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<div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Extinct genus of reptiles</div> <p class="mw-empty-elt"> </p> <table class="infobox biota" style="text-align: left; width: 200px; font-size: 100%"> <tbody><tr> <th colspan="2" style="color:inherit; text-align: center; background-color: rgb(235,235,210)"><i>Thaisaurus</i><br /><div style="font-size: 85%;">Temporal range: <a href="/wiki/Early_Triassic" title="Early Triassic">Early Triassic</a></div> </th></tr> <tr> <td colspan="2" style="text-align: center"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Thaisaurus_chonglakmanii_5.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Thaisaurus_chonglakmanii_5.JPG/220px-Thaisaurus_chonglakmanii_5.JPG" decoding="async" width="220" height="119" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Thaisaurus_chonglakmanii_5.JPG/330px-Thaisaurus_chonglakmanii_5.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Thaisaurus_chonglakmanii_5.JPG/440px-Thaisaurus_chonglakmanii_5.JPG 2x" data-file-width="3104" data-file-height="1679" /></a></span> </td></tr> <tr> <td colspan="2" style="text-align: center; font-size: 88%">Fossil </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/Thaisaurus" 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>Class: </td> <td><a href="/wiki/Reptile" title="Reptile">Reptilia</a> </td></tr> <tr> <td>Superorder: </td> <td><span style="font-style:normal;font-weight:normal;">†</span><a href="/wiki/Ichthyopterygia" title="Ichthyopterygia">Ichthyopterygia</a> </td></tr> <tr> <td>Family: </td> <td><span style="font-style:normal;font-weight:normal;">†</span><a class="mw-selflink selflink">Thaisauridae</a><br /><small>Maisch, 2010</small> </td></tr> <tr> <td>Genus: </td> <td><span style="font-style:normal;font-weight:normal;">†</span><a class="mw-selflink selflink"><i>Thaisaurus</i></a><br /><small>Mazin <i>et al.</i>, <a href="/wiki/1991_in_paleontology" title="1991 in paleontology">1991</a></small> </td></tr> <tr> <th colspan="2" style="color:inherit; text-align: center; background-color: rgb(235,235,210)"><a href="/wiki/Type_species" title="Type species">Type species</a> </th></tr> <tr> <td colspan="2" style="text-align: center"><abbr title="Extinct" aria-label="Extinct" style="border: none; text-decoration: none; cursor: inherit; font-weight: normal; font-style: normal;">†</abbr><i><b>Thaisaurus chonglakmanii</b></i><br /><div style="font-size: 85%;">Mazin <i>et al.</i>, 1991</div> </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>Thaisaurus</b></i> is an extinct <a href="/wiki/Genus" title="Genus">genus</a> of <a href="/wiki/Ichthyopterygia" title="Ichthyopterygia">ichthyopterygian</a> <a href="/wiki/Marine_reptile" title="Marine reptile">marine reptile</a> that lived during the Spathian<sup id="cite_ref-Tongtherm_et_al_2020_1-0" class="reference"><a href="#cite_note-Tongtherm_et_al_2020-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> (late <a href="/wiki/Olenekian" title="Olenekian">Olenekian</a>, <a href="/wiki/Early_Triassic" title="Early Triassic">Early Triassic</a>). Fossils have been found in Thailand.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Discovery">Discovery</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Thaisaurus&action=edit&section=1" title="Edit section: Discovery"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The <a href="/wiki/Type_specimen" class="mw-redirect" title="Type specimen">type specimen</a> of <i>Thaisaurus</i> was discovered by Chongpan Chonglakmani on the hill Khao Thong, around <a href="/wiki/Phattalung" class="mw-redirect" title="Phattalung">Phattalung</a>, <a href="/wiki/Thailand" title="Thailand">Thailand</a>. This specimen consists of a <a href="/wiki/Skull" title="Skull">skull</a>, partial <a href="/wiki/Vertebra" title="Vertebra">vertebral</a> series, and an incomplete fore- and hindlimb and was preserved in resistant <a href="/wiki/Dolomite_(rock)" title="Dolomite (rock)">dolomite</a>, alongside two other poorly preserved <a href="/wiki/Fossil#Casts_and_molds" title="Fossil">natural molds</a> of other specimens. The type specimen was subsequently extracted in 1988 by a joint paleontological expedention from Thailand and <a href="/wiki/France" title="France">France</a>. The specimen is housed in the <a href="/wiki/Department_of_Mineral_Resources_(Thailand)" title="Department of Mineral Resources (Thailand)">Department of Mineral Resources</a> of <a href="/wiki/Bangkok" title="Bangkok">Bangkok</a>, where it received the number TF2454.<sup id="cite_ref-Mazin1991_3-0" class="reference"><a href="#cite_note-Mazin1991-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> The specimen has yet to be fully <a href="/wiki/Fossil_preparation" title="Fossil preparation">prepared</a>.<sup id="cite_ref-McGowanMotani2003_4-0" class="reference"><a href="#cite_note-McGowanMotani2003-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 63">: 63 </span></sup> Mazin and colleagues described the specimen in 1991, naming it <i>Thaisaurus chonglakmanii</i>, in honor of the country it came from and its discoverer.<sup id="cite_ref-Mazin1991_3-1" class="reference"><a href="#cite_note-Mazin1991-3"><span class="cite-bracket">[</span>3<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=Thaisaurus&action=edit&section=2" title="Edit section: Description"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><i>Thaisaurus</i> is a small ichthyopterygian, a group of marine reptiles.