CINXE.COM

<!DOCTYPE html> <html lang="en"> <head> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.css"> <link href="//cdnjs.cloudflare.com/ajax/libs/pnotify/2.0.0/pnotify.all.min.css" rel="stylesheet"> <script src="//ajax.googleapis.com/ajax/libs/jquery/2.0.3/jquery.min.js" type="text/javascript"></script> <link rel="stylesheet" href="/public/classic_css/autocomplete.css"> <meta charset="UTF-8"> <title>PBDB Taxon</title>    <script src="/public/classic_js/autocomplete.js"></script> <script language="javascript" type="text/javascript"> var acapp = new AutoCompleteObject("searchbox", "cls", "classic"); document.addEventListener("DOMContentLoaded", acapp.initialize, false); function NewTab(doclink) { window.open( doclink, "_blank"); } </script> <style> .navbar-brand img { margin-top: -12px; } </style> </head> <body> <style> .nav > li > a { padding-left: 15px; padding-right: 10px } </style> <nav class="navbar navbar-inverse navbar-static-top" style="background-color: #000000" role="navigation"> <div class="container">  <div class="navbar-header"> <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#tgc-main-nav-collapse"> <span class="sr-only">Toggle navigation</span> MENU </button> <a class="navbar-brand" href="/"><img src="/public/images/logo_white.png" alt="PaleobioDB" title="PBDB Home"></a> </div> <div class="collapse navbar-collapse"> <ul class="nav navbar-nav"> <li><a href="/classic">Main Menu</a></li> <li class="dropdown"> <a href="#" class="dropdown-toggle" data-toggle="dropdown">About</a> <ul class="dropdown-menu"> <li class="dropdown"><a onclick="NewTab('https://escholarship.org/content/qt6tm05630/qt6tm05630.pdf?t=s0797i')">User Guide</a></li> <li><a onclick="NewTab('https://docs.google.com/document/d/e/2PACX-1vQPrlNL2sUTFbZAzZFs2Jhs4j-1h3RfAIFNl54JstnHfxhhRcjMGImGU4VRk89C9Er_kNEWj7NTAqaR/pub')">FAQ</a></li> <li><a onclick="NewTab('https://docs.google.com/document/d/e/2PACX-1vSa6qptD9Ox02NoD3pD5XreK0lh9P0JCxsHo1cpwV5My7HPh77vLYy6zjOqLPo0Gy09DKbAK3x69yMr/pub')">Recent Changes</a></li> <li><a onclick="NewTab('https://docs.google.com/document/d/e/2PACX-1vSMxYT8vGz-8UOZmwKyEgMfuSbbk52fW-oQDbUxdMwIMd8xjqaQvue_sJvvW5LewvPGC-aeQActioIL/pub')">Data Definitions</a></li> <li><a onclick="NewTab('https://docs.google.com/document/d/e/2PACX-1vRGNLWHekf_Pi2tfxfJeGvIAR3S3Z9BT6apmPQ-AGQhCHm0YB7AAwvSDh8F0bmrgeTO9LsB4Yw5IVsn/pub')">People</a></li> <li><a onclick="NewTab('https://docs.google.com/document/d/e/2PACX-1vTj4EvmyKBAMq-mbfa7_TFbZMyA-JCRJhAjiEY5IFjaiPcjBTPO1uU54iefy_OxalV188qbKa2FZP8c/pub')">Funding</a></li> <li><a onclick="NewTab('https://docs.google.com/document/d/e/2PACX-1vR7kG-nphQsmxW2tHX3yZkuahsZfQyXb3-5d8k088LDxwMM0RYlFbXM-m6ERWgm-bCNx8JKtiDsHPvu/pub')">Project Development</a></li> <li><a onclick="NewTab('/#/publications')">Official Publications</a></li> <li><a onclick="NewTab('https://docs.google.com/document/d/e/2PACX-1vTSim8NOagd9iBlfCHWofL-fH4hMfkHUqakfwryDT2VOBxoCYsSMbpDcUdjBb0996Xvv8Ka7m1lqgcP/pub')">Partner Organizations</a></li> <li><a onclick="NewTab('https://docs.google.com/document/d/178HwGVtA4--3SSFCN5Xx56P75BskCWCZVV_OHMVK0Ms/edit?usp=sharing')">Database Policies</a></li> <li><a onclick="NewTab('https://docs.google.com/document/d/e/2PACX-1vSeDBiPU9fgkK44R49Nj2WyhquPKU0F3G0uH1ezl9gNNq3cRyGHPdEvjpNtnuVwnXgscmoWru4zKUmx/pub')">Grant Writing Assistance</a></li> <li><a onclick="NewTab('https://docs.google.com/document/d/e/2PACX-1vQtrCtdl_7wOzAgm90__urKxgIMWLxC1hdA5Qh0rLozrnXteObSSWdXaAd9jSuJWfScHBXFvGACI6z5/pub')">Contact Us</a></li> </ul> </li> <li><a href="/classic/displayDownloadGenerator">Download</a></li> <li