <a href="/wiki/Genus" title="Genus">genus</a> of <a href="/wiki/Hadrosaurid" class="mw-redirect" title="Hadrosaurid">hadrosaurid</a> (duck-billed) <a href="/wiki/Dinosaur" title="Dinosaur">dinosaur</a>. It lived about 74.5-66 million years ago, in the <a href="/wiki/Late_Cretaceous" title="Late Cretaceous">Late Cretaceous</a> of <a href="/wiki/North_America" title="North America">North America</a>. The name means "separated lizard" (referring to the arrangement of the cheek bones in an incomplete <a href="/wiki/Type_(biology)" title="Type (biology)">type</a> skull), but is often mistranslated as "noble lizard" in reference to the presumed "<a href="/wiki/Hooknose" class="mw-redirect" title="Hooknose">Roman nose</a>" <sup id="cite_ref-BC07_1-0" class="reference"><a href="#cite_note-BC07-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> (in the original specimen, the nasal region was fragmented and disarticulated, and was originally restored flat). </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="History_of_discovery">History of discovery</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Kritosaurus&action=edit&section=1" title="Edit section: History of discovery"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Kritosaurus_Brown_original.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Kritosaurus_Brown_original.jpg/220px-Kritosaurus_Brown_original.jpg" decoding="async" width="220" height="114" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Kritosaurus_Brown_original.jpg/330px-Kritosaurus_Brown_original.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Kritosaurus_Brown_original.jpg/440px-Kritosaurus_Brown_original.jpg 2x" data-file-width="3165" data-file-height="1645" /></a><figcaption><a href="/wiki/Barnum_Brown" title="Barnum Brown">Barnum Brown</a>'s initial flatheaded reconstruction of the skull of <i>K. navajovius</i>, 1910</figcaption></figure> <p>In 1904, <a href="/wiki/Barnum_Brown" title="Barnum Brown">Barnum Brown</a> discovered the <a href="/wiki/Holotype" title="Holotype">type</a> specimen (<a href="/wiki/American_Museum_of_Natural_History" title="American Museum of Natural History">AMNH</a> 5799) of <i>Kritosaurus</i> near the <a href="/wiki/Ojo_Alamo_Formation" title="Ojo Alamo Formation">Ojo Alamo Formation</a>, <a href="/wiki/San_Juan_County,_New_Mexico" title="San Juan County, New Mexico">San Juan County</a>, <a href="/wiki/New_Mexico" title="New Mexico">New Mexico</a>, <a href="/wiki/United_States" title="United States">United States</a>, while following up on a previous expedition.<sup id="cite_ref-BB10_2-0" class="reference"><a href="#cite_note-BB10-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> He initially could not definitely correlate the <a href="/wiki/Stratigraphy" title="Stratigraphy">stratigraphy</a>, but by 1916 was able to establish it as from what is now known as the <a href="/wiki/Campanian" title="Campanian">late Campanian</a>-age De-na-zin Member of the <a href="/wiki/Kirtland_Formation" title="Kirtland Formation">Kirtland Formation</a>.<sup id="cite_ref-CWG16_3-0" class="reference"><a href="#cite_note-CWG16-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-TEW00_4-0" class="reference"><a href="#cite_note-TEW00-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> When discovered, much of the front of the skull had either eroded or fragmented, and Brown reconstructed this portion after what is now called <i><a href="/wiki/Edmontosaurus" title="Edmontosaurus">Edmontosaurus</a></i>, leaving out many fragments.<sup id="cite_ref-BB10_2-1" class="reference"><a href="#cite_note-BB10-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> However, he had noticed that something was different about the fragments, but ascribed the differences to crushing.<sup id="cite_ref-SG14_5-0" class="reference"><a href="#cite_note-SG14-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> He initially wanted to name it <i><a href="/wiki/Nectosaurus" title="Nectosaurus">Nectosaurus</a></i>, but found out that this name was already in use; <a href="/wiki/Jan_Versluys" title="Jan Versluys">Jan Versluys</a>, who had visited Brown before the change, inadvertently leaked the previous choice.<sup id="cite_ref-GO99_6-0" class="reference"><a href="#cite_note-GO99-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> He kept the specific name, though, leading to the combination <i>K. navajovius</i>. </p><p>The 1914 publication of the arch-snouted Canadian genus <i>Gryposaurus</i><sup id="cite_ref-LL14_7-0" class="reference"><a href="#cite_note-LL14-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> changed Brown's mind about the anatomy of his dinosaur's snout. Going back through the fragments, he revised the previous reconstruction and gave it a <i>Gryposaurus</i>-like arched <a href="/wiki/Nasal_bone" title="Nasal bone">nasal</a> crest.<sup id="cite_ref-SG14_5-1" class="reference"><a href="#cite_note-SG14-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> He also synonymized <i>Gryposaurus</i> with <i>Kritosaurus</i>,<sup id="cite_ref-BB14_8-0" class="reference"><a href="#cite_note-BB14-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> a move supported by <a href="/wiki/Charles_Whitney_Gilmore" class="mw-redirect" title="Charles Whitney Gilmore">Charles Gilmore</a>.<sup id="cite_ref-CWG16_3-1" class="reference"><a href="#cite_note-CWG16-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> This synonymy was used through the 1920s (<a href="/wiki/William_Parks_(paleontologist)" title="William Parks (paleontologist)">William Parks</a>'s designation of a <a href="/wiki/Canada" title="Canada">Canadian</a> species as <i><a href="/wiki/Kritosaurus_incurvimanus" class="mw-redirect" title="Kritosaurus incurvimanus">Kritosaurus incurvimanus</a></i>,<sup id="cite_ref-WAP20_9-0" class="reference"><a href="#cite_note-WAP20-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> now considered a synonym of <i>Gryposaurus notabilis</i><sup id="cite_ref-APM10_10-0" class="reference"><a href="#cite_note-APM10-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup>) and became standard after the publication of <a href="/wiki/Richard_Swann_Lull" title="Richard Swann Lull">Richard Swann Lull</a> and <a href="/w/index.php?title=Nelda_Wright&action=edit&redlink=1" class="new" title="Nelda Wright (page does not exist)">Nelda Wright</a>'s 1942 <a href="/wiki/Monograph" title="Monograph">monograph</a> on North American hadrosaurids.<sup id="cite_ref-LW42b_11-0" class="reference"><a href="#cite_note-LW42b-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> From this time until 1990, <i>Kritosaurus</i> would be composed of at least the <a href="/wiki/Type_species" title="Type species">type species</a> <i>K. navajovius</i>, <i>K. incurvimanus</i>, and <i>K. notabilis</i>, the former type species of <i>Gryposaurus</i>. The poorly known species <i><a href="/wiki/Hadrosaurus" title="Hadrosaurus">Hadrosaurus breviceps</a></i> (<a href="/wiki/Othniel_Charles_Marsh" title="Othniel Charles Marsh">Marsh</a>, 1889),<sup id="cite_ref-OCM89_12-0" class="reference"><a href="#cite_note-OCM89-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> known from a <a href="/wiki/Dentary" class="mw-redirect" title="Dentary">dentary</a> from the Campanian-age <a href="/wiki/Judith_River_Formation" title="Judith River Formation">Judith River Formation</a> of <a href="/wiki/Montana" title="Montana">Montana</a>, was also assigned to <i>Kritosaurus</i> by Lull and Wright,<sup id="cite_ref-LW42b_11-1" class="reference"><a href="#cite_note-LW42b-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> but this is no longer accepted.<sup id="cite_ref-HWF04_13-0" class="reference"><a href="#cite_note-HWF04-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-PMWH06_14-0" class="reference"><a href="#cite_note-PMWH06-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p><p>By the late 1970s and early 1980s, <i><a href="/wiki/Hadrosaurus" title="Hadrosaurus">Hadrosaurus</a></i> had entered the discussion as a possible synonym of either <i>Kritosaurus</i>, <i>Gryposaurus</i>, or both, particularly in semi-technical "dinosaur dictionaries".<sup id="cite_ref-DFG82_15-0" class="reference"><a href="#cite_note-DFG82-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-DL83_16-0" class="reference"><a href="#cite_note-DL83-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> <a href="/wiki/David_B._Norman" title="David B. Norman">David B. Norman</a>'s <i>The Illustrated Encyclopedia of Dinosaurs</i>, uses <i>Kritosaurus</i> for the Canadian material (<i>Gryposaurus</i>), but identifies the mounted skeleton of <i>K. incurvimanus</i> as <i>Hadrosaurus</i>.<sup id="cite_ref-DBN85_17-0" class="reference"><a href="#cite_note-DBN85-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> </p><p>The synonymization of <i>Kritosaurus</i> and <i>Gryposaurus</i> that lasted from the 1910s to 1990 led to a distorted picture of what the original <i>Kritosaurus</i> material represented. Because the Canadian material was much more complete, most representations and discussions of <i>Kritosaurus</i> from the 1920s to 1990 are actually more applicable to <i>Gryposaurus</i>. This includes, for example, James Hopson's discussion of hadrosaur cranial ornamentation,<sup id="cite_ref-JAH75_18-0" class="reference"><a href="#cite_note-JAH75-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> and the adaptation of this for the public in <i>The Illustrated Encyclopedia of Dinosaurs</i>.<sup id="cite_ref-DBN85b_19-0" class="reference"><a href="#cite_note-DBN85b-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Formerly_assigned_species_and_material">Formerly assigned species and material</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Kritosaurus&action=edit&section=2" title="Edit section: Formerly assigned species and material"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In 1984, <a href="/wiki/Argentina" title="Argentina">Argentine</a> <a href="/wiki/Paleontologist" class="mw-redirect" title="Paleontologist">paleontologist</a> <a href="/wiki/Jos%C3%A9_Bonaparte" title="José Bonaparte">José Bonaparte</a> and colleagues named <i><a href="/wiki/Kritosaurus_australis" class="mw-redirect" title="Kritosaurus australis">Kritosaurus australis</a></i> for hadrosaur bones from the late Campanian-<a href="/wiki/Maastrichtian" title="Maastrichtian">early Maastrichtian</a> <a href="/wiki/Los_Alamitos_Formation" title="Los Alamitos Formation">Los Alamitos Formation</a> of <a href="/wiki/Rio_Negro_Province" class="mw-redirect" title="Rio Negro Province">Rio Negro</a>, <a href="/wiki/Patagonia" title="Patagonia">Patagonia</a>, <a href="/wiki/Argentina" title="Argentina">Argentina</a>.<sup id="cite_ref-JBetal84_20-0" class="reference"><a href="#cite_note-JBetal84-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> In 2010, this species was thought to be a synonym of <i><a href="/wiki/Secernosaurus" title="Secernosaurus">Secernosaurus koerneri</a></i>.<sup id="cite_ref-AMGS10_21-0" class="reference"><a href="#cite_note-AMGS10-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> Further analysis proved the bones to belong to a new genus. Thus, <i><a href="/wiki/Huallasaurus" title="Huallasaurus">Huallasaurus</a></i> was named by Rozadilla <i>et al.