<sup id="cite_ref-Motani1999_5-0" class="reference"><a href="#cite_note-Motani1999-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> While later members of this group were not unlike fish in body shape, Early Triassic ichthyopterygians had more <a href="/wiki/Lizard" title="Lizard">lizard</a>-like bodies. However, they still possessed low <a href="/wiki/Caudal_fin" class="mw-redirect" title="Caudal fin">tail fins</a> and their limbs were encased in flippers.<sup id="cite_ref-Motani2005_6-0" class="reference"><a href="#cite_note-Motani2005-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> While rather similar to its fellow ichthyopterygian <i>Chaohusaurus</i>,<sup id="cite_ref-Motani1999_5-1" class="reference"><a href="#cite_note-Motani1999-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> <i>Thaisaurus</i> also shows some differences.<sup id="cite_ref-Maisch2010_7-0" class="reference"><a href="#cite_note-Maisch2010-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> Some features of <i>Thaisaurus</i> resemble those of the later, better adapted ichthyosaurs while others represent the group’s ancestral characteristics.<sup id="cite_ref-Mazin1993_8-0" class="reference"><a href="#cite_note-Mazin1993-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> However, the anatomy of <i>Thaisaurus</i> is poorly understood, with further preparation and study needed.<sup id="cite_ref-McGowanMotani2003_4-1" class="reference"><a href="#cite_note-McGowanMotani2003-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 63">: 63 </span></sup><sup id="cite_ref-Maisch2010_7-1" class="reference"><a href="#cite_note-Maisch2010-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p><p>The skull of <i>Thaisaurus</i> bears enlarged, rounded <a href="/wiki/Orbit_(anatomy)" title="Orbit (anatomy)">orbits</a> (openings that housed the eyes) and is drawn out into a long, thin snout. The massive <a href="/wiki/Frontal_bone" title="Frontal bone">frontals</a> and <a href="/wiki/Parietal_bone" title="Parietal bone">parietals</a>, two pairs of skull roof bones, both contact the <a href="/wiki/Pineal_foramen" class="mw-redirect" title="Pineal foramen">pineal foramen</a> (a small hole along the skull’s midline). The small, broad <a href="/wiki/Supratemporal_fenestrae" class="mw-redirect" title="Supratemporal fenestrae">supratemporal fenestrae</a> (openings behind the orbits) have quadrangular boundaries. The outer edges of these openings are formed by the well-developed <a href="/wiki/Postorbital_bone" title="Postorbital bone">postorbitals</a> (paired skull bones behind the orbits). To the rear edges of the postorbitals are the small <a href="/wiki/Squamosal_bone" title="Squamosal bone">squamosals</a>.<sup id="cite_ref-Mazin1993_8-1" class="reference"><a href="#cite_note-Mazin1993-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> An elongated ridge is present along the rear edges of the postorbitals.<sup id="cite_ref-Maisch2000_9-0" class="reference"><a href="#cite_note-Maisch2000-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> The postfrontals (a pair of skull roof bones) do not form any part of the borders of the supratemporal fenestrae.<sup id="cite_ref-Maisch2010_7-2" class="reference"><a href="#cite_note-Maisch2010-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p><p>The narrow,<sup id="cite_ref-Maisch2010_7-3" class="reference"><a href="#cite_note-Maisch2010-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> pointed teeth of <i>Thaisaurus</i> are all <a href="/wiki/Homodont" class="mw-redirect" title="Homodont">identical in shape</a> and firmly implanted in extensive,<sup id="cite_ref-Motani1999_5-2" class="reference"><a href="#cite_note-Motani1999-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> partially enclosed <a href="/wiki/Tooth_socket" class="mw-redirect" title="Tooth socket">sockets</a>. The outer surfaces of their crowns are smooth and the roots lack infolding. The teeth in its lower jaw are smaller than those in its upper.<sup id="cite_ref-Mazin1991_3-2" class="reference"><a href="#cite_note-Mazin1991-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Unlike <i><a href="/wiki/Grippia" title="Grippia">Grippia</a></i> and <i>Chaohusaurus</i>, Mazin and colleagues reported that <i>Thaisaurus</i> did not have blunted teeth at the back of its jaws.<sup id="cite_ref-Mazin1991_3-3" class="reference"><a href="#cite_note-Mazin1991-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Motani1999_5-3" class="reference"><a href="#cite_note-Motani1999-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> However, Motani noted in 2003 that the back teeth of <i>Thaisaurus</i> are not exposed, so the presence or absence of blunt teeth cannot be confirmed.<sup id="cite_ref-McGowanMotani2003_4-2" class="reference"><a href="#cite_note-McGowanMotani2003-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 63">: 63 </span></sup> </p><p>The <a href="/wiki/Vertebral_centra" class="mw-redirect" title="Vertebral centra">centra</a> (bodies) of presacral vertebrae, those in front of the hips, are short measured from front to back, differing from the much more elongate <a href="/wiki/Caudal_vertebrae" title="Caudal vertebrae">vertebrae in the tail</a>. The <a href="/wiki/Neural_spine" class="mw-redirect" title="Neural spine">neural spines</a> in the area of the hips are tall, some exceeding twice the height of the centra. The known ribs of <i>Thaisaurus</i> are single-headed, each bearing just one surface articulating with the vertebra.<sup id="cite_ref-Mazin1991_3-4" class="reference"><a href="#cite_note-Mazin1991-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> The forelimbs of <i>Thaisaurus</i> are longer than its hindlimbs, with both sets of limbs composed of elongated bones.