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<!DOCTYPE html><html xmlns:og="http://ogp.me/ns#" lang="en" xml:lang="en"><head><title>ADW: Home</title><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><script type="text/javascript" src="//code.jquery.com/jquery-3.6.0.min.js"></script><script type="text/javascript" src="//code.jquery.com/jquery-migrate-3.3.2.min.js"></script><script type="text/javascript" src="/static/js/compat.js"></script><link rel="shortcut icon" href="https://animaldiversity.org/favicon.ico" /><link href="//fonts.googleapis.com/css?family=Gentium+Book+Basic:400,400italic,700,700italic" rel="stylesheet" type="text/css" /><link href="//fonts.googleapis.com/css?family=PT+Sans:400,700,400italic,700italic" rel="stylesheet" type="text/css" /><link rel="stylesheet" type="text/css" href="/static/bootstrap/css/bootstrap.css" /><link rel="stylesheet" href="/static/css/pica.styles.css" /><link rel="stylesheet" href="/static/css/pica.print.css" media="print" /> <link rel="stylesheet" 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Crinoidea" id="idm70" /></a></div><div class="img hidden"><a href="/accounts/Gastropoda/" style="width: 500px"><img src="/collections/contributors/tanya_dewey/snailandtrail/medium.jpg" data-height="437" data-width="600" alt="Photo of Gastropoda" id="idm121" /></a></div><div class="img hidden"><a href="/accounts/Dugesia_tigrina/" style="width: 500px"><img src="/collections/contributors/mauricio_munoz/Dugesia_tigrina/medium.jpg" data-height="480" data-width="532" alt="Photo of Dugesia tigrina" id="idm182" /></a></div><div class="img hidden"><a href="/accounts/Clathria_prolifera/" style="width: 500px"><img src="/collections/contributors/jo_okeefe/redbeardsponge_102_9992/medium.jpg" data-height="480" data-width="704" alt="Photo of Clathria prolifera" id="idm250" /></a></div><div class="img hidden"><a href="/accounts/Carcharhinus_albimarginatus/" style="width: 500px"><img src="/collections/contributors/cary_wien/IMG_5947/medium.jpg" data-height="480" data-width="720" alt="Photo of Carcharhinus albimarginatus" id="idm304" /></a></div><div class="img hidden"><a href="/accounts/Labroides_dimidiatus/" style="width: 500px"><img src="/collections/contributors/Grzimek_fish/Labroidei/LabroideiII/Labroides_dimidiatus/medium.jpg" data-height="249" data-width="640" alt="Photo of Labroides dimidiatus" id="idm387" /></a></div><div class="img hidden"><a href="/accounts/Eurycea_bislineata/" style="width: 500px"><img src="/collections/contributors/Grzimek_herps/Plethodontidae/Eurycea_bislineata/medium.jpg" data-height="272" data-width="640" alt="Photo of Eurycea bislineata" id="idm473" /></a></div><div class="img hidden"><a href="/accounts/Nerodia_sipedon/" style="width: 500px"><img src="/collections/contributors/phil_myers/ADW_herps_3_4_03/Squamata/Colubridae/nerodia_sipedon5256/medium.jpg" data-height="480" data-width="1447" alt="Photo of Nerodia sipedon" id="idm571" /></a></div><div class="img hidden"><a href="/accounts/Gymnomystax_mexicanus/" style="width: 500px"><img src="/collections/contributors/grzimek_birds/Icteridae/Gymnomystax.mexicanus.mal/medium.jpg" data-height="456" data-width="640" alt="Photo of Gymnomystax mexicanus" id="idm669" /></a></div><div class="img" style="min-width: 483"><a href="/accounts/Vulpes_cana/" style="width: 500px"><img src="/collections/contributors/david_blank/Vcana2/medium.jpg" data-height="413" data-width="483" alt="Photo of Vulpes cana" id="idm794" /></a></div><div class="img hidden"><a href="/accounts/Pangrapta_decoralis/" style="width: 500px"><img src="/collections/contributors/phil_myers/Erebidae/Pangrapta1613/medium.jpg" data-height="480" data-width="605" alt="Photo of Pangrapta decoralis" id="idm904" /></a></div><div class="img hidden"><a href="/accounts/Menippe_mercenaria/" style="width: 500px"><img src="/collections/contributors/jo_okeefe/stone_crab_100_5137/medium.jpg" data-height="480" data-width="720" alt="Photo of Menippe mercenaria" id="idm978" /></a></div><div class="img hidden"><a href="/accounts/Dolomedes/" style="width: 500px"><img src="/collections/contributors/phil_myers/araneae/Dolomedes1910/medium.jpg" data-height="480" data-width="671" alt="Photo of Dolomedes" id="idm1060" /></a></div><div class="img hidden"><a href="/accounts/Aurelia_aurita/" style="width: 500px"><img src="/collections/contributors/robert_bachand/Ulmaridae/25_Moon_jellyfish_Aurelia_aurita/medium.jpg" data-height="480" data-width="661" alt="Photo of Aurelia aurita" id="idm1129" /></a></div><div class="img hidden"><a href="/accounts/Trichoplax_adhaerens/" style="width: 500px"><img