</i> (2022).<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> </p><p>In 1990, <a href="/wiki/Jack_Horner_(paleontologist)" title="Jack Horner (paleontologist)">Jack Horner</a> and <a href="/wiki/David_B._Weishampel" title="David B. Weishampel">David B. Weishampel</a> once again separated <i>Gryposaurus</i>, citing the uncertainty associated with the latter's partial skull. Horner in 1992 described two more skulls from New Mexico that he claimed belonged to <i>Kritosaurus</i> and showed that it was quite different from <i>Gryposaurus</i>,<sup id="cite_ref-JRH92_23-0" class="reference"><a href="#cite_note-JRH92-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> but the following year <a href="/w/index.php?title=Adrian_Hunt&action=edit&redlink=1" class="new" title="Adrian Hunt (page does not exist)">Adrian Hunt</a> and <a href="/wiki/Spencer_G._Lucas" title="Spencer G. Lucas">Spencer G. Lucas</a> put each skull in its own genus, creating <i><a href="/wiki/Anasazisaurus" title="Anasazisaurus">Anasazisaurus</a></i> and <i><a href="/wiki/Naashoibitosaurus" title="Naashoibitosaurus">Naashoibitosaurus</a></i>.<sup id="cite_ref-HL93_24-0" class="reference"><a href="#cite_note-HL93-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> </p><p><a href="/w/index.php?title=Adrian_Hunt&action=edit&redlink=1" class="new" title="Adrian Hunt (page does not exist)">Adrian Hunt</a> and <a href="/wiki/Spencer_G._Lucas" title="Spencer G. Lucas">Spencer G. Lucas</a>, <a href="/wiki/United_States" title="United States">American</a> <a href="/wiki/Paleontologist" class="mw-redirect" title="Paleontologist">paleontologists</a>, named <i><a href="/wiki/Anasazisaurus_horneri" class="mw-redirect" title="Anasazisaurus horneri">Anasazisaurus horneri</a></i> in 1993. The name was derived from the <a href="/wiki/Anasazi" class="mw-redirect" title="Anasazi">Anasazi</a>, an ancient <a href="/wiki/Indigenous_peoples_of_the_Americas" title="Indigenous peoples of the Americas">Native American</a> people, and the <a href="/wiki/Ancient_Greek" title="Ancient Greek">Greek</a> word <i>sauros</i> ("lizard"). The Anasazi were famous for their <a href="/wiki/Cliff-dwelling" class="mw-redirect" title="Cliff-dwelling">cliff-dwellings</a>, such as those in <a href="/wiki/Chaco_Culture_National_Historical_Park" title="Chaco Culture National Historical Park">Chaco Canyon</a>, near the location of <a href="/wiki/Fossil" title="Fossil">fossil</a> <i>Anasazisaurus</i> remains. The term "Anasazi" itself is actually a <a href="/wiki/Navajo_language" title="Navajo language">Navajo language</a> word, <i>anaasází</i> ("enemy ancestors"). The species was named in honor of <a href="/wiki/Jack_Horner_(paleontologist)" title="Jack Horner (paleontologist)">Jack Horner</a>, the American paleontologist who first described the skull in 1992. The <a href="/wiki/Holotype" title="Holotype">holotype</a> skull (and only known specimen) was collected in the late 1970s by a <a href="/wiki/Brigham_Young_University" title="Brigham Young University">Brigham Young University</a> field party working in <a href="/wiki/San_Juan_County,_New_Mexico" title="San Juan County, New Mexico">San Juan County</a>, and is housed at BYU as BYU 12950.<sup id="cite_ref-HL93_24-1" class="reference"><a href="#cite_note-HL93-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> </p><p>In 2002, specimen TxVP 41917-1, a partial left <a href="/wiki/Maxilla" title="Maxilla">maxilla</a> recovered from Bruja Canyon in <a href="/wiki/Big_Bend_National_Park" title="Big Bend National Park">Big Bend National Park</a>, was assigned to <i>Kritosaurus</i>, as <i>cf. K. navajovius</i>. Twenty years later, it was discovered to contain a number of useful diagnostic traits that allow it to be <a href="/wiki/Species_description" title="Species description">described</a> as a new taxon, and thus <i><a href="/wiki/Malefica" title="Malefica">Malefica</a></i> was named by Prieto-Márquez and Wagner (2023).<sup id="cite_ref-Malefica_25-0" class="reference"><a href="#cite_note-Malefica-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Kritosaurus_Sabinosaurio.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/28/Kritosaurus_Sabinosaurio.jpg/220px-Kritosaurus_Sabinosaurio.jpg" decoding="async" width="220" height="108" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/28/Kritosaurus_Sabinosaurio.jpg/330px-Kritosaurus_Sabinosaurio.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/28/Kritosaurus_Sabinosaurio.jpg/440px-Kritosaurus_Sabinosaurio.jpg 2x" data-file-width="3200" data-file-height="1572" /></a><figcaption>Unnamed specimen from the Sabinas Basin in Mexico, assigned to <i>Kritosaurus sp.</i> by Kirkland <i>et al.</i> (2006)<sup id="cite_ref-JIKetal06_26-0" class="reference"><a href="#cite_note-JIKetal06-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> but considered an indeterminate <a href="/wiki/Saurolophine" class="mw-redirect" title="Saurolophine">saurolophine</a> by Prieto-Márquez (2013).<sup id="cite_ref-APM2013_27-0" class="reference"><a href="#cite_note-APM2013-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> The specimen is informally known as "Sabinosaurus".<sup id="cite_ref-:0_28-0" class="reference"><a href="#cite_note-:0-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup></figcaption></figure> <p>Horner originally assigned the <i>Anasazisaurus</i> skull to <i>Kritosaurus navajovius</i>,<sup id="cite_ref-JRH92_23-1" class="reference"><a href="#cite_note-JRH92-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> but Hunt and Lucas could not find any diagnostic features in the limited material of <i>Kritosaurus</i> and judged the genus to be a <i><a href="/wiki/Nomen_dubium" title="Nomen dubium">nomen dubium</a></i>. Since the <i>Anasazisaurus</i> skull did have diagnostic features of its own, and did not appear to them to share any unique features with <i>Kritosaurus</i>, it was given the new name <i>Anasazisaurus horneri</i>,<sup id="cite_ref-HL93_24-2" class="reference"><a href="#cite_note-HL93-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> an opinion which was supported by some later authors.<sup id="cite_ref-HWF04_13-1" class="reference"><a href="#cite_note-HWF04-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> Not all authors have agreed with this, <a href="/w/index.php?title=Thomas_E._Williamson&action=edit&redlink=1" class="new" title="Thomas E. Williamson (page does not exist)">Thomas E. Williamson</a> in particular defending Horner's original interpretation,<sup id="cite_ref-TEW00_4-1" class="reference"><a href="#cite_note-TEW00-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> and several subsequent studies recognized both distinct genera.<sup id="cite_ref-JIKetal06_26-1" class="reference"><a href="#cite_note-JIKetal06-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-SGLetal06_29-0" class="reference"><a href="#cite_note-SGLetal06-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> </p><p>A comprehensive study of known <i>Kritosaurus</i> material published by Albert Prieto-Márquez in 2013 upheld the status of <i>Naashoibitosaurus</i> as a distinct genus, but found that the type specimens of <i>Kritosaurus</i> and <i>Anasazisaurus</i> were indistinguishable when comparing overlapping elements (i.e. only those bones preserved in both specimens). Prieto-Márquez therefore regarded <i>Anasazisaurus</i> as a synonym of <i>Kritosaurus</i>, but retained it as the distinct species <i>K. horneri</i>.<sup id="cite_ref-APM2013_27-1" class="reference"><a href="#cite_note-APM2013-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> </p><p>A partial skeleton from the Sabinas Basin in Mexico was described as <i>Kritosaurus</i> sp. by Jim Kirkland and colleagues,<sup id="cite_ref-JIKetal06_26-2" class="reference"><a href="#cite_note-JIKetal06-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> but considered an indeterminate saurolophine by Prieto-Márquez (2013).<sup id="cite_ref-APM2013_27-2" class="reference"><a href="#cite_note-APM2013-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> This skeleton is about 20% larger than other known specimens, around 11 meters [36 ft] long, and with a distinctively curved <a href="/wiki/Ischium" title="Ischium">ischium</a>, and represents one of the largest known well-documented North American saurolophines. Unfortunately, the nasal bones are also incomplete in the skull remains from this material.<sup id="cite_ref-JIKetal06_26-3" class="reference"><a href="#cite_note-JIKetal06-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> The informal name "Sabinosaurus" has been given to the specimen.<sup id="cite_ref-:0_28-1" class="reference"><a href="#cite_note-:0-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> </p><p>A possibly second but confirmed to be valid species of <i>Kritosaurus</i> may have lived in the <a href="/wiki/Javelina_Formation" title="Javelina Formation">Javelina Formation</a> alongside <i>Kritosaurus navajovius</i>.<sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-31" class="reference"><a href="#cite_note-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Description">Description</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Kritosaurus&action=edit&section=3" title="Edit section: Description"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Kritosaurus_Scale.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/91/Kritosaurus_Scale.svg/220px-Kritosaurus_Scale.svg.png" decoding="async" width="220" height="100" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/91/Kritosaurus_Scale.svg/330px-Kritosaurus_Scale.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/91/Kritosaurus_Scale.svg/440px-Kritosaurus_Scale.svg.png 2x" data-file-width="3354" data-file-height="1517" /></a><figcaption>Size comparison</figcaption></figure> <p>The type specimen of <i>Kritosaurus navajovius</i> is only represented by a partial skull and lower jaws, and associated <a href="/wiki/Postcrania" class="mw-redirect" title="Postcrania">postcranial</a> remains.<sup id="cite_ref-HWF04_13-2" class="reference"><a href="#cite_note-HWF04-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> The greater portion of the muzzle and <a href="/wiki/Premaxilla" title="Premaxilla">upper beak</a> are missing.<sup id="cite_ref-JIKetal06_26-4" class="reference"><a href="#cite_note-JIKetal06-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> However, these remains alone indicate a large body size, reaching 9 metres (30 ft) in length and 4 metric tons (4.4 short tons) in body mass.<sup id="cite_ref-32" class="reference"><a href="#cite_note-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-33" class="reference"><a href="#cite_note-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> </p><p>The length of the skull is estimated at 87 cm (34 in) from the tip of the upper beak to the base of the <a href="/wiki/Quadrate_bone" title="Quadrate bone">quadrate</a> that articulates with the lower jaw at the back of the skull.