<sup id="cite_ref-Mazin1993_8-2" class="reference"><a href="#cite_note-Mazin1993-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> Each <a href="/wiki/Humerus" title="Humerus">humerus</a> (upper arm bone) is straight and lacks a projecting flange on its front edge.<sup id="cite_ref-Mazin1991_3-5" class="reference"><a href="#cite_note-Mazin1991-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Similar to <i>Chaohusaurus</i>, <i>Thaisaurus</i> has a large, forwards projection on the upper end of each <a href="/wiki/Radius_(bone)" title="Radius (bone)">radius</a> (front lower arm bone),<sup id="cite_ref-Motani1999_5-4" class="reference"><a href="#cite_note-Motani1999-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> as well as <a href="/wiki/Ulna" title="Ulna">ulnae</a> (rear lower arm bones) with constricted shafts.<sup id="cite_ref-McGowanMotani2003_4-3" class="reference"><a href="#cite_note-McGowanMotani2003-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 63">: 63 </span></sup> The <a href="/wiki/Femora" class="mw-redirect" title="Femora">femora</a> (upper leg bones) are straight and are three quarters the length of the humerus.<sup id="cite_ref-Mazin1991_3-6" class="reference"><a href="#cite_note-Mazin1991-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> The first and fifth <a href="/wiki/Metacarpal" class="mw-redirect" title="Metacarpal">metacarpals</a> are identical in size.<sup id="cite_ref-Maisch2010_7-4" class="reference"><a href="#cite_note-Maisch2010-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> There are a total of five digits in each hindlimb.<sup id="cite_ref-Mazin1993_8-3" class="reference"><a href="#cite_note-Mazin1993-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Classification">Classification</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Thaisaurus&action=edit&section=3" title="Edit section: Classification"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Validity">Validity</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Thaisaurus&action=edit&section=4" title="Edit section: Validity"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Mazin and colleagues in 1991 considered the features exhibited by <i>Thaisaurus</i> to be unique among ichthyopterygians.<sup id="cite_ref-Mazin1991_3-7" class="reference"><a href="#cite_note-Mazin1991-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> In 2003, however, Motani argued that some of these supposed distinctive features were actually a result of misinterpretation on the fossils. He considered it possible that the specimen instead represented a juvenile <i>Chaohusaurus</i>, though noted that more preparation would be needed before more detailed study could be conducted.<sup id="cite_ref-McGowanMotani2003_4-4" class="reference"><a href="#cite_note-McGowanMotani2003-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 63">: 63 </span></sup> However, Maisch did not consider the synonymy of <i>Thaisaurus</i> and <i>Chaohusaurus</i> plausible, considering the two genera to be sufficiently distinct, and in 2010, named a new <a href="/wiki/Monotypic" class="mw-redirect" title="Monotypic">monotypic</a> <a href="/wiki/Family_(biology)" title="Family (biology)">family</a>, Thaisauridae, for the former. Nevertheless, he also agreed that restudy was necessary.<sup id="cite_ref-Maisch2010_7-5" class="reference"><a href="#cite_note-Maisch2010-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Phylogeny">Phylogeny</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Thaisaurus&action=edit&section=5" title="Edit section: Phylogeny"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>While <i>Thaisaurus</i> is widely regarded as a basal (early-diverging) ichthyopterygian,<sup id="cite_ref-Mazin1991_3-8" class="reference"><a href="#cite_note-Mazin1991-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Maisch2010_7-6" class="reference"><a href="#cite_note-Maisch2010-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> its relationships with other basal ichthyopterygians are not well understood due to the poor preservation of the holotype, frequently leading to its exclusion from analyses of ichthyosaur relationships.<sup id="cite_ref-Motani1999_5-5" class="reference"><a href="#cite_note-Motani1999-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Moon2017_10-0" class="reference"><a href="#cite_note-Moon2017-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> Mazin and colleagues noted in 1991 that the ichthyopterygians of the Early Triassic could be divided into two groups: one with shortened snouts and crushing teeth, the other with longer snouts and uniform conical teeth. They considered the former group to potentially be relatives of the <a href="/wiki/Mixosaurid" class="mw-redirect" title="Mixosaurid">mixosaurids</a> and <a href="/wiki/Omphalosaurid" class="mw-redirect" title="Omphalosaurid">omphalosaurids</a>, while the latter group, to which they assigned <i>Thaisaurus</i>, were considered part of the "true" ichthyosaur line that persisted beyond the Triassic.<sup id="cite_ref-Mazin1991_3-9" class="reference"><a href="#cite_note-Mazin1991-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>However, later studies of ichthyopterygians did not support this dichotomy.<sup id="cite_ref-McGowanMotani2003_4-5" class="reference"><a href="#cite_note-McGowanMotani2003-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 143">: 143 </span></sup> Motani's 1999 <a href="/wiki/Cladistic_analysis" class="mw-redirect" title="Cladistic analysis">cladistic analysis</a> found various Early Triassic ichthyopterygians, such as <i>Utatsusaurus</i> but also <i>Grippia</i> and <i>Chaohusaurus</i>, to form a <a href="/wiki/Paraphyletic" class="mw-redirect" title="Paraphyletic">grade</a> leading to the "intermediate" ichthyosaurs of the later Triassic, which in turn gave rise to the post-Triassic ichthyosaurs. Due to its poor preservation, Motani did not include <i>Thaisaurus</i> in the analysis, instead listing it as Ichthyopterygia <i><a href="/wiki/Incertae_sedis" title="Incertae sedis">incertae sedis</a></i>.