{"id":2786,"date":"2013-12-03T13:28:23","date_gmt":"2013-12-03T18:28:23","guid":{"rendered":"http:\/\/www.ordovicianatlas.org\/?page_id=2786"},"modified":"2017-05-28T10:37:36","modified_gmt":"2017-05-28T14:37:36","slug":"crinoidea","status":"publish","type":"page","link":"https:\/\/www.ordovicianatlas.org\/atlas\/echinodermata\/crinoidea\/","title":{"rendered":"Crinoidea"},"content":{"rendered":"<p><strong>Classification<\/strong><br \/>\nPhylum: <a title=\"Echinodermata\" href=\"  https:\/\/www.ordovicianatlas.org\/atlas\/echinodermata\/\"> Echinodermata<\/a><br \/>\nClass: Crinoidea (Miller, 1821)<br \/>\nCincinnatian Orders: <a title=\"Cladida\" href=\"https:\/\/www.ordovicianatlas.org\/atlas\/echinodermata\/crinoidea\/cladida\/\">Cladida<\/a>, <a title=\"Diplobathrida\" href=\"https:\/\/www.ordovicianatlas.org\/atlas\/echinodermata\/crinoidea\/diplobathrida\/\">Diplobathrida<\/a>, <a title=\"Disparida\" href=\"https:\/\/www.ordovicianatlas.org\/atlas\/echinodermata\/crinoidea\/disparida\/\">Disparida<\/a>, <em><a title=\"Lichenocrinus\" href=\"https:\/\/www.ordovicianatlas.org\/atlas\/echinodermata\/crinoidea\/lichenocrinus\/\">Lichenocrinus<\/a><\/em>, <a title=\"Monobathrida\" href=\"https:\/\/www.ordovicianatlas.org\/atlas\/echinodermata\/crinoidea\/monobathrida\/\">Monobathrida<\/a><\/p>\n<p><strong>Geologic Range<\/strong><br \/>\nMiddle Cambrian; Late Ordovician &#8211; Holocene<\/p>\n<p><strong>Common Paleoecology<\/strong><br \/>\nCrinoidea is an extant class of stationary upper-level epifaunal suspension feeders<\/p>\n<p><strong>Characteristics of the Class<\/strong><\/p>\n<ul>\n<li>Well developed pentameral symmetry<\/li>\n<li>Radial growth pattern concentrated on arms and directed away from the theca<\/li>\n<li>Theca distinctly divided into aboral cup and adoral tegmen<\/li>\n<li>Well developed column<\/li>\n<\/ul>\n<p>[accordions title=&#8221;&#8221; disabled=&#8221;false&#8221; active=&#8221;1&#8243; autoheight=&#8221;false&#8221; collapsible=&#8221;true&#8221;] [accordion title=&#8221;Published Descriptions&#8221;]<br \/>\n<em>Treatise on Invertebrate Paleontology, Part T (1978)<\/em>:<\/p>\n<ul>\n<li>Crinozoa provided with true arms; pentameral symmetry well developed; theca divided into aboral cup and adoral tegmen, comprising five radial plates from which invariably the aboral skeleton of the arms starts; radial growth pattern concentrated on arms, which are directed away from theca; column ordinarily well developed, lost in postlarval stage in some forms. <\/li>\n<\/ul>\n<p>[\/accordion] [\/accordions]<\/p>\n<\/div>\n<div align=\"center\">\n<div style=\"height: 300px; width: 800px;\" align=\"center\">\n<div style=\"border-right: 15px solid white; float: left; width: 250px;\">\n<p align=\"center\">Cladida<\/p>\n<p><a href=\"https:\/\/www.ordovicianatlas.org\/atlas\/echinodermata\/crinoidea\/cladida\/\"> <img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" alt=\"\" src=\"https:\/\/i0.wp.com\/www.ordovicianatlas.org\/wp-content\/uploads\/2014\/07\/Plicodendrocrinus_casei_250pxB.png?resize=250%2C250&#038;ssl=1\" width=\"250\" height=\"250\" \/><br \/>\n<\/a><\/p>\n<\/div>\n<div style=\"border-right: 15px solid white; float: left; width: 250px;\">\n<p align=\"center\">Diplobathrida<\/p>\n<p><a href=\"https:\/\/www.ordovicianatlas.org\/atlas\/echinodermata\/crinoidea\/diplobathrida\/\"> <img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" alt=\"\" src=\"https:\/\/i0.wp.com\/www.ordovicianatlas.org\/wp-content\/uploads\/2014\/07\/Gaurocrinus_neali_250pxB.png?resize=250%2C250&#038;ssl=1\" width=\"250\" height=\"250\" \/><br \/>\n<\/a><\/p>\n<\/div>\n<div style=\"float: left; width: 250px;\">\n<p align=\"center\">Disparida<\/p>\n<p><a href=\"https:\/\/www.ordovicianatlas.org\/atlas\/echinodermata\/crinoidea\/disparida\/\"> <img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" alt=\"\" src=\"https:\/\/i0.wp.com\/www.ordovicianatlas.org\/wp-content\/uploads\/2013\/11\/Iocrinus_subcrassus_250pxB.png?resize=250%2C250&#038;ssl=1\" width=\"250\" height=\"250\" \/><br \/>\n<\/a>\n<\/div>\n<\/div>\n<\/div>\n<div align=\"center\">\n<div style=\"height: 300px; width: 800px;\" align=\"center\">\n<div style=\"border-right: 15px solid white; float: left; width: 250px;\">\n<p align=\"center\"><em>Lichenocrinus<\/em><\/p>\n<p><a href=\"https:\/\/www.ordovicianatlas.org\/atlas\/echinodermata\/crinoidea\/lichenocrinus\/\"> <img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" alt=\"\" src=\"https:\/\/i0.wp.com\/www.ordovicianatlas.org\/wp-content\/uploads\/2014\/03\/Lichenocrinus_tuberculatus_250pxB.png?resize=250%2C250&#038;ssl=1\" width=\"250\" height=\"250\" \/><br \/>\n<\/a>\n<\/div>\n<div style=\"float: left; width: 250px;\">\n<p align=\"center\">Monobathrida<\/p>\n<p><a href=\"https:\/\/www.ordovicianatlas.org\/atlas\/echinodermata\/crinoidea\/monobathrida\/\"> <img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" alt=\"\" src=\"https:\/\/i0.wp.com\/www.ordovicianatlas.org\/wp-content\/uploads\/2014\/01\/Xenocrinus_bayeri_250px1.png?resize=250%2C250&#038;ssl=1\" width=\"250\" height=\"250\" \/><br \/>\n<\/a>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Classification Phylum: Echinodermata Class: Crinoidea (Miller, 1821) Cincinnatian Orders: Cladida, Diplobathrida, Disparida, Lichenocrinus, Monobathrida Geologic Range Middle Cambrian; Late Ordovician &#8211; Holocene Common Paleoecology Crinoidea is an extant class of stationary upper-level epifaunal suspension feeders Characteristics of the Class Well &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"more-link\" href=\"https:\/\/www.ordovicianatlas.org\/atlas\/echinodermata\/crinoidea\/\"> <span class=\"screen-reader-text\">Crinoidea<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":2784,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"full-width-page.php","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"class_list":["post-2786","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/P3T22h-IW","_links":{"self":[{"href":"https:\/\/www.ordovicianatlas.org\/wp-json\/wp\/v2\/pages\/2786","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ordovicianatlas.org\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.ordovicianatlas.org\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.ordovicianatlas.org\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ordovicianatlas.org\/wp-json\/wp\/v2\/comments?post=2786"}],"version-history":[{"count":11,"href":"https:\/\/www.ordovicianatlas.org\/wp-json\/wp\/v2\/pages\/2786\/revisions"}],"predecessor-version":[{"id":13807,"href":"https:\/\/www.ordovicianatlas.org\/wp-json\/wp\/v2\/pages\/2786\/revisions\/13807"}],"up":[{"embeddable":true,"href":"https:\/\/www.ordovicianatlas.org\/wp-json\/wp\/v2\/pages\/2784"}],"wp:attachment":[{"href":"https:\/\/www.ordovicianatlas.org\/wp-json\/wp\/v2\/media?parent=2786"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}