<sup id="cite_ref-LW42a_34-0" class="reference"><a href="#cite_note-LW42a-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> Based on the skull originally referred to <i>Anasazisaurus</i>, the form of the complete crest is that of a tab or flange of bone, from the nasals, that rises between and above the eyes and folds back under itself. This unique crest allows it to be distinguished from similar hadrosaurs, like <i><a href="/wiki/Gryposaurus" title="Gryposaurus">Gryposaurus</a></i>.<sup id="cite_ref-JRH92_23-2" class="reference"><a href="#cite_note-JRH92-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> The top of the crest is roughened, and the maximum preserved length of the skull could reach 90 cm (35 in).<sup id="cite_ref-SGLetal06_29-1" class="reference"><a href="#cite_note-SGLetal06-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> Potential <a href="/wiki/Autapomorphy" title="Autapomorphy">diagnostic characteristics</a> of <i>Kritosaurus</i> include a <a href="/wiki/Predentary" class="mw-redirect" title="Predentary">predentary</a> (lower beak) without tooth-like crenulations, a sharp downward bend to the lower jaws near the beak, and a heavy, somewhat rectangular <a href="/wiki/Maxilla" title="Maxilla">maxilla</a> (upper tooth-bearing bone).<sup id="cite_ref-JIKetal06_26-5" class="reference"><a href="#cite_note-JIKetal06-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Kritosaurus_navajovius.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Kritosaurus_navajovius.png/220px-Kritosaurus_navajovius.png" decoding="async" width="220" height="86" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Kritosaurus_navajovius.png/330px-Kritosaurus_navajovius.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Kritosaurus_navajovius.png/440px-Kritosaurus_navajovius.png 2x" data-file-width="1094" data-file-height="427" /></a><figcaption><i>K. navajovius</i> <a href="/wiki/Life_restoration" class="mw-redirect" title="Life restoration">life restoration</a></figcaption></figure> <p>According to Prieto-Márquez who re-diagnosed this genus in 2013, <i>Kritosaurus</i> can be distinguished based on the following characteristics: the length of the dorsolateral margin of the <a href="/wiki/Maxilla" title="Maxilla">maxilla</a> is extensive, the <a href="/wiki/Jugal" class="mw-redirect" title="Jugal">jugal</a> features an orbital constriction that is deeper than the infratemporal one, the infratemporal <a href="/wiki/Fenestra_(anatomy)" class="mw-redirect" title="Fenestra (anatomy)">fenestra</a> is greater than the orbit and has a dorsal margin that is greatly elevated above the dorsal orbital margin in adults, the <a href="/wiki/Frontal_bone#In_dinosaurs" title="Frontal bone">frontal</a> bone is participating in the orbital margin, the presence of paired caudal parasagittal processes of the nasals resting over the frontal bones.<sup id="cite_ref-APM2013_27-3" class="reference"><a href="#cite_note-APM2013-27"><span class="cite-bracket">[</span>27<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=Kritosaurus&action=edit&section=4" title="Edit section: Classification"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><i>Kritosaurus</i> was a <a href="/wiki/Hadrosaurinae" class="mw-redirect" title="Hadrosaurinae">hadrosaurine</a> <a href="/wiki/Hadrosaurid" class="mw-redirect" title="Hadrosaurid">hadrosaurid</a>, a flat-headed or solid-crested duckbill. Though many species and specimens have been referred to the genus in the past, most of them do not show the shared distinguishing characteristics to allow them to be considered part of the genus, or have been synonymized with other genera of hadrosaurs. The closest relative of <i>Kritosaurus navajovius</i> is <i><a href="/wiki/Anasazisaurus_horneri" class="mw-redirect" title="Anasazisaurus horneri">Anasazisaurus horneri</a></i> (or <i>Kritosaurus horneri</i>), which, together with close relatives such as <i><a href="/wiki/Gryposaurus" title="Gryposaurus">Gryposaurus</a></i> and <i><a href="/wiki/Secernosaurus" title="Secernosaurus">Secernosaurus</a></i>, form a clade called the <a href="/wiki/Kritosaurini" class="mw-redirect" title="Kritosaurini">Kritosaurini</a> within the larger clade <a href="/wiki/Saurolophinae" title="Saurolophinae">Saurolophinae</a>.<sup id="cite_ref-APM2013_27-4" class="reference"><a href="#cite_note-APM2013-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> Location and time separate <i>Kritosaurus</i> and the slightly older, primarily Canadian <i>Gryposaurus</i>, along with some cranial details.<sup id="cite_ref-JIKetal06_26-6" class="reference"><a href="#cite_note-JIKetal06-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Kritosaurus_egg_(cast).JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b5/Kritosaurus_egg_%28cast%29.JPG/220px-Kritosaurus_egg_%28cast%29.JPG" decoding="async" width="220" height="161" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b5/Kritosaurus_egg_%28cast%29.JPG/330px-Kritosaurus_egg_%28cast%29.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b5/Kritosaurus_egg_%28cast%29.JPG/440px-Kritosaurus_egg_%28cast%29.JPG 2x" data-file-width="2633" data-file-height="1925" /></a><figcaption>Cast of an assigned egg</figcaption></figure> <p>The following is a <a href="/wiki/Cladogram" title="Cladogram">cladogram</a> based on the phylogenetic analysis conducted by Prieto-Márquez and Wagner in 2012, showing the relationships of <i>Kritosaurus</i> among the other <a href="/wiki/Kritosaurini" class="mw-redirect" title="Kritosaurini">Kritosaurini</a>:<sup id="cite_ref-P-RW11_35-0" class="reference"><a href="#cite_note-P-RW11-35"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup> </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:90%;line-height:80%"> <tbody><tr> <td class="clade-label first"> <a href="/wiki/Kritosaurini" class="mw-redirect" title="Kritosaurini">Kritosaurini</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"> <p><i><a href="/wiki/Wulagasaurus" title="Wulagasaurus">Wulagasaurus</a></i> </p> </td></tr> <tr> <td class="clade-slabel"> </td></tr> <tr> <td class="clade-label"> </td> <td rowspan="2" class="clade-leaf"> <div><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1258728058"> <table class="clade"> <tbody><tr> <td class="clade-label first"> </td> <td rowspan="2" class="clade-leaf"> <p><i><b>Kritosaurus</b></i> </p> </td></tr> <tr> <td class="clade-slabel"> </td></tr> <tr> <td class="clade-label"> </td> <td rowspan="2" class="clade-leaf"> <div><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles: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><i><a href="/wiki/Gryposaurus_latidens" class="mw-redirect" title="Gryposaurus latidens">Gryposaurus latidens</a></i> </p> </td></tr> <tr> <td class="clade-slabel"> </td></tr> <tr> <td class="clade-label"> </td> <td rowspan="2" class="clade-leaf"> <div><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1258728058"> <table class="clade"> <tbody><tr> <td class="clade-label first"> </td> <td rowspan="2" class="clade-leaf"> <p><i><a href="/wiki/Gryposaurus_notabilis" class="mw-redirect" title="Gryposaurus notabilis">Gryposaurus notabilis</a></i> </p> </td></tr> <tr> <td class="clade-slabel"> </td></tr> <tr> <td class="clade-label"> </td> <td rowspan="2" class="clade-leaf"> <p><i><a href="/wiki/Gryposaurus_monumentensis" class="mw-redirect" title="Gryposaurus monumentensis">Gryposaurus monumentensis</a></i> </p> </td></tr> <tr> <td class="clade-slabel last"> </td></tr></tbody></table></div> </td></tr> <tr> <td class="clade-slabel last"> </td></tr></tbody></table></div> </td></tr> <tr> <td class="clade-slabel"> </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><i><a href="/wiki/Aquilarhinus_palimentus" class="mw-redirect" title="Aquilarhinus palimentus">Aquilarhinus palimentus</a></i> </p> </td></tr> <tr> <td class="clade-slabel"> </td></tr> <tr> <td class="clade-label"> </td> <td rowspan="2" class="clade-leaf"> <div><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1258728058"> <table class="clade"> <tbody><tr> <td class="clade-label first"> </td> <td rowspan="2" class="clade-leaf"> <p><i><a href="/wiki/Secernosaurus" title="Secernosaurus">Secernosaurus</a></i> </p> </td></tr> <tr> <td class="clade-slabel"> </td></tr> <tr> <td class="clade-label"> </td> <td rowspan="2" class="clade-leaf"> <p><i><a href="/wiki/Willinakaqe" title="Willinakaqe">Willinakaqe</a></i> </p> </td></tr> <tr> <td class="clade-slabel last"> </td></tr></tbody></table></div> </td></tr> <tr> <td class="clade-slabel last"> </td></tr></tbody></table></div> </td></tr> <tr> <td class="clade-slabel last"> </td></tr></tbody></table></div> </td></tr> <tr> <td class="clade-slabel last"> </td></tr></tbody></table></div> </td></tr> <tr> <td class="clade-slabel last"> </td></tr></tbody></table></div> </td></tr> <tr> <td class="clade-slabel last"> </td></tr></tbody></table></div> <div class="mw-heading mw-heading2"><h2 id="Paleobiology">Paleobiology</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Kritosaurus&action=edit&section=5" title="Edit section: Paleobiology"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The nasal crest of <i>Kritosaurus</i>, whatever its true form, may have been used for a variety of social functions, such as identification of sexes or species and social ranking.<sup id="cite_ref-HWF04_13-3" class="reference"><a href="#cite_note-HWF04-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> There may have been inflatable air sacs flanking it for both visual and auditory signaling.<sup id="cite_ref-JAH75_18-1" class="reference"><a href="#cite_note-JAH75-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Diet_and_feeding">Diet and feeding</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Kritosaurus&action=edit&section=6" title="Edit section: Diet and feeding"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Kritosaurus_jaw.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/26/Kritosaurus_jaw.jpg/220px-Kritosaurus_jaw.jpg" decoding="async" width="220" height="104" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/26/Kritosaurus_jaw.jpg/330px-Kritosaurus_jaw.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/26/Kritosaurus_jaw.jpg/440px-Kritosaurus_jaw.jpg 2x" data-file-width="3084" data-file-height="1455" /></a><figcaption>Lower jaw in inner view</figcaption></figure> <p>As a hadrosaurid, <i>Kritosaurus</i> would have been a large <a href="/wiki/Bipedalism" title="Bipedalism">bipedal</a>/<a href="/wiki/Quadruped" class="mw-redirect" title="Quadruped">quadrupedal</a> <a href="/wiki/Herbivore" title="Herbivore">herbivore</a>, eating <a href="/wiki/Plant" title="Plant">plants</a> with a sophisticated skull that permitted a grinding motion analogous to <a href="/wiki/Mastication" class="mw-redirect" title="Mastication">chewing</a>. Its <a href="/wiki/Tooth" title="Tooth">teeth</a> were continually replacing and packed into <a href="/wiki/Dental_batteries" class="mw-redirect" title="Dental batteries">dental batteries</a> that contained hundreds of teeth, only a relative handful of which were in use at any time. Plant material would have been cropped by its broad beak, and held in the jaws by a <a href="/wiki/Cheek" title="Cheek">cheek</a>-like organ. Feeding would have been from the ground up to ~4 meters (13 ft) above.