<sup id="cite_ref-Motani1999_5-6" class="reference"><a href="#cite_note-Motani1999-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Motani2005_6-1" class="reference"><a href="#cite_note-Motani2005-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> Another cladistic analysis of the group was conducted by Maisch and Matzke in 2000. While not without differences, their topology was broadly similar to that of Motani's. They included <i>Thaisaurus</i> in their analysis, finding it to be the first-diverging member of the group.<sup id="cite_ref-Maisch2000_9-1" class="reference"><a href="#cite_note-Maisch2000-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> However, Motani voiced doubts about the stability of the topology at the base of the cladogram recovered by Maisch and Matzke.<sup id="cite_ref-McGowanMotani2003_4-6" class="reference"><a href="#cite_note-McGowanMotani2003-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 146">: 146 </span></sup> </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=Thaisaurus&action=edit&section=6" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/List_of_ichthyosaurs" class="mw-redirect" title="List of ichthyosaurs">List of ichthyosaurs</a></li> <li><a href="/wiki/Timeline_of_ichthyosaur_research" title="Timeline of ichthyosaur research">Timeline of ichthyosaur 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=Thaisaurus&action=edit&section=7" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-Tongtherm_et_al_2020-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-Tongtherm_et_al_2020_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="CITEREFTongthermShigetaSardsudSashida2020" class="citation journal cs1">Tongtherm, Kittichai; Shigeta, Yasunari; Sardsud, Apsorn; Sashida, Katsuo; Agematsu, Sachiko (October 2020). 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td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="Ichthyosauromorpha324" style="padding:3px"><table class="nowraplinks hlist mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Ichthyosauromorpha" title="Template:Ichthyosauromorpha"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Ichthyosauromorpha" title="Template talk:Ichthyosauromorpha"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Ichthyosauromorpha" title="Special:EditPage/Template:Ichthyosauromorpha"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Ichthyosauromorpha324" style="font-size:114%;margin:0 4em"><a href="/wiki/Ichthyosauromorpha" title="Ichthyosauromorpha">Ichthyosauromorpha</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="*_Kingdom:_Animalia_*_Phylum:_Chordata_*_Class:_Sauropsida_*_Subclass:_Diapsida_*_Clade:_Neodiapsida324" style="font-size:114%;margin:0 4em"><span style="font-weight:normal; font-style:normal"><span style="font-size:85%;"> <ul><li>Kingdom: <a href="/wiki/Animal" title="Animal">Animalia</a></li> <li>Phylum: <a href="/wiki/Chordate" title="Chordate">Chordata</a></li> <li>Class: <a href="/wiki/Sauropsida" title="Sauropsida">Sauropsida</a></li> <li>Subclass: <a href="/wiki/Diapsid" title="Diapsid">Diapsida</a></li> <li><i>Clade</i>: <a href="/wiki/Neodiapsida" class="mw-redirect" title="Neodiapsida">Neodiapsida</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="Sauropsida14" scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Sauropsida" title="Sauropsida">Sauropsida</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:Sauropsida" title="Template:Sauropsida">Sauropsida</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Ichthyosauromorpha" title="Ichthyosauromorpha">Ichthyosauromorpha</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><ul><li>see below↓</li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible uncollapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><div id="Ichthyosauromorpha324" style="font-size:114%;margin:0 4em"><a href="/wiki/Ichthyosauromorpha" title="Ichthyosauromorpha">Ichthyosauromorpha</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="Ichthyosauromorpha310" scope="row" class="navbox-group" style="width:1%"><div style="position:absolute;-webkit-transform:translate(-50%,-50%) rotate(270deg);-moz-transform:translate(-50%,-50%) rotate(270deg);-ms-transform:translate(-50%,-50%) rotate(270deg);-o-transform:translate(-50%,-50%) rotate(270deg);transform:translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Ichthyosauromorpha" title="Ichthyosauromorpha">Ichthyosauromorpha</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/Baisesaurus" title="Baisesaurus">Baisesaurus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Hupehsuchia" title="Hupehsuchia">Hupehsuchia</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/Eohupehsuchus" title="Eohupehsuchus">Eohupehsuchus</a></i></li> <li><i><a href="/wiki/Nanchangosaurus" title="Nanchangosaurus">Nanchangosaurus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Hupehsuchidae" class="mw-redirect" title="Hupehsuchidae">Hupehsuchidae</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/Hupehsuchus" title="Hupehsuchus">Hupehsuchus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Parahupehsuchinae" class="mw-redirect" title="Parahupehsuchinae">Parahupehsuchinae</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/Eretmorhipis" title="Eretmorhipis">Eretmorhipis</a></i></li> <li><i><a href="/wiki/Parahupehsuchus" title="Parahupehsuchus">Parahupehsuchus</a></i></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Ichthyosauriformes" title="Ichthyosauriformes">Ichthyosauriformes</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Omphalosauridae" title="Omphalosauridae">Omphalosauridae</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/Cartorhynchus" title="Cartorhynchus">Cartorhynchus</a></i></li> <li><i><a href="/wiki/Omphalosaurus" title="Omphalosaurus">Omphalosaurus</a></i></li> <li><i><a href="/wiki/Sclerocormus" title="Sclerocormus">Sclerocormus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Ichthyopterygia" title="Ichthyopterygia">Ichthyopterygia</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/Isfjordosaurus" title="Isfjordosaurus">Isfjordosaurus</a></i>?