src="/collections/contributors/Grzimek_inverts/Placozoa/Trichoplax_adhaerens/medium.jpg" data-height="480" data-width="555" alt="Photo of Trichoplax adhaerens" id="idm1182" /></a></div></div><div id="mosaic-caption" class="row-fluid"><div class="span1"><a href="#" class="prev-image"><img alt="Previous" src="/static/img/arrow_left.png" height="32" width="32" /></a></div><div class="span10"><div style="text-align: center" class="identification hidden"><div class="higher-taxa"><span class="taxon-name rank-Unspecified">Annelida</span><span class="vernacular-name">segmented worms</span></div><div class="identified-taxa"><a class="taxon-name rank-Family" href="/accounts/Hirudinidae/">Hirudinidae</a></div></div><div style="text-align: center" class="identification hidden"><div class="higher-taxa"><span class="taxon-name rank-Unspecified">Echinodermata</span><span class="vernacular-name">starfish, sea urchins, and relatives</span></div><div class="identified-taxa"><a class="taxon-name rank-Class" href="/accounts/Crinoidea/">Crinoidea</a></div></div><div style="text-align: center" class="identification hidden"><div class="higher-taxa"><span class="taxon-name rank-Unspecified">Mollusca</span><span class="vernacular-name">bivalves, cephalopods, snails, and relatives</span></div><div class="identified-taxa"><a class="taxon-name rank-Class" href="/accounts/Gastropoda/">Gastropoda</a></div></div><div style="text-align: center" class="identification hidden"><div class="higher-taxa"><span class="taxon-name rank-Unspecified">Platyhelminthes</span><span class="vernacular-name">flatworms</span></div><div class="identified-taxa"><a class="taxon-name rank-Species" href="/accounts/Dugesia_tigrina/">Dugesia tigrina</a></div></div><div style="text-align: center" class="identification hidden"><div class="higher-taxa"><span class="taxon-name rank-Unspecified">Porifera</span><span class="vernacular-name">sponges</span></div><div class="identified-taxa"><a class="taxon-name rank-Species" href="/accounts/Clathria_prolifera/">Clathria prolifera</a></div></div><div style="text-align: center" class="identification hidden"><div class="higher-taxa"><span class="taxon-name rank-Class">Chondrichthyes</span><span class="vernacular-name">rays, sharks, and relatives</span></div><div class="identified-taxa"><a class="taxon-name rank-Species" href="/accounts/Carcharhinus_albimarginatus/">Carcharhinus albimarginatus<span class="vernacular-name">silvertip shark</span></a></div></div><div style="text-align: center" class="identification hidden"><div class="higher-taxa"><span class="taxon-name rank-Class">Actinopterygii</span><span class="vernacular-name">ray-finned fishes</span></div><div class="identified-taxa"><a class="taxon-name rank-Species" href="/accounts/Labroides_dimidiatus/">Labroides dimidiatus<span class="vernacular-name">Blue streak</span></a></div></div><div style="text-align: center" class="identification hidden"><div class="higher-taxa"><span class="taxon-name rank-Class">Amphibia</span><span class="vernacular-name">frogs, salamanders, and caecilians</span></div><div class="identified-taxa"><a class="taxon-name rank-Species" href="/accounts/Eurycea_bislineata/">Eurycea bislineata<span class="vernacular-name">Northern Two-lined Salamander</span></a></div></div><div style="text-align: center" class="identification hidden"><div class="higher-taxa"><span class="taxon-name rank-Class">Reptilia</span><span class="vernacular-name">turtles, snakes, lizards, and relatives</span></div><div class="identified-taxa"><a class="taxon-name rank-Species" href="/accounts/Nerodia_sipedon/">Nerodia sipedon<span class="vernacular-name">Northern Water Snake</span></a></div></div><div style="text-align: center" class="identification hidden"><div class="higher-taxa"><span class="taxon-name rank-Class">Aves</span><span class="vernacular-name">birds</span></div><div class="identified-taxa"><a class="taxon-name rank-Species" href="/accounts/Gymnomystax_mexicanus/">Gymnomystax mexicanus<span class="vernacular-name">oriole blackbird</span></a></div></div><div style="text-align: center" class="identification"><div class="higher-taxa"><span class="taxon-name rank-Class">Mammalia</span><span class="vernacular-name">mammals</span></div><div class="identified-taxa"><a class="taxon-name rank-Species" href="/accounts/Vulpes_cana/">Vulpes cana<span class="vernacular-name">Blandford's fox</span></a></div></div><div style="text-align: center" class="identification hidden"><div class="higher-taxa"><span class="taxon-name rank-Class">Insecta</span><span class="vernacular-name">insects</span></div><div class="identified-taxa"><a class="taxon-name rank-Species" href="/accounts/Pangrapta_decoralis/">Pangrapta