<sup id="cite_ref-HWF04_13-4" class="reference"><a href="#cite_note-HWF04-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> If it was a separate genus, how it would have partitioned resources with the similar and contemporaneous <i>Naashoibitosaurus</i> is unknown.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (November 2018)">citation needed</span></a></i>]</sup> </p> <div class="mw-heading mw-heading2"><h2 id="Paleoecology">Paleoecology</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Kritosaurus&action=edit&section=7" title="Edit section: Paleoecology"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Kritosaurus_tooth.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Kritosaurus_tooth.jpg/220px-Kritosaurus_tooth.jpg" decoding="async" width="220" height="160" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Kritosaurus_tooth.jpg/330px-Kritosaurus_tooth.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Kritosaurus_tooth.jpg/440px-Kritosaurus_tooth.jpg 2x" data-file-width="1408" data-file-height="1024" /></a><figcaption>Tooth, <a href="/wiki/Museo_Civico_di_Storia_Naturale_di_Milano" title="Museo Civico di Storia Naturale di Milano">Museo Civico di Storia Naturale di Milano</a></figcaption></figure> <p><i>Kritosaurus</i> was discovered in the De-na-zin Member of the <a href="/wiki/Kirtland_Formation" title="Kirtland Formation">Kirtland Formation</a>. This formation dates from the late <a href="/wiki/Campanian" title="Campanian">Campanian</a> stages of the <a href="/wiki/Late_Cretaceous" title="Late Cretaceous">Late Cretaceous</a> Period (74 to 70 million years ago),<sup id="cite_ref-TEW00_4-2" class="reference"><a href="#cite_note-TEW00-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> and is also the source of several other dinosaurs, like <i><a href="/wiki/Alamosaurus" title="Alamosaurus">Alamosaurus</a></i>, a species of <i><a href="/wiki/Parasaurolophus" title="Parasaurolophus">Parasaurolophus</a></i>, <i><a href="/wiki/Pentaceratops" title="Pentaceratops">Pentaceratops</a></i>, <i><a href="/wiki/Nodocephalosaurus" title="Nodocephalosaurus">Nodocephalosaurus</a></i>, <i><a href="/wiki/Saurornitholestes" title="Saurornitholestes">Saurornitholestes</a></i>, and <i><a href="/wiki/Bistahieversor" title="Bistahieversor">Bistahieversor</a></i>.<sup id="cite_ref-WETAL04_36-0" class="reference"><a href="#cite_note-WETAL04-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> The Kirtland Formation is interpreted as <a href="/wiki/River" title="River">river</a> floodplains appearing after a retreat of the <a href="/wiki/Western_Interior_Seaway" title="Western Interior Seaway">Western Interior Seaway</a>. <a href="/wiki/Conifer" title="Conifer">Conifers</a> were the dominant plants, and <a href="/wiki/Ceratopsidae" title="Ceratopsidae">chasmosaurine</a> horned dinosaurs appear to have been more common than hadrosaurids.<sup id="cite_ref-DAR89_37-0" class="reference"><a href="#cite_note-DAR89-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup> The presence of <i><a href="/wiki/Parasaurolophus" title="Parasaurolophus">Parasaurolophus</a></i> and <i>Kritosaurus</i> in northern latitude fossil sites may represent faunal exchange between otherwise distinct northern and southern biomes in Late Cretaceous North America.<sup id="cite_ref-lehman_38-0" class="reference"><a href="#cite_note-lehman-38"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup> Both taxa are uncommon outside of the southern biome, where, along with <i><a href="/wiki/Pentaceratops" title="Pentaceratops">Pentaceratops</a></i>, they are predominate members of the fauna.<sup id="cite_ref-lehman_38-1" class="reference"><a href="#cite_note-lehman-38"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup> </p><p>The geographic range of <i>Kritosaurus</i> remains in North America was expanded by the discovery of bones from the late Campanian-age <a href="/wiki/Aguja_Formation" title="Aguja Formation">Aguja Formation</a> of <a href="/wiki/Texas" title="Texas">Texas</a>, including a skull,<sup id="cite_ref-JTS01_39-0" class="reference"><a href="#cite_note-JTS01-39"><span class="cite-bracket">[</span>39<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-WL01_40-0" class="reference"><a href="#cite_note-WL01-40"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup> although this specimen was given its own genus name, <i><a href="/wiki/Aquilarhinus" title="Aquilarhinus">Aquilarhinus</a></i>, in 2019.<sup id="cite_ref-41" class="reference"><a href="#cite_note-41"><span class="cite-bracket">[</span>41<span class="cite-bracket">]</span></a></sup> Additionally, a partial skull from <a href="/wiki/Coahuila" title="Coahuila">Coahuila</a>, <a href="/wiki/Mexico" title="Mexico">Mexico</a> has been referred to <i>K. navajovius</i>.<sup id="cite_ref-APM2013_27-5" class="reference"><a href="#cite_note-APM2013-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> </p><p>Since the 1910s and 1930s, Barnum Brown described that an unsubscribed species of <i>Kritosaurus</i>, the most likely candidate being <i>Kritosaurus navajovius</i>, had inhabited the late <a href="/wiki/Maastrichtian" title="Maastrichtian">Maastrichtian</a> <a href="/wiki/Ojo_Alamo_Formation" title="Ojo Alamo Formation">Ojo Alamo Formation</a>, where the first specimen of <i>Kritosaurus</i> was unearthed, in New Mexico as well as the <a href="/wiki/Javelina_Formation" title="Javelina Formation">Javelina Formation</a> and the <a href="/wiki/El_Picacho_Formation" title="El Picacho Formation">El Picacho Formation</a> in Texas, which was a <a href="/wiki/Flood_plain" class="mw-redirect" title="Flood plain">flood plain</a> type environment at the time of the Cretaceous.<sup id="cite_ref-BB10_2-2" class="reference"><a href="#cite_note-BB10-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Texas_Tech_University_42-0" class="reference"><a href="#cite_note-Texas_Tech_University-42"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-The_Dinosauria_43-0" class="reference"><a href="#cite_note-The_Dinosauria-43"><span class="cite-bracket">[</span>43<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Charles_W._Gilmore" title="Charles W. Gilmore">Charles W. Gilmore</a> also made notes about Brown's work surveys and finds from the Ojo Alamo Formation whilst doing research in the <a href="/wiki/North_Horn_Formation" title="North Horn Formation">North Horn Formation</a> in Utah as well as researching the Ojo Alamo Formation himself.<sup id="cite_ref-44" class="reference"><a href="#cite_note-44"><span class="cite-bracket">[</span>44<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-45" class="reference"><a href="#cite_note-45"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup> These fossils might be of an unknown species of hadrosaur or an undescribed specimen of <i>Kritosaurus</i> or <i>Kritosaurus navajovius</i>. However, not all of the paleontological community agrees with the age of the <i>Kritosaurus</i> holotype unearthed by Barnum Brown. This is due to the <a href="/wiki/Unconformity" title="Unconformity">unconformity</a> that divides the Ojo Alamo Formation into two parts; the older Naashoibito member, which overlies the <a href="/wiki/Campanian" title="Campanian">Campanian</a> era <a href="/wiki/Kirtland_Formation" title="Kirtland Formation">Kirtland Formation</a>, and the younger Kimbeto member. Starting in the 2000s and 2010s, more research into this area as well as nearby fossil formations in neighboring states has brought more information about them to light. This issue will probably be resolved in the future.<sup id="cite_ref-46" class="reference"><a href="#cite_note-46"><span class="cite-bracket">[</span>46<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-47" class="reference"><a href="#cite_note-47"><span class="cite-bracket">[</span>47<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-48" class="reference"><a href="#cite_note-48"><span class="cite-bracket">[</span>48<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-49" class="reference"><a href="#cite_note-49"><span class="cite-bracket">[</span>49<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-50" class="reference"><a href="#cite_note-50"><span class="cite-bracket">[</span>50<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-51" class="reference"><a href="#cite_note-51"><span class="cite-bracket">[</span>51<span class="cite-bracket">]</span></a></sup> </p><p>However, confirmed <i>Kritosaurus</i> remains, possibly belonging to <i>K. navajovius</i>, cf. <i>K. navajovius</i>, and possibly a new species have been unearthed in the <a href="/wiki/Javelina_Formation" title="Javelina Formation">Javelina Formation</a> and the <a href="/wiki/El_Picacho_Formation" title="El Picacho Formation">El Picacho Formation</a> in Texas.<sup id="cite_ref-WL01_40-1" class="reference"><a href="#cite_note-WL01-40"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-BB10_2-3" class="reference"><a href="#cite_note-BB10-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Texas_Tech_University_42-1" class="reference"><a href="#cite_note-Texas_Tech_University-42"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-The_Dinosauria_43-1" class="reference"><a href="#cite_note-The_Dinosauria-43"><span class="cite-bracket">[</span>43<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-researchgate.net_52-0" class="reference"><a href="#cite_note-researchgate.net-52"><span class="cite-bracket">[</span>52<span class="cite-bracket">]</span></a></sup> This genus lived alongside numerous species of dinosaurs including the sauropod <i>Alamosaurus</i>, the ceratopsians <i><a href="/wiki/Bravoceratops" title="Bravoceratops">Bravoceratops</a></i>, <i><a href="/wiki/Ojoceratops" title="Ojoceratops">Ojoceratops</a></i>, <i><a href="/wiki/Torosaurus" title="Torosaurus">Torosaurus</a></i> and a possible species of <i><a href="/wiki/Eotriceratops" title="Eotriceratops">Eotriceratops</a></i>, hadrosaurs which included a possible species of <i><a href="/wiki/Edmontosaurus_annectens" title="Edmontosaurus annectens">Edmontosaurus annectens</a></i>, a hadrosaur very similar to <i><a href="/wiki/Saurolophus" title="Saurolophus">Saurolophus</a></i> and <i>Gryposaurus</i>, <i>Gryposaurus alsatei</i> to be exact,<sup id="cite_ref-researchgate.net_52-1" class="reference"><a href="#cite_note-researchgate.net-52"><span class="cite-bracket">[</span>52<span class="cite-bracket">]</span></a></sup> and the armored nodosaur <i><a href="/wiki/Glyptodontopelta" title="Glyptodontopelta">Glyptodontopelta</a></i>. Theropods from this environment which included <i><a href="/wiki/Tyrannosaurus" title="Tyrannosaurus">Tyrannosaurus</a></i>, smaller <a href="/wiki/Theropoda" title="Theropoda">theropods</a> like a species of <i><a href="/wiki/Troodon" title="Troodon">Troodon</a></i> and <i><a href="/wiki/Richardoestesia" title="Richardoestesia">Richardoestesia</a></i>, the oviraptorid <i><a href="/wiki/Ojoraptorsaurus" title="Ojoraptorsaurus">Ojoraptorsaurus</a></i>, the dromaeosaur <i><a href="/wiki/Dineobellator" title="Dineobellator">Dineobellator</a></i>, and indeterminate ornithomimids and other undescribed dromaeosaurs. Non-dinosaur species that had shared the same environment with <i>Kritosaurus</i> included the giant pterosaur <i><a href="/wiki/Quetzalcoatlus" title="Quetzalcoatlus">Quetzalcoatlus</a></i>, various species of <a href="/wiki/Fish" title="Fish">fishes</a> and <a href="/wiki/Batoidea" class="mw-redirect" title="Batoidea">rays</a>, <a href="/wiki/Amphibian" title="Amphibian">amphibians</a>, <a href="/wiki/Lizard" title="Lizard">lizards</a>, <a href="/wiki/Turtle" title="Turtle">turtles</a> like <i><a href="/wiki/Adocus" title="Adocus">Adocus</a></i>, and multiple species of <a href="/wiki/Mammals" class="mw-redirect" title="Mammals">mammals</a> like <i><a href="/wiki/Alphadon" title="Alphadon">Alphadon</a></i> and <i><a href="/wiki/Mesodma" title="Mesodma">Mesodma</a></i>. </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Kritosaurus&action=edit&section=8" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Timeline_of_hadrosaur_research" title="Timeline of hadrosaur research">Timeline of hadrosaur research</a></li></ul> <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=Kritosaurus&action=edit&section=9" 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 reflist-columns-2"> <ol class="references"> <li id="cite_note-BC07-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-BC07_1-0">^</a></b></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="CITEREFCreisler2007" class="citation book cs1">Creisler, Benjamin S. (2007). "Deciphering duckbills". In Carpenter Kenneth (ed.). <i>Horns and Beaks: Ceratopsian and Ornithopod Dinosaurs</i>. Bloomington and Indianapolis: Indiana University Press. pp. 185–210. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-253-34817-3" title="Special:BookSources/978-0-253-34817-3"><bdi>978-0-253-34817-3</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Deciphering+duckbills&rft.btitle=Horns+and+Beaks%3A+Ceratopsian+and+Ornithopod+Dinosaurs&rft.place=Bloomington+and+Indianapolis&rft.pages=185-210&rft.pub=Indiana+University+Press&rft.date=2007&rft.isbn=978-0-253-34817-3&rft.aulast=Creisler&rft.aufirst=Benjamin+S.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKritosaurus" class="Z3988"></span></span> </li> <li id="cite_note-BB10-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-BB10_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-BB10_2-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-BB10_2-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-BB10_2-3"><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="CITEREFBrown1910" class="citation journal cs1"><a href="/wiki/Barnum_Brown" title="Barnum Brown">Brown, Barnum</a> (1910). 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"Contributions to the geology and paleontology of San Juan County, New Mexico. 2. Vertebrate faunas of the Ojo Alamo, Kirtland and Fruitland Formations". <i>United States Geological Survey Professional Paper</i>. <b>98-Q</b>: 279–302.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=United+States+Geological+Survey+Professional+Paper&rft.atitle=Contributions+to+the+geology+and+paleontology+of+San+Juan+County%2C+New+Mexico.+2.+Vertebrate+faunas+of+the+Ojo+Alamo%2C+Kirtland+and+Fruitland+Formations&rft.volume=98-Q&rft.pages=279-302&rft.date=1916&rft.aulast=Gilmore&rft.aufirst=Charles+W.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKritosaurus" class="Z3988"></span></span> </li> <li id="cite_note-TEW00-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-TEW00_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-TEW00_4-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-TEW00_4-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWilliamson2000" class="citation book cs1">Williamson, Thomas E. 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Dinosaur Mailing List. Archived from <a rel="nofollow" class="external text" href="http://dml.cmnh.org/1999Nov/msg00560.html">the original</a> on 2011-11-17<span class="reference-accessdate">. Retrieved <span class="nowrap">2007-06-15</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Re%3A+What+are+these+dinosaurs%3F+2%3A+Return+of+What+are+these+dinosaurs%3F&rft.pub=Dinosaur+Mailing+List&rft.date=1999-11-17&rft.au=Olshevsky%2C+George&rft_id=http%3A%2F%2Fdml.cmnh.org%2F1999Nov%2Fmsg00560.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKritosaurus" class="Z3988"></span></span> </li> <li id="cite_note-LL14-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-LL14_7-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFLambe1914" class="citation journal cs1"><a href="/wiki/Lawrence_Lambe" title="Lawrence Lambe">Lambe, Lawrence M.</a> (1914). 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Berkeley: University of California Press. pp. 438–463. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-520-24209-8" title="Special:BookSources/978-0-520-24209-8"><bdi>978-0-520-24209-8</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Hadrosauridae&rft.btitle=The+Dinosauria&rft.place=Berkeley&rft.pages=438-463&rft.edition=2nd&rft.pub=University+of+California+Press&rft.date=2004&rft.isbn=978-0-520-24209-8&rft.aulast=Horner&rft.aufirst=John+R.&rft.au=Weishampel%2C+David+B.&rft.au=Forster%2C+Catherine+A&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKritosaurus" class="Z3988"></span></span> </li> <li id="cite_note-PMWH06-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-PMWH06_14-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFPrieto-MárquezWeishampel,_David_B.Horner,_John_R.2006" class="citation journal cs1">Prieto-Márquez, Alberto; Weishampel, David B.; Horner, John R. (2006). <a rel="nofollow" class="external text" href="http://www.app.pan.pl/archive/published/app51/app51-077.pdf">"The dinosaur <i>Hadrosaurus foulkii</i>, from the Campanian of the East Coast of North America, with a reevaluation of the genus"</a> <span class="cs1-format">(PDF)</span>. <i>Acta Palaeontologica Polonica</i>. <b>51</b> (1): 77–98.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Acta+Palaeontologica+Polonica&rft.atitle=The+dinosaur+Hadrosaurus+foulkii%2C+from+the+Campanian+of+the+East+Coast+of+North+America%2C+with+a+reevaluation+of+the+genus&rft.volume=51&rft.issue=1&rft.pages=77-98&rft.date=2006&rft.aulast=Prieto-M%C3%A1rquez&rft.aufirst=Alberto&rft.au=Weishampel%2C+David+B.&rft.au=Horner%2C+John+R.&rft_id=http%3A%2F%2Fwww.app.pan.pl%2Farchive%2Fpublished%2Fapp51%2Fapp51-077.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKritosaurus" class="Z3988"></span></span> </li> <li id="cite_note-DFG82-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-DFG82_15-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGlut1982" class="citation book cs1">Glut, Donald F. 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Secaucus, NJ: Citadel Press. p. <a rel="nofollow" class="external text" href="https://archive.org/details/newdinosaurdicti00glut/page/158">158</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-8065-0782-8" title="Special:BookSources/978-0-8065-0782-8"><bdi>978-0-8065-0782-8</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+New+Dinosaur+Dictionary&rft.place=Secaucus%2C+NJ&rft.pages=158&rft.pub=Citadel+Press&rft.date=1982&rft.isbn=978-0-8065-0782-8&rft.aulast=Glut&rft.aufirst=Donald+F.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fnewdinosaurdicti00glut%2Fpage%2F158&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKritosaurus" class="Z3988"></span></span> </li> <li id="cite_note-DL83-16"><span class="mw-cite-backlink"><b><a href="#cite_ref-DL83_16-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFLambertthe_Diagram_Group1983" class="citation book cs1">Lambert, David; the Diagram Group (1983). <a rel="nofollow" class="external text" href="https://archive.org/details/fieldguidetodino00lamb/page/161"><i>A Field Guide to Dinosaurs</i></a>. 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(January 2011). <a rel="nofollow" class="external text" href="https://www.researchgate.net/publication/283014802">"Taxonomic composition of the Alamo Wash local fauna from the Upper Cretaceous Ojo Alamo Formation (Naashoibito Member), San Juan Basin, New Mexico"</a>. <i>Fossil Record</i>. <b>3</b>: 216–271<span class="reference-accessdate">. Retrieved <span class="nowrap">17 November</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Fossil+Record&rft.atitle=Taxonomic+composition+of+the+Alamo+Wash+local+fauna+from+the+Upper+Cretaceous+Ojo+Alamo+Formation+%28Naashoibito+Member%29%2C+San+Juan+Basin%2C+New+Mexico&rft.volume=3&rft.pages=216-271&rft.date=2011-01&rft.aulast=Jasinski&rft.aufirst=Steven+E.&rft.au=Sullivan%2C+Robert+M.&rft.au=Lucas%2C+Spencer+G.&rft_id=https%3A%2F%2Fwww.researchgate.net%2Fpublication%2F283014802&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKritosaurus" class="Z3988"></span></span> </li> <li id="cite_note-51"><span class="mw-cite-backlink"><b><a href="#cite_ref-51">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWilliamson2000" class="citation journal cs1">Williamson, Thomas W. (2000). <a href="/w/index.php?title=Dinosaurs_of_New_Mexico&action=edit&redlink=1" class="new" title="Dinosaurs of New Mexico (page does not exist)">Lucas, S. G.</a>; Heckert, A. B. (eds.). "Review of Hadrosauridae (Dinosauria, Ornithischia) from the San Juan Basin, New Mexico." Dinosaurs of New Mexico". <i>New Mexico Museum of Natural History and Science, Bulletin</i>. <b>17</b>. 1801 Mountain Rd NW, Albuquerque, NM 87104: New Mexico Museum of Natural History and Science: 191–213.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=New+Mexico+Museum+of+Natural+History+and+Science%2C+Bulletin&rft.atitle=Review+of+Hadrosauridae+%28Dinosauria%2C+Ornithischia%29+from+the+San+Juan+Basin%2C+New+Mexico.%22+Dinosaurs+of+New+Mexico&rft.volume=17&rft.pages=191-213&rft.date=2000&rft.aulast=Williamson&rft.aufirst=Thomas+W.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKritosaurus" class="Z3988"></span><span class="cs1-maint citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_journal" title="Template:Cite journal">cite journal</a>}}</code>: CS1 maint: location (<a href="/wiki/Category:CS1_maint:_location" title="Category:CS1 maint: location">link</a>)</span></span> </li> <li id="cite_note-researchgate.net-52"><span class="mw-cite-backlink">^ <a href="#cite_ref-researchgate.net_52-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-researchgate.net_52-1"><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="CITEREFLehmanWickWagner2016" class="citation journal cs1">Lehman, Thomas M.; Wick, Steve L.; Wagner, Jonathan R. (1 July 2016). <a rel="nofollow" class="external text" href="https://www.researchgate.net/publication/304364183">"Hadrosaurian dinosaurs from the Maastrichtian Javelina Formation, Big Bend National Park, Texas"</a>. <i>Journal of Paleontology</i>. <b>1</b> (2): 333–356. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2016JPal...90..333L">2016JPal...90..333L</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1017%2Fjpa.2016.48">10.1017/jpa.2016.48</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:133329640">133329640</a><span class="reference-accessdate">. Retrieved <span class="nowrap">17 November</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Journal+of+Paleontology&rft.atitle=Hadrosaurian+dinosaurs+from+the+Maastrichtian+Javelina+Formation%2C+Big+Bend+National+Park%2C+Texas&rft.volume=1&rft.issue=2&rft.pages=333-356&rft.date=2016-07-01&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A133329640%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1017%2Fjpa.2016.48&rft_id=info%3Abibcode%2F2016JPal...90..333L&rft.aulast=Lehman&rft.aufirst=Thomas+M.