</li> <li><i><a href="/wiki/Chaohusaurus" title="Chaohusaurus">Chaohusaurus</a></i></li> <li><i><a class="mw-selflink selflink">Thaisaurus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Eoichthyosauria" class="mw-redirect" title="Eoichthyosauria">Eoichthyosauria</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Grippidia" class="mw-redirect" title="Grippidia">Grippidia</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/Parvinatator" title="Parvinatator">Parvinatator</a></i></li> <li><i><a href="/wiki/Utatsusaurus" title="Utatsusaurus">Utatsusaurus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Grippiidae" class="mw-redirect" title="Grippiidae">Grippiidae</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/Gulosaurus" title="Gulosaurus">Gulosaurus</a></i></li> <li><i><a href="/wiki/Grippia" title="Grippia">Grippia</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/Ichthyosauria" title="Ichthyosauria">Ichthyosauria</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></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:Hupehsuchus.jpg" class="mw-file-description" title="Hupehsuchus nanchangensis"><img alt="Hupehsuchus nanchangensis" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/ac/Hupehsuchus.jpg/140px-Hupehsuchus.jpg" decoding="async" width="140" height="84" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/ac/Hupehsuchus.jpg/210px-Hupehsuchus.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/ac/Hupehsuchus.jpg/280px-Hupehsuchus.jpg 2x" data-file-width="2244" data-file-height="1345" /></a></span> <p><span typeof="mw:File"><a href="/wiki/File:Utatsusaurus_BW.jpg" class="mw-file-description" title="Utatsusaurus hataii"><img alt="Utatsusaurus hataii" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/60/Utatsusaurus_BW.jpg/140px-Utatsusaurus_BW.jpg" decoding="async" width="140" height="65" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/60/Utatsusaurus_BW.jpg/210px-Utatsusaurus_BW.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/60/Utatsusaurus_BW.jpg/280px-Utatsusaurus_BW.jpg 2x" data-file-width="800" data-file-height="372" /></a></span> </p> <span typeof="mw:File"><a href="/wiki/File:Grippia1DB.jpg" class="mw-file-description" title="Grippia longirostris"><img alt="Grippia longirostris" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/31/Grippia1DB.jpg/140px-Grippia1DB.jpg" decoding="async" width="140" height="57" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/31/Grippia1DB.jpg/210px-Grippia1DB.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/31/Grippia1DB.jpg/280px-Grippia1DB.jpg 2x" data-file-width="1800" data-file-height="735" /></a></span></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><div id="Ichthyosauria324" style="font-size:114%;margin:0 4em"><a href="/wiki/Ichthyosauria" title="Ichthyosauria">Ichthyosauria</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="Ichthyosauria305" scope="row" class="navbox-group" style="width:1%"><div style="position:absolute;-webkit-transform:translate(-50%,-50%) rotate(270deg);-moz-transform:translate(-50%,-50%) rotate(270deg);-ms-transform:translate(-50%,-50%) rotate(270deg);-o-transform:translate(-50%,-50%) rotate(270deg);transform:translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Ichthyosauria" title="Ichthyosauria">Ichthyosauria</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/Quasianosteosaurus" title="Quasianosteosaurus">Quasianosteosaurus</a></i></li> <li><i><a href="/wiki/Tholodus" title="Tholodus">Tholodus</a></i>?</li> <li><i><a href="/wiki/Xinminosaurus" title="Xinminosaurus">Xinminosaurus</a></i>?</li></ul> </div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Cymbospondylidae20" scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Cymbospondylidae" title="Cymbospondylidae">Cymbospondylidae</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/Cymbospondylus" title="Cymbospondylus">Cymbospondylus</a></i></li> <li><i><a href="/wiki/Phantomosaurus" title="Phantomosaurus">Phantomosaurus</a></i>?</li> <li><i><a href="/wiki/Thalattoarchon" title="Thalattoarchon">Thalattoarchon</a></i>?</li> <li><i><a href="/wiki/Xinminosaurus" title="Xinminosaurus">Xinminosaurus</a></i>?</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><div style="position:absolute;-webkit-transform:translate(-50%,-50%) rotate(270deg);-moz-transform:translate(-50%,-50%) rotate(270deg);-ms-transform:translate(-50%,-50%) rotate(270deg);-o-transform:translate(-50%,-50%) rotate(270deg);transform:translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Hueneosauria" title="Hueneosauria">Hueneosauria</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><b><a href="/wiki/Cymbospondylidae" title="Cymbospondylidae">Cymbospondylidae</a></b>?