class="dropdown"> <a href="#" class="dropdown-toggle" data-toggle="dropdown">Search<b class="caret"></b></a> <ul class="dropdown-menu"> <li><a href="/classic/displaySearchColls?type=view">Fossil collection records</a></li> <li><a href="/classic/beginTaxonInfo">Fossil organisms</a></li> <li><a href="/classic/app/refs">Published references</a></li> <li><a href="/classic/classificationForm">Classifications of taxa in groups</a></li> <li><a href="/classic/displaySearchStrataForm">Stratigraphic units</a></li> <li><a href="/classic/app/archive/list">Data archives</a></li> </ul> </li> </ul> <ul class="nav navbar-nav navbar-right"> <li><a href="/account">Login</a></li> </ul> <form class="navbar-form navbar-input-group form-search universalSearchForm" onsubmit="return acapp.do_submit(this)"> <div class="input-group" id="acinput"> <input type="text" class="form-control" placeholder="Search the database" id="searchbox" onkeyup="acapp.do_keyup()"> <div class="searchResult dropdown-menu" style="display: none;"></div> </div> </form> </div> </div> </nav> <script language="javascript"> document.body.addEventListener("click", function (e) { acapp.showhide_menu(e); }); </script> <link rel="stylesheet" type="text/css" href="/public/classic_css/common.css">   <script src="/public/classic_js/common.js" language="JavaScript" type="text/javascript"></script> <div class="container"> <div id="mainBody"> <div class="innerMainPanel"> <div> <script src="/public/classic_js/included_taxa.js" language="JavaScript" type="text/javascript"></script> <script src="/public/classic_js/taxoninfo.js" language="JavaScript" type="text/javascript"></script> <script language="JavaScript" type="text/javascript"> var gddapp = new GDDTaxonInfoApp ( "https://geodeepdive.org/api/v1/", "Rotadiscus", "panel7", "gddapp" ); </script> <div align="center"> <table class="panelNavbar" cellpadding="0" cellspacing="0" border="0"> <tr> <td id="tab1" class="tabOff" onClick="switchToPanel(1,8);"> Basic info</td> <td id="tab2" class="tabOff" onClick="switchToPanel(2,8);"> Taxonomic history</td> <td id="tab3" class="tabOff" onClick = "switchToPanel(3,8);"> Classification</td> <td id="tab4" class="tabOff" onClick = "switchToPanel(4,8);"> Included Taxa</td> </tr> <tr> <td id="tab5" class="tabOff" onClick="switchToPanel(5,8);"> Morphology</td> <td id="tab6" class="tabOff" onClick = "switchToPanel(6,8);"> Ecology and taphonomy</td> <td id="tab7" class="tabOff" onClick = "switchToPanel(7,8); gddapp.initApp();"> External Literature Search</td> <td id="tab8" class="tabOff" onClick = "switchToPanel(8,8);"> Age range and collections</td> </tr> </table> </div> <div align="center" style="margin-bottom: -1.5em;"> <p class="pageTitle" style="white-space: nowrap; margin-bottom: 0em;">Rotadiscus</p> <p class="medium"><a href="/classic/checkTaxonInfo?taxon_no=331615&is_real_user=1">Eldoniidae</a></p> </div> <center><div id="panel1" class="panel"><div align="center" class="small" style="margin-left: 1em; margin-top: 1em;"> <div style="width: 52em;;"> <div class="displayPanel" style="margin-top: -1em; margin-bottom: 2em; padding-left: 1em; text-align: left;"> <span class="displayPanelHeader">Taxonomy</span> <div align="left" class="small displayPanelContent" style="padding-left: 1em; padding-bottom: 1em;"> <i><a href="/classic/checkTaxonInfo?taxon_no=4637&is_real_user=1">Rotadiscus</a></i> was named by Sun and Hou (1987) [Sepkoski's age data: Cm Atda-u Cm mMid-l Sepkoski's reference number: 779,1006]. It is not extant. It is the type genus of <a href="/classic/checkTaxonInfo?taxon_no=358245&is_real_user=1">Rotadiscidae</a>. <br><br>It was assigned to <a href="/classic/checkTaxonInfo?taxon_no=4634&is_real_user=1">Siphonophorida</a> by <a href="/classic/app/refs?