&rft.au=Wick%2C+Steve+L.&rft.au=Wagner%2C+Jonathan+R.&rft_id=https%3A%2F%2Fwww.researchgate.net%2Fpublication%2F304364183&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKritosaurus" 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=Kritosaurus&action=edit&section=10" 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:Kritosaurus" class="extiw" title="commons:Category:Kritosaurus">Kritosaurus</a> at Wikimedia Commons</li></ul> <p class="mw-empty-elt"> </p> <style 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.navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Ornithopoda" title="Template:Ornithopoda"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Ornithopoda" title="Template talk:Ornithopoda"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Ornithopoda" title="Special:EditPage/Template:Ornithopoda"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Ornithopoda" style="font-size:114%;margin:0 4em"><a href="/wiki/Ornithopoda" title="Ornithopoda">Ornithopoda</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="*_Kingdom:_Animalia_*_Phylum:_Chordata_*_Clade:_Dinosauria_*_Clade:_Ornithischia_*_Clade:_Neornithischia_*_Clade:_Cerapoda" style="font-size:114%;margin:0 4em"><span style="font-weight:normal; font-style:normal"><span style="font-size:85%;"> <ul><li>Kingdom: <a href="/wiki/Animal" title="Animal">Animalia</a></li> <li>Phylum: <a href="/wiki/Chordate" title="Chordate">Chordata</a></li> <li><i>Clade</i>: <a href="/wiki/Dinosaur" title="Dinosaur">Dinosauria</a></li> <li><i>Clade</i>: <a href="/wiki/Ornithischia" title="Ornithischia">Ornithischia</a></li> <li><i>Clade</i>: <a href="/wiki/Neornithischia" title="Neornithischia">Neornithischia</a></li> <li><i>Clade</i>: <a href="/wiki/Cerapoda" class="mw-redirect" title="Cerapoda">Cerapoda</a></li></ul> </span></span></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Avemetatarsalia" scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Avemetatarsalia" title="Avemetatarsalia">Avemetatarsalia</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><ul><li>see <a href="/wiki/Template:Avemetatarsalia" title="Template:Avemetatarsalia">Avemetatarsalia</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Ornithischia" title="Ornithischia">Ornithischia</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><ul><li>see <a href="/wiki/Template:Ornithischia" title="Template:Ornithischia">Ornithischia</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Ornithopoda" title="Ornithopoda">Ornithopoda</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><ul><li>see below↓</li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><div id="Ornithopoda" style="font-size:114%;margin:0 4em"><a href="/wiki/Ornithopoda" title="Ornithopoda">Ornithopoda</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Ornithopoda" scope="row" class="navbox-group" style="width:1%"><div style="position: absolute; transform: translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Ornithopoda" title="Ornithopoda">Ornithopoda</a></div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Burianosaurus" title="Burianosaurus">Burianosaurus</a></i></li> <li><i><a href="/wiki/Callovosaurus" title="Callovosaurus">Callovosaurus</a></i></li> <li><b><a href="/wiki/Thescelosauridae" title="Thescelosauridae">Thescelosauridae</a></b>?</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Hypsilophodontidae" title="Hypsilophodontidae">Hypsilophodontidae</a>?</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Gideonmantellia" title="Gideonmantellia">Gideonmantellia</a></i>?</li> <li><i><a href="/wiki/Hypsilophodon" title="Hypsilophodon">Hypsilophodon</a></i></li> <li><i><a href="/wiki/Vectidromeus" title="Vectidromeus">Vectidromeus</a></i>?</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Elasmaria" title="Elasmaria">Elasmaria</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Anabisetia" title="Anabisetia">Anabisetia</a></i></li> <li><i><a href="/wiki/Atlascopcosaurus" title="Atlascopcosaurus">Atlascopcosaurus</a></i></li> <li><i><a href="/wiki/Chakisaurus" title="Chakisaurus">Chakisaurus</a></i></li> <li><i><a href="/wiki/Diluvicursor" title="Diluvicursor">Diluvicursor</a></i></li> <li><i><a href="/wiki/Fostoria_dhimbangunmal" title="Fostoria dhimbangunmal">Fostoria</a></i>?</li> <li><i><a href="/wiki/Galleonosaurus" title="Galleonosaurus">Galleonosaurus</a></i></li> <li><i><a href="/wiki/Gasparinisaura" title="Gasparinisaura">Gasparinisaura</a></i></li> <li><i><a href="/wiki/Isasicursor" title="Isasicursor">Isasicursor</a></i></li> <li><i><a href="/wiki/Kangnasaurus" title="Kangnasaurus">Kangnasaurus</a></i>?</li> <li><i><a href="/wiki/Leaellynasaura" title="Leaellynasaura">Leaellynasaura</a></i></li> <li><i><a href="/wiki/Macrogryphosaurus" title="Macrogryphosaurus">Macrogryphosaurus</a></i></li> <li><i><a href="/wiki/Mahuidacursor" title="Mahuidacursor">Mahuidacursor</a></i></li> <li><i><a href="/wiki/Morrosaurus" title="Morrosaurus">Morrosaurus</a></i></li> <li><i><a href="/wiki/Muttaburrasaurus" title="Muttaburrasaurus">Muttaburrasaurus</a></i>?</li> <li><i><a href="/wiki/Notohypsilophodon" title="Notohypsilophodon">Notohypsilophodon</a></i></li> <li><i><a href="/wiki/Qantassaurus" title="Qantassaurus">Qantassaurus</a></i></li> <li><i><a href="/wiki/Sektensaurus" title="Sektensaurus">Sektensaurus</a></i></li> <li><i><a href="/wiki/Talenkauen" title="Talenkauen">Talenkauen</a></i></li> <li><i><a href="/wiki/Tietasaura" title="Tietasaura">Tietasaura</a></i></li> <li><i><a href="/wiki/Trinisaura" title="Trinisaura">Trinisaura</a></i></li> <li><i><a href="/wiki/Weewarrasaurus" title="Weewarrasaurus">Weewarrasaurus</a></i>?</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Rhabdodontomorpha" title="Rhabdodontomorpha">Rhabdodontomorpha</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Ampelognathus" title="Ampelognathus">Ampelognathus</a></i>?</li> <li><i><a href="/wiki/Emiliasaura" title="Emiliasaura">Emiliasaura</a></i></li> <li><i><a href="/wiki/Fostoria_dhimbangunmal" title="Fostoria dhimbangunmal">Fostoria</a></i>?</li> <li><i><a href="/wiki/Muttaburrasaurus" title="Muttaburrasaurus">Muttaburrasaurus</a></i>?</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Tenontosauridae" class="mw-redirect" title="Tenontosauridae">Tenontosauridae</a>?</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Convolosaurus" title="Convolosaurus">Convolosaurus</a></i>?</li> <li><i><a href="/wiki/Iani" title="Iani">Iani</a></i></li> <li><i><a href="/wiki/Tenontosaurus" title="Tenontosaurus">Tenontosaurus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Rhabdodontidae" title="Rhabdodontidae">Rhabdodontidae</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Matheronodon" title="Matheronodon">Matheronodon</a></i></li> <li><i><a href="/wiki/Mochlodon" title="Mochlodon">Mochlodon</a></i></li> <li><i><a href="/wiki/Pareisactus" title="Pareisactus">Pareisactus</a></i></li> <li><i><a href="/wiki/Rhabdodon" title="Rhabdodon">Rhabdodon</a></i></li> <li><i><a href="/wiki/Transylvanosaurus" title="Transylvanosaurus">Transylvanosaurus</a></i></li> <li><i><a href="/wiki/Zalmoxes" title="Zalmoxes">Zalmoxes</a></i></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><div style="position: absolute; transform: translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Dryomorpha" class="mw-redirect" title="Dryomorpha">Dryomorpha</a></div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Draconyx" title="Draconyx">Draconyx</a></i></li> <li><i><a href="/wiki/Hesperonyx" title="Hesperonyx">Hesperonyx</a></i></li> <li><i><a href="/wiki/Owenodon" title="Owenodon">Owenodon</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Dryosauridae" title="Dryosauridae">Dryosauridae</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Dryosaurus" title="Dryosaurus">Dryosaurus</a></i></li> <li><i><a href="/wiki/Dysalotosaurus" title="Dysalotosaurus">Dysalotosaurus</a></i></li> <li><i><a href="/wiki/Elrhazosaurus" title="Elrhazosaurus">Elrhazosaurus</a></i></li> <li><i><a href="/wiki/Eousdryosaurus" title="Eousdryosaurus">Eousdryosaurus</a></i></li> <li><i><a href="/wiki/Iyuku" title="Iyuku">Iyuku</a></i>?</li> <li><i><a href="/wiki/Kangnasaurus" title="Kangnasaurus">Kangnasaurus</a></i>?</li> <li><i><a href="/wiki/Valdosaurus" title="Valdosaurus">Valdosaurus</a></i></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><div style="position: absolute; transform: translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Ankylopollexia" title="Ankylopollexia">Ankylopollexia</a></div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Barilium" title="Barilium">Barilium</a></i></li> <li><i><a href="/wiki/Bayannurosaurus" title="Bayannurosaurus">Bayannurosaurus</a></i></li> <li><i><a href="/wiki/Calvarius" title="Calvarius">Calvarius</a></i></li> <li><i><a href="/wiki/Camptosaurus" title="Camptosaurus">Camptosaurus</a></i></li> <li><i><a href="/wiki/Cedrorestes" title="Cedrorestes">Cedrorestes</a></i></li> <li><i><a href="/wiki/Cumnoria" title="Cumnoria">Cumnoria</a></i>?</li> <li><i><a href="/wiki/Dakotadon" title="Dakotadon">Dakotadon</a></i></li> <li><i><a href="/wiki/Fukuisaurus" title="Fukuisaurus">Fukuisaurus</a></i></li> <li><i><a href="/wiki/Hippodraco" title="Hippodraco">Hippodraco</a></i></li> <li><i><a href="/wiki/Iguanacolossus" title="Iguanacolossus">Iguanacolossus</a></i></li> <li><i><a href="/wiki/Lanzhousaurus" title="Lanzhousaurus">Lanzhousaurus</a></i></li> <li><i><a href="/wiki/Lurdusaurus" title="Lurdusaurus">Lurdusaurus</a></i></li> <li><i><a href="/wiki/Magnamanus" title="Magnamanus">Magnamanus</a></i></li> <li><i><a href="/wiki/Napaisaurus" title="Napaisaurus">Napaisaurus</a></i></li> <li><i><a href="/wiki/Oblitosaurus" title="Oblitosaurus">Oblitosaurus</a></i></li> <li><i><a href="/wiki/Osmakasaurus" title="Osmakasaurus">Osmakasaurus</a></i></li> <li><i><a href="/wiki/Planicoxa" title="Planicoxa">Planicoxa</a></i></li> <li><i><a href="/wiki/Proa_valdearinnoensis" title="Proa valdearinnoensis">Proa</a></i></li> <li><i><a href="/wiki/Ratchasimasaurus" title="Ratchasimasaurus">Ratchasimasaurus</a></i></li> <li><i><a href="/wiki/Riabininohadros" title="Riabininohadros">Riabininohadros</a></i></li> <li><i><a href="/wiki/Theiophytalia" title="Theiophytalia">Theiophytalia</a></i></li> <li><i><a href="/wiki/Uteodon" title="Uteodon">Uteodon</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Hadrosauriformes" class="mw-redirect" title="Hadrosauriformes">Hadrosauriformes</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Bolong" title="Bolong">Bolong</a></i></li> <li><i><a href="/wiki/Brighstoneus" title="Brighstoneus">Brighstoneus</a></i></li> <li><i><a href="/wiki/Hypselospinus" title="Hypselospinus">Hypselospinus</a></i></li> <li><i><a href="/wiki/Jinzhousaurus" title="Jinzhousaurus">Jinzhousaurus</a></i></li> <li><i><a href="/wiki/Mantellisaurus" title="Mantellisaurus">Mantellisaurus</a></i></li> <li><i><a href="/wiki/Morelladon" title="Morelladon">Morelladon</a></i></li> <li><i><a href="/wiki/Ouranosaurus" title="Ouranosaurus">Ouranosaurus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Iguanodontidae" title="Iguanodontidae">Iguanodontidae</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Barilium" title="Barilium">Barilium</a></i>?