</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Mixosauridae" title="Mixosauridae">Mixosauridae</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/Barracudasauroides" title="Barracudasauroides">Barracudasauroides</a></i></li> <li><i><a href="/wiki/Contectopalatus" class="mw-redirect" title="Contectopalatus">Contectopalatus</a></i></li> <li><i><a href="/wiki/Mixosaurus" title="Mixosaurus">Mixosaurus</a></i></li> <li><i><a href="/wiki/Phalarodon" title="Phalarodon">Phalarodon</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Merriamosauria" title="Merriamosauria">Merriamosauria</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/Besanosaurus" title="Besanosaurus">Besanosaurus</a></i></li> <li><i><a href="/wiki/Guizhouichthyosaurus" title="Guizhouichthyosaurus">Guizhouichthyosaurus</a></i></li> <li><i><a href="/wiki/Pessopteryx" title="Pessopteryx">Pessopteryx</a></i>?</li> <li><i><a href="/wiki/Wimanius" title="Wimanius">Wimanius</a></i>?</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Shastasauridae" title="Shastasauridae">Shastasauridae</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/Besanosaurus" title="Besanosaurus">Besanosaurus</a></i>?</li> <li><i><a href="/wiki/Guanlingsaurus" title="Guanlingsaurus">Guanlingsaurus</a></i>?</li> <li><i><a href="/wiki/Guizhouichthyosaurus" title="Guizhouichthyosaurus">Guizhouichthyosaurus</a></i>?</li> <li><i><a href="/wiki/Himalayasaurus" title="Himalayasaurus">Himalayasaurus</a></i>?</li> <li><i><a href="/wiki/Ichthyotitan" title="Ichthyotitan">Ichthyotitan</a></i>?</li> <li><i><a href="/wiki/Shastasaurus" title="Shastasaurus">Shastasaurus</a></i></li> <li><i><a href="/wiki/Shonisaurus" title="Shonisaurus">Shonisaurus</a></i>?</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Euichthyosauria" class="mw-redirect" title="Euichthyosauria">Euichthyosauria</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/Auroroborealia" title="Auroroborealia">Auroroborealia</a></i>?</li> <li><i><a href="/wiki/Californosaurus" title="Californosaurus">Californosaurus</a></i></li> <li><i><a href="/wiki/Callawayia" title="Callawayia">Callawayia</a></i></li> <li><i><a href="/wiki/Guizhouichthyosaurus" title="Guizhouichthyosaurus">Guizhouichthyosaurus</a></i>?</li> <li><i><a href="/wiki/Mikadocephalus" class="mw-redirect" title="Mikadocephalus">Mikadocephalus</a></i>?</li> <li><i><a href="/wiki/Shonisaurus" title="Shonisaurus">Shonisaurus</a></i>?</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Toretocnemidae" title="Toretocnemidae">Toretocnemidae</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/Qianichthyosaurus" title="Qianichthyosaurus">Qianichthyosaurus</a></i>?</li> <li><i><a href="/wiki/Toretocnemus" title="Toretocnemus">Toretocnemus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Parvipelvia" title="Parvipelvia">Parvipelvia</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 navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Nomina_dubia33" 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-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Barracudasaurus" title="Barracudasaurus">Barracudasaurus</a></i></li> <li><i><a href="/wiki/Pachygonosaurus" title="Pachygonosaurus">Pachygonosaurus</a></i></li> <li><i><a href="/wiki/Pessosaurus" title="Pessosaurus">Pessosaurus</a></i></li> <li><i><a href="/w/index.php?title=Sphaerodontes&action=edit&redlink=1" class="new" title="Sphaerodontes (page does not exist)">Sphaerodontes</a></i></li> <li><i><a href="/wiki/Svalbardosaurus" title="Svalbardosaurus">Svalbardosaurus</a></i></li> <li><i><a href="/w/index.php?title=Tibetosaurus&action=edit&redlink=1" class="new" title="Tibetosaurus (page does not exist)">Tibetosaurus</a></i></li></ul> </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:Cymbospondylus_petrinus_SW_Small.png" class="mw-file-description" title="Cymbospondylus petrinus"><img alt="Cymbospondylus petrinus" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bd/Cymbospondylus_petrinus_SW_Small.png/140px-Cymbospondylus_petrinus_SW_Small.png" decoding="async" width="140" height="32" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bd/Cymbospondylus_petrinus_SW_Small.png/210px-Cymbospondylus_petrinus_SW_Small.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bd/Cymbospondylus_petrinus_SW_Small.png/280px-Cymbospondylus_petrinus_SW_Small.png 2x" data-file-width="2100" data-file-height="475" /></a></span> <p><span typeof="mw:File"><a href="/wiki/File:PhalarodonDB15.jpg" class="mw-file-description" title="Phalarodon"><img alt="Phalarodon" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/24/PhalarodonDB15.jpg/140px-PhalarodonDB15.jpg" decoding="async" width="140" height="49" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/24/PhalarodonDB15.jpg/210px-PhalarodonDB15.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/24/PhalarodonDB15.jpg/280px-PhalarodonDB15.jpg 2x" data-file-width="2415" data-file-height="850" /></a></span> <span typeof="mw:File"><a href="/wiki/File:Shonisaurus_popularisDB.jpg" class="mw-file-description" title="Shonisaurus popularis"><img alt="Shonisaurus popularis" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/56/Shonisaurus_popularisDB.jpg/140px-Shonisaurus_popularisDB.jpg" decoding="async" width="140" height="80" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/56/Shonisaurus_popularisDB.jpg/210px-Shonisaurus_popularisDB.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/56/Shonisaurus_popularisDB.jpg/280px-Shonisaurus_popularisDB.jpg 2x" data-file-width="4200" data-file-height="2400" /></a></span> </p> <span typeof="mw:File"><a href="/wiki/File:Californosaurus_BW.jpg" class="mw-file-description" title="Californosaurus perrini"><img alt="Californosaurus perrini" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Californosaurus_BW.jpg/140px-Californosaurus_BW.jpg" decoding="async" width="140" height="50" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Californosaurus_BW.jpg/210px-Californosaurus_BW.