#display=6930">Sepkoski (2002)</a>; to <a href="/classic/checkTaxonInfo?taxon_no=331615&is_real_user=1">Eldoniidae</a> by <b><a href="/classic/app/refs?#display=84794">Caron et al. (2010)</a></b>; and to <a href="/classic/checkTaxonInfo?taxon_no=358245&is_real_user=1">Rotadiscidae</a> by <a href="/classic/app/refs?#display=69020">Schroeder et al. (2018)</a>.</div> </div> <p><div><center><div class="displayPanel" align="left" style="margin-bottom: 2em; padding-left: 1em; padding-bottom: 1em;"> <span class="displayPanelHeader">Species</span> <div class="displayPanelContent"> <a href="/classic/checkTaxonInfo?taxon_no=387153&is_real_user=1">R. grandis</a>, <a href="/classic/checkTaxonInfo?taxon_no=387157&is_real_user=1">R. guizhouensis</a> </div> </div></center> </div> </p></div> </div> </div> </center><center><div id="panel2" class="panel";"> <div align="center" class="small""> <div class="displayPanel" style="margin-bottom: 2em; padding-top: -1em; width: 42em; text-align: left;"> <span class="displayPanelHeader">Synonyms</span> <div align="center" class="small displayPanelContent"> <table><tr><td><ul><li style="padding-bottom: 1.5em;"><i><a href="/classic/checkTaxonInfo?taxon_no=387154&is_real_user=1">Brzechowia</a></i> was named by Dzik (1991). <br><br>It was synonymized subjectively with <i>Rotadiscus</i> by <b><a href="/classic/app/refs?#display=69020">Schroeder et al. (2018)</a></b>.</li> </ul></td></tr></table></div> </div> <div align="left" class="displayPanel" style="width: 42em; margin-top: 0em;"> <span class="displayPanelHeader" style="text-align: left;">Synonymy list</span> <div align="center" class="small displayPanelContent" style="padding-top: 0em; padding-bottom: 1em;"> <table cellspacing=5> <tr><th>Year</th><td>Name and author</th></tr> <tr><td valign="top">1987</d><td valign="top"><i>Rotadiscus</i> Sun and Hou p. 262</td></tr> <tr><td valign="top">1991</d><td valign="top"><i>Brzechowia</i> Dzik</td></tr> <tr><td valign="top">2002</d><td valign="top"><i>Rotadiscus</i> <a href="/classic/app/refs?#display=6930">Sepkoski</a></td></tr> <tr><td valign="top">2010</d><td valign="top"><i>Rotadiscus</i> <a href="/classic/app/refs?#display=84794">Caron et al.</a></td></tr> <tr><td valign="top">2018</d><td valign="top"><i>Rotadiscus</i> <a href="/classic/app/refs?#display=69020">Schroeder et al.</a> p. 81 figs. Table 1</td></tr> </table> </div> </div> <p>Is something missing? <a href="/classic?page=join_us">Join the Paleobiology Database</a> and enter the data</p> </div> </div> </div> </center><div id="panel3" class="panel"><div align="center"> <div class="small displayPanel"> <div class="displayPanelContent"> <table><tr><td valign="top"> <table><tr valign="top"><th>Rank</th><th>Name</th><th>Author</th></tr> <tr class="darkList"><td align="center">kingdom</td><td align="center"><a href="/classic/checkTaxonInfo?taxon_no=325038&is_real_user=1">Animalia</a></td><td align="center" style="white-space: nowrap">(<a href="/classic/app/refs#display=12782?Linnaeus 1758"></a>)</td></tr><tr ><td align="center">—</td><td align="center"><a href="/classic/checkTaxonInfo?taxon_no=67103&is_real_user=1">Bilateria</a></td><td align="center" style="white-space: nowrap"></td></tr><tr class="darkList"><td align="center">—</td><td align="center"><a href="/classic/checkTaxonInfo?taxon_no=272902&is_real_user=1">Eubilateria</a></td><td align="center" style="white-space: nowrap">Ax 1987</td></tr><tr ><td align="center">—</td><td align="center"><a href="/classic/checkTaxonInfo?taxon_no=67145&is_real_user=1">Deuterostomia</a></td><td align="center" style="white-space: nowrap"><a href="/classic/app/refs#display=35738?Grobben 1908"></a></td></tr> </td></tr></table> </td><td valign="top" style="width: 2em;"></td><td valign="top"> <table><tr valign=top><th>Rank</th><th>Name</th><th>Author</th></tr><tr class="darkList"><td align="center">—</td><td align="center"><a href="/classic/checkTaxonInfo?taxon_no=272400&is_real_user=1">Ambulacraria</a></td><td align="center" style="white-space: nowrap"></td></tr><tr ><td align="center">informal</td><td align="center"><a href="/classic/checkTaxonInfo?taxon_no=358244&is_real_user=1">Cambroernids</a></td><td align="center" style="white-space: nowrap">Caron et al. 2010</td></tr><tr class="darkList"><td align="center">family</td><td align="center"><a href="/classic/checkTaxonInfo?taxon_no=331615&is_real_user=1">Eldoniidae</a></td><td align="center" style="white-space: nowrap">Walcott 1911</td></tr><tr ><td align="center">genus</td><td align="center"><a href="/classic/checkTaxonInfo?taxon_no=4637&is_real_user=1">Rotadiscus</a></td><td align="center" style="white-space: nowrap">Sun and Hou 1987</td></tr></table></td></tr></table> <p class="small" style="margin-left: 2em; margin-right: 2em; text-align: left;">If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.</p> </div> </div> </div> </div> <div id="panel4" class="panel"><div align="center" class="small"><div class="verysmall" style="width: 50em; margin-left: auto; margin-right: auto;"> <div id="t4637" id="classBox" class="shownClassBox" style="border-left: 0px; margin-bottom: 0.8em; "> <div id="n4637" class="classTaxon" style="margin-bottom: 0em;" onClick="showHide('t4637');">G. &dagger;<a href="/classic/checkTaxonInfo?taxon_no=4637&is_real_user=1"><i>Rotadiscus</i></a> Sun and Hou 1987</div> <div id="top4637" class="classHotCorner" style="font-size: 1em;"><span onClick="showAll('top4637');">show all</span> | <span onClick="collapseChildren('t4637');">hide all</span></div> <div id="t387153" id="classBox" class="shownClassBox"> <div id="n387153" class="classTaxon"> &dagger;<a href="/classic/checkTaxonInfo?taxon_no=387153&is_real_user=1"><i>Rotadiscus grandis</i></a> Sun and Hou 1987</div> </div> <div id="t387157" id="classBox" class="shownClassBox"> <div id="n387157" class="classTaxon"> &dagger;<a href="/classic/checkTaxonInfo?taxon_no=387157&is_real_user=1"><i>Rotadiscus guizhouensis</i></a> Zhao and Zhu 1994</div> </div> <div id="t4637bad" class="shownClassBox">Invalid names: <i>Brzechowia</i> Dzik 1991 [synonym]</div> </div> </div> <script language="JavaScript" type="text/javascript"> var box_hierarchy = { "t4637": ['t387153','t387157','t4637bad'] }; </script> </div> </div> <div id="panel5" class="panel"><div align="center" class="small" "style="margin-top: -2em;"><div class="displayPanel" align="left" style="width: 36em; margin-top: 2em; margin-bottom: 2em; padding-bottom: 1em;"> <span class="displayPanelHeader" class="large">Diagnosis</span> <div class="displayPanelContent"> <div align="center"><i>No diagnoses are available</i></div> </div> </div> <div class="displayPanel" align="left" style="width: 36em;"> <span class="displayPanelHeader" class="large">Measurements</span> <div align="center" class="displayPanelContent"> <div align="center" style="padding-bottom: 1em;"><i>No measurements are available</i> </div> </div> </div> </div> </div> <center><div id="panel6" class="panel"><div