decoralis</a></div></div><div style="text-align: center" class="identification hidden"><div class="higher-taxa"><span class="taxon-name rank-Unspecified">Crustacea</span><span class="vernacular-name">crustaceans</span></div><div class="identified-taxa"><a class="taxon-name rank-Species" href="/accounts/Menippe_mercenaria/">Menippe mercenaria<span class="vernacular-name">Florida stone crab</span></a></div></div><div style="text-align: center" class="identification hidden"><div class="higher-taxa"><span class="taxon-name rank-Unspecified">Chelicerata</span><span class="vernacular-name">chelicerates</span></div><div class="identified-taxa"><a class="taxon-name rank-Genus" href="/accounts/Dolomedes/">Dolomedes</a></div></div><div style="text-align: center" class="identification hidden"><div class="higher-taxa"><span class="taxon-name rank-Phylum">Cnidaria</span><span class="vernacular-name">jellyfish, sea anemones, corals, and relatives</span></div><div class="identified-taxa"><a class="taxon-name rank-Species" href="/accounts/Aurelia_aurita/">Aurelia aurita<span class="vernacular-name">Moon jellyfish</span></a></div></div><div style="text-align: center" class="identification hidden"><div class="higher-taxa"><span class="taxon-name rank-Unspecified">Other animal phyla</span></div><div class="identified-taxa"><a class="taxon-name rank-Species" href="/accounts/Trichoplax_adhaerens/">Trichoplax adhaerens</a></div></div></div><div class="span1"><a href="#" class="next-image"><img alt="Next" src="/static/img/arrow_right.png" height="32" width="32" /></a></div></div><div id="mosaic-menu" class="row-fluid" style="text-align: left"><div class="span4"><ul class="menu unstyled"> <li> <a href="/accounts/Annelida/">Annelida</a><span class="vernacular-name">segmented worms</span> </li> <li> <a href="/accounts/Echinodermata/">Echinodermata</a><span class="vernacular-name">starfish, sea urchins, and relatives</span> </li> <li> <a href="/accounts/Mollusca/">Mollusca</a><span class="vernacular-name">bivalves, cephalopods, snails, and relatives</span> </li> <li> <a href="/accounts/Platyhelminthes/">Platyhelminthes</a><span class="vernacular-name">flatworms</span> </li> <li> <a href="/accounts/Porifera/">Porifera</a><span class="vernacular-name">sponges</span> </li> </ul></div><div class="span4"><ul class="menu unstyled"> <li> <a href="/accounts/Chondrichthyes/">Chondrichthyes</a><span class="vernacular-name">rays, sharks, and relatives</span> </li> <li> <a href="/accounts/Actinopterygii/">Actinopterygii</a><span class="vernacular-name">ray-finned fishes</span> </li> <li> <a href="/accounts/Amphibia/">Amphibia</a><span class="vernacular-name">frogs, salamanders, and caecilians</span> </li> <li> <a href="/accounts/Reptilia/">Reptilia</a><span class="vernacular-name">turtles, snakes, lizards, and relatives</span> </li> <li> <a href="/accounts/Aves/">Aves</a><span class="vernacular-name">birds</span> </li> <li> <a href="/accounts/Mammalia/">Mammalia</a><span class="vernacular-name">mammals</span> </li> </ul></div><div class="span4"><ul class="menu unstyled"> <li> <a href="/accounts/Insecta/">Insecta</a><span class="vernacular-name">insects</span> </li> <li> <a href="/accounts/Crustacea/">Crustacea</a><span class="vernacular-name">crustaceans</span> </li> <li> <a href="/accounts/Chelicerata/">Chelicerata</a><span class="vernacular-name">chelicerates</span> </li> <li> <a href="/accounts/Cnidaria/">Cnidaria</a><span class="vernacular-name">jellyfish, sea anemones, corals, and relatives</span> </li> <li> <a href="/accounts/Nematoda/">Nematoda</a><span class="vernacular-name">roundworms</span> </li> </ul></div></div><div class="row-fluid"><div class="centered" style="border-top: 1px dotted #CCC; width: 80%; margin-left: auto; margin-right: auto; margin-bottom: .5em; margin-top: .5em; padding: 0.5em"><a href="/accounts/group/Other-animal-phyla/"> Other animal phyla </a></div></div></div></div></div></div><div class="span2_5 right sidebar"><h2 class="offscreen">Search</h2><div id="site-search"><form action="/search/" method="GET"><label for="q" class="offscreen">Enter search text</label><input value="" id="q" name="q" class="span12" size="15" type="text" placeholder="Search ADW" /><button class="btn"><i class="icon-zoom-in"></i><span class="offscreen">Search</span></button><p style="max-height: 35px"><label for="feature-list" class="offscreen">Search in feature</label><select size="1" name="feature" class="feature-list input-medium" id="feature-list"><option value="INFORMATION">Taxon Information</option><option value="COLLECTIONS">Contributor Galleries</option><option 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