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Californosaurus_BW.jpg/280px-Californosaurus_BW.jpg 2x" data-file-width="800" data-file-height="288" /></a></span></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><div id="Parvipelvia324" style="font-size:114%;margin:0 4em"><a href="/wiki/Parvipelvia" title="Parvipelvia">Parvipelvia</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="Parvipelvia303" scope="row" class="navbox-group" style="width:1%"><div style="position:absolute;-webkit-transform:translate(-50%,-50%) rotate(270deg);-moz-transform:translate(-50%,-50%) rotate(270deg);-ms-transform:translate(-50%,-50%) rotate(270deg);-o-transform:translate(-50%,-50%) rotate(270deg);transform:translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Parvipelvia" title="Parvipelvia">Parvipelvia</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/Hudsonelpidia" title="Hudsonelpidia">Hudsonelpidia</a></i></li> <li><i><a href="/wiki/Macgowania" title="Macgowania">Macgowania</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><div style="position:absolute;-webkit-transform:translate(-50%,-50%) rotate(270deg);-moz-transform:translate(-50%,-50%) rotate(270deg);-ms-transform:translate(-50%,-50%) rotate(270deg);-o-transform:translate(-50%,-50%) rotate(270deg);transform:translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Neoichthyosauria" class="mw-redirect" title="Neoichthyosauria">Neoichthyosauria</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/Dearcmhara" title="Dearcmhara">Dearcmhara</a></i></li> <li><i><a href="/wiki/Hauffiopteryx" title="Hauffiopteryx">Hauffiopteryx</a></i></li> <li><i><a href="/wiki/Suevoleviathan" title="Suevoleviathan">Suevoleviathan</a></i></li></ul> </div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Temnodontosauroidea?24" scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Temnodontosauroidea" class="mw-redirect" title="Temnodontosauroidea">Temnodontosauroidea</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"><i><a href="/wiki/Temnodontosaurus" title="Temnodontosaurus">Temnodontosaurus</a></i></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Leptonectidae" title="Leptonectidae">Leptonectidae</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/Eurhinosaurus" title="Eurhinosaurus">Eurhinosaurus</a></i>?</li> <li><i><a href="/wiki/Excalibosaurus" title="Excalibosaurus">Excalibosaurus</a></i>?</li> <li><i><a href="/wiki/Leptonectes" title="Leptonectes">Leptonectes</a></i></li> <li><i><a href="/wiki/Wahlisaurus" title="Wahlisaurus">Wahlisaurus</a></i>?</li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><div style="position:absolute;-webkit-transform:translate(-50%,-50%) rotate(270deg);-moz-transform:translate(-50%,-50%) rotate(270deg);-ms-transform:translate(-50%,-50%) rotate(270deg);-o-transform:translate(-50%,-50%) rotate(270deg);transform:translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Thunnosauria" title="Thunnosauria">Thunnosauria</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><th id="Ichthyosauridae19" scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Ichthyosauridae" title="Ichthyosauridae">Ichthyosauridae</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/Ichthyosaurus" title="Ichthyosaurus">Ichthyosaurus</a></i></li> <li><i><a href="/wiki/Malawania" title="Malawania">Malawania</a></i>?</li> <li><i><a href="/wiki/Protoichthyosaurus" title="Protoichthyosaurus">Protoichthyosaurus</a></i>?</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><div style="position:absolute;-webkit-transform:translate(-50%,-50%) rotate(270deg);-moz-transform:translate(-50%,-50%) rotate(270deg);-ms-transform:translate(-50%,-50%) rotate(270deg);-o-transform:translate(-50%,-50%) rotate(270deg);transform:translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Baracromia" class="mw-redirect" title="Baracromia">Baracromia</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/Chacaicosaurus" title="Chacaicosaurus">Chacaicosaurus</a></i>?</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Stenopterygiidae" title="Stenopterygiidae">Stenopterygiidae</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/Magnipterygius" title="Magnipterygius">Magnipterygius</a></i></li> <li><i><a href="/wiki/Stenopterygius" title="Stenopterygius">Stenopterygius</a></i></li></ul> </div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Ophthalmosauria307" scope="row" class="navbox-group" style="width:1%"><div style="position:absolute;-webkit-transform:translate(-50%,-50%) rotate(270deg);-moz-transform:translate(-50%,-50%) rotate(270deg);-ms-transform:translate(-50%,-50%) rotate(270deg);-o-transform:translate(-50%,-50%) rotate(270deg);transform:translate(-50%,-50%) rotate(270deg);"><a href="/wiki/Ophthalmosauria" class="mw-redirect" title="Ophthalmosauria">Ophthalmosauria</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/Argovisaurus" title="Argovisaurus">Argovisaurus</a></i></li> <li><i><a href="/wiki/Delphinosaurus" title="Delphinosaurus">Delphinosaurus</a></i></li> <li><i><a href="/wiki/Macropterygius" title="Macropterygius">Macropterygius</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Ophthalmosauridae" title="Ophthalmosauridae">Ophthalmosauridae</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/Arthropterygius" title="Arthropterygius">Arthropterygius</a></i>?</li> <li><i><a href="/wiki/Gengasaurus" title="Gengasaurus">Gengasaurus</a></i>?</li> <li><i><a href="/wiki/Jabalisaurus" title="Jabalisaurus">Jabalisaurus</a></i></li> <li><i><a href="/wiki/Janusaurus" title="Janusaurus">Janusaurus</a></i>?