</li> <li><i><a href="/wiki/Comptonatus" title="Comptonatus">Comptonatus</a></i></li> <li><i><a href="/wiki/Iguanodon" title="Iguanodon">Iguanodon</a></i></li> <li><i><a href="/wiki/Mantellisaurus" title="Mantellisaurus">Mantellisaurus</a></i>?</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Hadrosauroidea" title="Hadrosauroidea">Hadrosauroidea</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><ul><li>see below↓</li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td><td class="noviewer navbox-image" rowspan="1" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/File:Notohypsilodon_reconstruction_raingerr.png" class="mw-file-description" title="Notohypsilodon comodorensis"><img alt="Notohypsilodon comodorensis" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/93/Notohypsilodon_reconstruction_raingerr.png/100px-Notohypsilodon_reconstruction_raingerr.png" decoding="async" width="100" height="41" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/93/Notohypsilodon_reconstruction_raingerr.png/150px-Notohypsilodon_reconstruction_raingerr.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/93/Notohypsilodon_reconstruction_raingerr.png/200px-Notohypsilodon_reconstruction_raingerr.png 2x" data-file-width="2160" data-file-height="880" /></a></span> <p><span style="display: inline-block; transform: scaleX(-1);"><span typeof="mw:File"><a href="/wiki/File:Rhabdodon_by_Tom_Parker.png" class="mw-file-description" title="Rhabdodon priscus"><img alt="Rhabdodon priscus" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/25/Rhabdodon_by_Tom_Parker.png/100px-Rhabdodon_by_Tom_Parker.png" decoding="async" width="100" height="35" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/25/Rhabdodon_by_Tom_Parker.png/150px-Rhabdodon_by_Tom_Parker.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/25/Rhabdodon_by_Tom_Parker.png/200px-Rhabdodon_by_Tom_Parker.png 2x" data-file-width="1985" data-file-height="699" /></a></span></span> </p> <span typeof="mw:File"><a href="/wiki/File:Ouranosaurus_nigeriensis_restoration.png" class="mw-file-description" title="Ouranosaurus nigeriensis"><img alt="Ouranosaurus nigeriensis" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Ouranosaurus_nigeriensis_restoration.png/100px-Ouranosaurus_nigeriensis_restoration.png" decoding="async" width="100" height="44" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Ouranosaurus_nigeriensis_restoration.png/150px-Ouranosaurus_nigeriensis_restoration.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/42/Ouranosaurus_nigeriensis_restoration.png/200px-Ouranosaurus_nigeriensis_restoration.png 2x" data-file-width="4500" data-file-height="1958" /></a></span></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible uncollapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><div id="Hadrosauroidea" style="font-size:114%;margin:0 4em"><a href="/wiki/Hadrosauroidea" title="Hadrosauroidea">Hadrosauroidea</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Hadrosauroidea" scope="row" class="navbox-group" style="width:1%"><div style="position: absolute; transform: translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Hadrosauroidea" title="Hadrosauroidea">Hadrosauroidea</a></div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Altirhinus" title="Altirhinus">Altirhinus</a></i></li> <li><i><a href="/wiki/Bactrosaurus" title="Bactrosaurus">Bactrosaurus</a></i></li> <li><i><a href="/wiki/Batyrosaurus" title="Batyrosaurus">Batyrosaurus</a></i>?</li> <li><i><a href="/wiki/Choyrodon" title="Choyrodon">Choyrodon</a></i></li> <li><i><a href="/wiki/Claosaurus" title="Claosaurus">Claosaurus</a></i></li> <li><i><a href="/wiki/Datonglong" title="Datonglong">Datonglong</a></i></li> <li><i><a href="/wiki/Eolambia" title="Eolambia">Eolambia</a></i></li> <li><i><a href="/wiki/Equijubus" title="Equijubus">Equijubus</a></i></li> <li><i><a href="/wiki/Fylax" title="Fylax">Fylax</a></i></li> <li><i><a href="/wiki/Gilmoreosaurus" title="Gilmoreosaurus">Gilmoreosaurus</a></i></li> <li><i><a href="/wiki/Gobihadros" title="Gobihadros">Gobihadros</a></i></li> <li><i><a href="/wiki/Gongpoquansaurus" title="Gongpoquansaurus">Gongpoquansaurus</a></i></li> <li><i><a href="/wiki/Gonkoken" title="Gonkoken">Gonkoken</a></i></li> <li><i><a href="/wiki/Huehuecanauhtlus" title="Huehuecanauhtlus">Huehuecanauhtlus</a></i></li> <li><i><a href="/wiki/Jeyawati" title="Jeyawati">Jeyawati</a></i></li> <li><i><a href="/wiki/Jintasaurus" title="Jintasaurus">Jintasaurus</a></i></li> <li><i><a href="/wiki/Koshisaurus" title="Koshisaurus">Koshisaurus</a></i>?</li> <li><i><a href="/wiki/Levnesovia" title="Levnesovia">Levnesovia</a></i></li> <li><i><a href="/wiki/Lophorhothon" title="Lophorhothon">Lophorhothon</a></i></li> <li><i><a href="/wiki/Nanningosaurus" title="Nanningosaurus">Nanningosaurus</a></i></li> <li><i><a href="/wiki/Nanyangosaurus" title="Nanyangosaurus">Nanyangosaurus</a></i></li> <li><i><a href="/wiki/Penelopognathus" title="Penelopognathus">Penelopognathus</a></i></li> <li><i><a href="/wiki/Plesiohadros" title="Plesiohadros">Plesiohadros</a></i></li> <li><i><a href="/wiki/Portellsaurus" title="Portellsaurus">Portellsaurus</a></i></li> <li><i><a href="/wiki/Probactrosaurus" title="Probactrosaurus">Probactrosaurus</a></i></li> <li><i><a href="/wiki/Protohadros" title="Protohadros">Protohadros</a></i></li> <li><i><a href="/wiki/Qianjiangsaurus" title="Qianjiangsaurus">Qianjiangsaurus</a></i></li> <li><i><a href="/wiki/Shuangmiaosaurus" title="Shuangmiaosaurus">Shuangmiaosaurus</a></i></li> <li><i><a href="/wiki/Siamodon" title="Siamodon">Siamodon</a></i></li> <li><i><a href="/wiki/Sirindhorna" title="Sirindhorna">Sirindhorna</a></i></li> <li><i><a href="/wiki/Tanius" title="Tanius">Tanius</a></i></li> <li><i><a href="/wiki/Telmatosaurus" title="Telmatosaurus">Telmatosaurus</a></i></li> <li><i><a href="/wiki/Tethyshadros" title="Tethyshadros">Tethyshadros</a></i></li> <li><i><a href="/wiki/Xuwulong" title="Xuwulong">Xuwulong</a></i></li> <li><i><a href="/wiki/Yunganglong" title="Yunganglong">Yunganglong</a></i></li> <li><i><a href="/wiki/Zhanghenglong" title="Zhanghenglong">Zhanghenglong</a></i></li> <li><i><a href="/wiki/Zuoyunlong" title="Zuoyunlong">Zuoyunlong</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><div style="position: absolute; transform: translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Hadrosauridae" title="Hadrosauridae">Hadrosauridae</a></div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Aquilarhinus" title="Aquilarhinus">Aquilarhinus</a></i></li> <li><i><a href="/wiki/Eotrachodon" title="Eotrachodon">Eotrachodon</a></i></li> <li><i><a href="/wiki/Hadrosaurus" title="Hadrosaurus">Hadrosaurus</a></i></li> <li><i><a href="/wiki/Lapampasaurus" title="Lapampasaurus">Lapampasaurus</a></i></li> <li><i><a href="/wiki/Malefica" title="Malefica">Malefica</a></i></li> <li><i><a href="/wiki/Yamatosaurus" title="Yamatosaurus">Yamatosaurus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Lambeosaurinae" title="Lambeosaurinae">Lambeosaurinae</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Adynomosaurus" title="Adynomosaurus">Adynomosaurus</a></i></li> <li><i><a href="/wiki/Ajnabia" title="Ajnabia">Ajnabia</a></i></li> <li><i><a href="/wiki/Angulomastacator" title="Angulomastacator">Angulomastacator</a></i></li> <li><i><a href="/wiki/Aralosaurus" title="Aralosaurus">Aralosaurus</a></i></li> <li><i><a href="/wiki/Arenysaurus" title="Arenysaurus">Arenysaurus</a></i></li> <li><i><a href="/wiki/Blasisaurus" title="Blasisaurus">Blasisaurus</a></i></li> <li><i><a href="/wiki/Canardia" title="Canardia">Canardia</a></i></li> <li><i><a href="/wiki/Jaxartosaurus" title="Jaxartosaurus">Jaxartosaurus</a></i></li> <li><i><a href="/wiki/Kazaklambia" title="Kazaklambia">Kazaklambia</a></i></li> <li><i><a href="/wiki/Latirhinus" title="Latirhinus">Latirhinus</a></i>?</li> <li><i><a href="/wiki/Minqaria" title="Minqaria">Minqaria</a></i></li> <li><i><a href="/wiki/Nipponosaurus" title="Nipponosaurus">Nipponosaurus</a></i></li> <li><i><a href="/wiki/Pararhabdodon" title="Pararhabdodon">Pararhabdodon</a></i></li> <li><i><a href="/wiki/Tsintaosaurus" title="Tsintaosaurus">Tsintaosaurus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Parasaurolophini" class="mw-redirect" title="Parasaurolophini">Parasaurolophini</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Adelolophus" title="Adelolophus">Adelolophus</a></i></li> <li><i><a href="/wiki/Charonosaurus" title="Charonosaurus">Charonosaurus</a></i></li> <li><i><a href="/wiki/Parasaurolophus" title="Parasaurolophus">Parasaurolophus</a></i></li> <li><i><a href="/wiki/Tlatolophus" title="Tlatolophus">Tlatolophus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Lambeosaurini" class="mw-redirect" title="Lambeosaurini">Lambeosaurini</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Amurosaurus" title="Amurosaurus">Amurosaurus</a></i></li> <li><i><a href="/wiki/Corythosaurus" title="Corythosaurus">Corythosaurus</a></i></li> <li><i><a href="/wiki/Hypacrosaurus" title="Hypacrosaurus">Hypacrosaurus</a></i></li> <li><i><a href="/wiki/Lambeosaurus" title="Lambeosaurus">Lambeosaurus</a></i></li> <li><i><a href="/wiki/Magnapaulia" title="Magnapaulia">Magnapaulia</a></i></li> <li><i><a href="/wiki/Olorotitan" title="Olorotitan">Olorotitan</a></i></li> <li><i><a href="/wiki/Sahaliyania" title="Sahaliyania">Sahaliyania</a></i></li> <li><i><a href="/wiki/Velafrons" title="Velafrons">Velafrons</a></i></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Saurolophinae" title="Saurolophinae">Saurolophinae</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Barsboldia" title="Barsboldia">Barsboldia</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Brachylophosaurini" class="mw-redirect" title="Brachylophosaurini">Brachylophosaurini</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Acristavus" title="Acristavus">Acristavus</a></i></li> <li><i><a href="/wiki/Brachylophosaurus" title="Brachylophosaurus">Brachylophosaurus</a></i></li> <li><i><a href="/wiki/Maiasaura" title="Maiasaura">Maiasaura</a></i></li> <li><i><a href="/wiki/Ornatops" title="Ornatops">Ornatops</a></i></li> <li><i><a href="/wiki/Probrachylophosaurus" title="Probrachylophosaurus">Probrachylophosaurus</a></i></li> <li><i><a href="/wiki/Wulagasaurus" title="Wulagasaurus">Wulagasaurus</a></i>?</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Austrokritosauria" class="mw-redirect" title="Austrokritosauria">Austrokritosauria</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Bonapartesaurus" title="Bonapartesaurus">Bonapartesaurus</a></i></li> <li><i><a href="/wiki/Huallasaurus" title="Huallasaurus">Huallasaurus</a></i></li> <li><i><a href="/wiki/Kelumapusaura" title="Kelumapusaura">Kelumapusaura</a></i></li> <li><i><a href="/wiki/Secernosaurus" title="Secernosaurus">Secernosaurus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Kritosaurini" class="mw-redirect" title="Kritosaurini">Kritosaurini</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Anasazisaurus" title="Anasazisaurus">Anasazisaurus</a></i>?