align="center" clas="small"><div class="small displayPanel" align="left" style="width: 46em; margin-top: 0em; padding-top: 1em; padding-bottom: 1em;"> <div align="center" class="displayPanelContent"> <table cellpadding="4"><tr><td valign="top"><table cellpadding=0 cellspacing=0 border=0><tr><td align="left" valign="top"><span class="fieldName">Locomotion:</span> </td><td valign="top">actively mobile<span class="superscript">g</span></td></tr></table></td> <td valign="top"><table cellpadding=0 cellspacing=0 border=0><tr><td align="left" valign="top"><span class="fieldName">Life habit:</span> </td><td valign="top">nektonic<span class="superscript">g</span></td></tr></table></td> </tr> <tr> <td valign="top"><table cellpadding=0 cellspacing=0 border=0><tr><td align="left" valign="top"><span class="fieldName">Diet:</span> </td><td valign="top">suspension feeder<span class="superscript">g</span></td></tr></table></td> </tr> <tr> <td colspan=2 valign="top"><table cellpadding=0 cellspacing=0 border=0><tr><td align="left" valign="top"><span class="fieldName">Comments:</span> </td><td valign="top">LIFE HISTORY: Pelagic, fully-motile fast, suspension feeder according to Bambach et al (2007).<span class="superscript">g</span></td></tr></table></td> </tr> <tr> <td valign="top"><table cellpadding=0 cellspacing=0 border=0><tr><td align="left" valign="top"><span class="fieldName">Created:</span> </td><td valign="top">2009-09-21 13:12:31</td></tr></table></td> <td valign="top"><table cellpadding=0 cellspacing=0 border=0><tr><td align="left" valign="top"><span class="fieldName">Modified:</span> </td><td valign="top">2009-09-21 15:12:31</td></tr></table></td> </tr><tr><td colspan=2><span class="fieldName">Source:</span> g = genus</td></tr><tr><td colspan=2><span class="fieldName">Reference: </span><a href="/classic/app/refs?#display=29227">Bambach et al. 2007</a></td></tr></table> </div> </div> </div> </div> </center><center><div id="panel7" class="panel"></div> </center><center><div id="panel8" class="panel"><div class="displayPanel" style="margin-top: 0em;"> <div class="displayPanelContent"> <div class="small" style="margin-left: 2em; width: 90%; border-bottom: 1px solid lightgray;"><p>Age range: <a href="/classic/displayTimescale?interval=213">Atdabanian</a> <i>or</i> 521.00000 to 516.00000 Ma</p></div> <div class="small" style="margin-left: 2em; margin-bottom: -1em;"><p>Collections: one only</p></div> <br> <table class="small" style="margin-left: 2em; margin-right: 2em; margin-bottom: 2em;"> <tr> <th align="center">Time interval</th> <th align="center">Ma</th> <th align="center">Country or state</th> <th align="left">Original ID and collection number</th></tr> <tr class='darkList'><td align="center" valign="top"><span class="small"><a href="/classic/displayTimescale?interval=213" target="classic2">Atdabanian</a></span></td><td align="center" valign="top"><span class="small"><nobr>521.0 - 516.0</nobr></span></td><td align="center" valign="top"><span class="small">China (Yunnan)</span> </td> <td align="left"><span class="small">R. grandis (<a href="/classic/basicCollectionSearch?collection_no=90494&is_real_user=1">90494</a>)</span></td></tr> </table> </div> </div> </div> </center><script language="JavaScript" type="text/javascript">switchToPanel(1,8);</script> </div><br><br>  </div>  </div>  </div>  </div> <br><Br>  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script> <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/pnotify/2.0.0/pnotify.all.min.js"></script> <script src="/wing.js?v=1" type="text/javascript"></script> </body> </html>