</li> <li><i><a href="/wiki/Myobradypterygius" title="Myobradypterygius">Myobradypterygius</a></i></li> <li><i><a href="/wiki/Nannopterygius" title="Nannopterygius">Nannopterygius</a></i>?</li> <li><i><a href="/wiki/Palvennia" title="Palvennia">Palvennia</a></i>?</li> <li><i><a href="/wiki/Thalassodraco" title="Thalassodraco">Thalassodraco</a></i>?</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Ophthalmosaurinae" title="Ophthalmosaurinae">Ophthalmosaurinae</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/Acamptonectes" title="Acamptonectes">Acamptonectes</a></i></li> <li><i><a href="/wiki/Baptanodon" title="Baptanodon">Baptanodon</a></i></li> <li><i><a href="/wiki/Mollesaurus" title="Mollesaurus">Mollesaurus</a></i></li> <li><i><a href="/wiki/Ophthalmosaurus" title="Ophthalmosaurus">Ophthalmosaurus</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/Platypterygiidae" class="mw-redirect" title="Platypterygiidae">Platypterygiidae</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/Acuetzpalin" title="Acuetzpalin">Acuetzpalin</a></i></li> <li><i><a href="/wiki/Aegirosaurus" title="Aegirosaurus">Aegirosaurus</a></i></li> <li><i><a href="/wiki/Arthropterygius" title="Arthropterygius">Arthropterygius</a></i>?</li> <li><i><a href="/wiki/Athabascasaurus" title="Athabascasaurus">Athabascasaurus</a></i>?</li> <li><i><a href="/wiki/Brachypterygius" title="Brachypterygius">Brachypterygius</a></i></li> <li><i><a href="/wiki/Catutosaurus" title="Catutosaurus">Catutosaurus</a></i></li> <li><i><a href="/wiki/Cryopterygius" class="mw-redirect" title="Cryopterygius">Cryopterygius</a></i>?</li> <li><i><a href="/wiki/Grendelius" title="Grendelius">Grendelius</a></i></li> <li><i><a href="/wiki/Janusaurus" title="Janusaurus">Janusaurus</a></i>?</li> <li><i><a href="/wiki/Kazakhstanosaurus" title="Kazakhstanosaurus">Kazakhstanosaurus</a></i></li> <li><i><a href="/wiki/Keilhauia" title="Keilhauia">Keilhauia</a></i>?</li> <li><i><a href="/wiki/Muiscasaurus" title="Muiscasaurus">Muiscasaurus</a></i></li> <li><i><a href="/wiki/Palvennia" title="Palvennia">Palvennia</a></i>?</li> <li><i><a href="/wiki/Parrassaurus" title="Parrassaurus">Parrassaurus</a></i></li> <li><i><a href="/wiki/Pervushovisaurus" title="Pervushovisaurus">Pervushovisaurus</a></i></li> <li><i><a href="/wiki/Sumpalla" title="Sumpalla">Sumpalla</a></i></li> <li><i><a href="/wiki/Sveltonectes" title="Sveltonectes">Sveltonectes</a></i></li> <li><i><a href="/wiki/Undorosaurus" title="Undorosaurus">Undorosaurus</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Platypterygiinae" title="Platypterygiinae">Platypterygiinae</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/Caypullisaurus" title="Caypullisaurus">Caypullisaurus</a></i></li> <li><i><a href="/wiki/Kyhytysuka" title="Kyhytysuka">Kyhytysuka</a></i></li> <li><i><a href="/wiki/Leninia" title="Leninia">Leninia</a></i></li> <li><i><a href="/wiki/Maiaspondylus" title="Maiaspondylus">Maiaspondylus</a></i></li> <li><i><a href="/wiki/Platypterygius" title="Platypterygius">Platypterygius</a></i></li> <li><i><a href="/wiki/Plutoniosaurus" title="Plutoniosaurus">Plutoniosaurus</a></i></li> <li><i><a href="/wiki/Simbirskiasaurus" title="Simbirskiasaurus">Simbirskiasaurus</a></i></li> <li><i><a href="/wiki/Sisteronia" title="Sisteronia">Sisteronia</a></i></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></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:Excalibosaurus_BW.jpg" class="mw-file-description" title="Excalibosaurus costini"><img alt="Excalibosaurus costini" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/40/Excalibosaurus_BW.jpg/140px-Excalibosaurus_BW.jpg" decoding="async" width="140" height="57" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/40/Excalibosaurus_BW.jpg/210px-Excalibosaurus_BW.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/40/Excalibosaurus_BW.jpg/280px-Excalibosaurus_BW.jpg 2x" data-file-width="665" data-file-height="269" /></a></span> <p><span typeof="mw:File"><a href="/wiki/File:Ophthalmosaurus_icenicus_updated_reconstruction.png" class="mw-file-description" title="Ophthalmosaurus icenicus"><img alt="Ophthalmosaurus icenicus" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Ophthalmosaurus_icenicus_updated_reconstruction.png/140px-Ophthalmosaurus_icenicus_updated_reconstruction.png" decoding="async" width="140" height="105" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Ophthalmosaurus_icenicus_updated_reconstruction.png/210px-Ophthalmosaurus_icenicus_updated_reconstruction.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Ophthalmosaurus_icenicus_updated_reconstruction.png/280px-Ophthalmosaurus_icenicus_updated_reconstruction.png 2x" data-file-width="4000" data-file-height="3000" /></a></span> </p> <span typeof="mw:File"><a href="/wiki/File:Platypterigius_longmani_DB.jpg" class="mw-file-description" title="Platypterigius longmani"><img alt="Platypterigius longmani" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/35/Platypterigius_longmani_DB.jpg/140px-Platypterigius_longmani_DB.jpg" decoding="async" width="140" height="110" 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left;"><i>Thaisaurus</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/Q5687028" class="extiw" title="wikidata:Q5687028">Q5687028</a></span></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Global_Biodiversity_Information_Facility" title="Global Biodiversity Information Facility">GBIF</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://www.gbif.org/species/4817982">4817982</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" 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