</li> <li><i><a href="/wiki/Coahuilasaurus" title="Coahuilasaurus">Coahuilasaurus</a></i></li> <li><i><a href="/wiki/Gryposaurus" title="Gryposaurus">Gryposaurus</a></i></li> <li><i><a class="mw-selflink selflink">Kritosaurus</a></i></li> <li><i><a href="/wiki/Naashoibitosaurus" title="Naashoibitosaurus">Naashoibitosaurus</a></i></li> <li><i><a href="/wiki/Rhinorex" title="Rhinorex">Rhinorex</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Saurolophini" class="mw-redirect" title="Saurolophini">Saurolophini</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Augustynolophus" title="Augustynolophus">Augustynolophus</a></i></li> <li><i><a href="/wiki/Prosaurolophus" title="Prosaurolophus">Prosaurolophus</a></i></li> <li><i><a href="/wiki/Saurolophus" title="Saurolophus">Saurolophus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Edmontosaurini" class="mw-redirect" title="Edmontosaurini">Edmontosaurini</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Edmontosaurus" title="Edmontosaurus">Edmontosaurus</a></i></li> <li><i><a href="/wiki/Kamuysaurus" title="Kamuysaurus">Kamuysaurus</a></i></li> <li><i><a href="/wiki/Kerberosaurus" title="Kerberosaurus">Kerberosaurus</a></i></li> <li><i><a href="/wiki/Kundurosaurus" title="Kundurosaurus">Kundurosaurus</a></i></li> <li><i><a href="/wiki/Laiyangosaurus" title="Laiyangosaurus">Laiyangosaurus</a></i></li> <li><i><a href="/wiki/Shantungosaurus" title="Shantungosaurus">Shantungosaurus</a></i></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td><td class="noviewer navbox-image" rowspan="1" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/File:Qianjiangsaurus_changshengi.png" class="mw-file-description" title="Qianjiangsaurus changshengi"><img alt="Qianjiangsaurus changshengi" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Qianjiangsaurus_changshengi.png/100px-Qianjiangsaurus_changshengi.png" decoding="async" width="100" height="35" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Qianjiangsaurus_changshengi.png/150px-Qianjiangsaurus_changshengi.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Qianjiangsaurus_changshengi.png/200px-Qianjiangsaurus_changshengi.png 2x" data-file-width="2335" data-file-height="827" /></a></span> <p><span style="display: inline-block; transform: scaleX(-1);"><span typeof="mw:File"><a href="/wiki/File:Tlatolophus.png" class="mw-file-description" title="Tlatolophus galorum"><img alt="Tlatolophus galorum" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1a/Tlatolophus.png/100px-Tlatolophus.png" decoding="async" width="100" height="42" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1a/Tlatolophus.png/150px-Tlatolophus.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1a/Tlatolophus.png/200px-Tlatolophus.png 2x" data-file-width="3536" data-file-height="1500" /></a></span></span> <span typeof="mw:File"><a href="/wiki/File:Life_reconstruction_of_Lambeosaurus_lambei.png" class="mw-file-description" title="Lambeosaurus lambei"><img alt="Lambeosaurus lambei" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e6/Life_reconstruction_of_Lambeosaurus_lambei.png/100px-Life_reconstruction_of_Lambeosaurus_lambei.png" decoding="async" width="100" height="41" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e6/Life_reconstruction_of_Lambeosaurus_lambei.png/150px-Life_reconstruction_of_Lambeosaurus_lambei.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e6/Life_reconstruction_of_Lambeosaurus_lambei.png/200px-Life_reconstruction_of_Lambeosaurus_lambei.png 2x" data-file-width="1160" data-file-height="479" /></a></span> <span typeof="mw:File"><a href="/wiki/File:Gryposaurus%3F_alstasei_profile_reconstruction.jpg" class="mw-file-description" title="Gryposaurus? alsatei"><img alt="Gryposaurus? alsatei" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b1/Gryposaurus%3F_alstasei_profile_reconstruction.jpg/100px-Gryposaurus%3F_alstasei_profile_reconstruction.jpg" decoding="async" width="100" height="43" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b1/Gryposaurus%3F_alstasei_profile_reconstruction.jpg/150px-Gryposaurus%3F_alstasei_profile_reconstruction.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b1/Gryposaurus%3F_alstasei_profile_reconstruction.jpg/200px-Gryposaurus%3F_alstasei_profile_reconstruction.jpg 2x" data-file-width="3961" data-file-height="1684" /></a></span> </p> <span typeof="mw:File"><a href="/wiki/File:Shantungosaurus_life.png" class="mw-file-description" title="Shantungosaurus giganteus"><img alt="Shantungosaurus giganteus" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Shantungosaurus_life.png/100px-Shantungosaurus_life.png" decoding="async" width="100" height="51" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Shantungosaurus_life.png/150px-Shantungosaurus_life.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Shantungosaurus_life.png/200px-Shantungosaurus_life.png 2x" data-file-width="1520" data-file-height="777" /></a></span></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Related_articles" style="font-size:114%;margin:0 4em">Related articles</div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Ichnotaxon" title="Ichnotaxon">Ichnotaxa</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Amblydactylus" title="Amblydactylus">Amblydactylus</a></i></li> <li><i><a href="/wiki/Anomoepus" title="Anomoepus">Anomoepus</a></i></li> <li><i><a href="/wiki/Bonaparteichnium" title="Bonaparteichnium">Bonaparteichnium</a></i></li> <li><i><a href="/wiki/Camptosaurichnus" title="Camptosaurichnus">Camptosaurichnus</a></i></li> <li><i><a href="/wiki/Caririchnium" title="Caririchnium">Caririchnium</a></i></li> <li><i><a href="/wiki/Dakotasaurus" title="Dakotasaurus">Dakotasaurus</a></i></li> <li><i><a href="/wiki/Dinehichnus" title="Dinehichnus">Dinehichnus</a></i></li> <li><i><a href="/wiki/Hadrosaurichnus" title="Hadrosaurichnus">Hadrosaurichnus</a></i></li> <li><i><a href="/wiki/Iguanodontipus" title="Iguanodontipus">Iguanodontipus</a></i></li> <li><i><a href="/wiki/Orcauichnites" title="Orcauichnites">Orcauichnites</a></i></li> <li><i><a href="/wiki/Ornithopodichnites" title="Ornithopodichnites">Ornithopodichnites</a></i></li> <li><i><a href="/wiki/Shiraminesauropus" title="Shiraminesauropus">Shiraminesauropus</a></i></li> <li><i><a href="/wiki/Sousaichnium" title="Sousaichnium">Sousaichnium</a></i></li> <li><i><a href="/wiki/Staurichnium" title="Staurichnium">Staurichnium</a></i></li> <li><i><a href="/wiki/Tetrapodosaurus" title="Tetrapodosaurus">Tetrapodosaurus</a></i></li> <li><i><a href="/wiki/Wintonopus" title="Wintonopus">Wintonopus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Egg_fossil#Classification" title="Egg fossil">Ootaxa</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Guegoolithus" title="Guegoolithus">Guegoolithus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><i><a href="/wiki/Nomen_dubium" title="Nomen dubium">Nomina dubia</a></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><i><a href="/wiki/Arstanosaurus" title="Arstanosaurus">Arstanosaurus</a></i></li> <li><i><a href="/wiki/Cionodon" title="Cionodon">Cionodon</a></i></li> <li><i><a href="/wiki/Claorhynchus" title="Claorhynchus">Claorhynchus</a></i>?</li> <li><i><a href="/wiki/Diclonius" title="Diclonius">Diclonius</a></i></li> <li><i><a href="/wiki/Eucercosaurus" title="Eucercosaurus">Eucercosaurus</a></i></li> <li><i><a href="/wiki/Fulgurotherium" title="Fulgurotherium">Fulgurotherium</a></i></li> <li><i><a href="/wiki/Glishades" title="Glishades">Glishades</a></i></li> <li><i><a href="/wiki/Koutalisaurus" title="Koutalisaurus">Koutalisaurus</a></i></li> <li><i><a href="/wiki/Loncosaurus" title="Loncosaurus">Loncosaurus</a></i></li> <li><i><a href="/wiki/Mandschurosaurus" title="Mandschurosaurus">Mandschurosaurus</a></i></li> <li><i><a href="/wiki/Microhadrosaurus" title="Microhadrosaurus">Microhadrosaurus</a></i></li> <li><i><a href="/wiki/Orthomerus" title="Orthomerus">Orthomerus</a></i></li> <li><i><a href="/wiki/Pteropelyx" title="Pteropelyx">Pteropelyx</a></i></li> <li><i><a href="/wiki/Siluosaurus" title="Siluosaurus">Siluosaurus</a></i></li> <li><i><a href="/wiki/Stephanosaurus" title="Stephanosaurus">Stephanosaurus</a></i></li> <li><i><a href="/wiki/Syngonosaurus" title="Syngonosaurus">Syngonosaurus</a></i></li> <li><i><a href="/wiki/Thespesius" title="Thespesius">Thespesius</a></i></li> <li><i><a href="/wiki/Tichosteus" title="Tichosteus">Tichosteus</a></i></li> <li><i><a href="/wiki/Trachodon" title="Trachodon">Trachodon</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other articles</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Arkharavia" title="Arkharavia">Arkharavia</a></i></li> <li><a href="/wiki/Basturs_Poble_bonebed" title="Basturs Poble bonebed">Basturs Poble bonebed</a></li> <li><a href="/wiki/Dakota_(fossil)" title="Dakota (fossil)">Dakota (fossil)</a></li> <li><a href="/wiki/Hadrosaur_diet" title="Hadrosaur diet">Hadrosaur diet</a></li> <li><a href="/wiki/Hypsilophodont" class="mw-redirect" title="Hypsilophodont">Hypsilophodont</a></li> <li><a href="/wiki/List_of_informal_dinosaur_names" class="mw-redirect" title="List of informal dinosaur names">List of informal dinosaur names</a> (contains hadrosaur <i>nomina nuda</i>)</li> <li><a href="/wiki/Timeline_of_hadrosaur_research" title="Timeline of hadrosaur research">Timeline of hadrosaur research</a></li> <li><a href="/wiki/Edmontosaurus_mummy_AMNH_5060" title="Edmontosaurus mummy AMNH 5060"><i>Edmontosaurus</i> mummy AMNH 5060</a></li> <li><a href="/wiki/Edmontosaurus_mummy_S.M._R4036" class="mw-redirect" title="Edmontosaurus mummy S.M. R4036"><i>Edmontosaurus</i> mummy S.M. R4036</a></li> <li><i><a href="/wiki/Willinakaqe" title="Willinakaqe">Willinakaqe</a></i></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>Kritosaurus</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/Q968771" class="extiw" title="wikidata:Q968771">Q968771</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/Kritosaurus" class="extiw" title="wikispecies:Kritosaurus">Kritosaurus</a></span></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/4531735">4531735</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Global_Biodiversity_Information_Facility" title="Global Biodiversity Information Facility">GBIF</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://www.gbif.org/species/4823285">4823285</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Interim_Register_of_Marine_and_Nonmarine_Genera" title="Interim Register of Marine and Nonmarine Genera">IRMNG</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://www.irmng.org/aphia.php?p=taxdetails&id=1091843">1091843</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=4947890">4947890</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=53195">53195</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; 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