{"id":3013,"date":"2013-12-07T00:22:35","date_gmt":"2013-12-07T05:22:35","guid":{"rendered":"http:\/\/www.ordovicianatlas.org\/?page_id=3013"},"modified":"2016-09-26T22:44:33","modified_gmt":"2016-09-27T02:44:33","slug":"iocrinus","status":"publish","type":"page","link":"https:\/\/www.ordovicianatlas.org\/atlas\/echinodermata\/crinoidea\/disparida\/iocrinidae\/iocrinus\/","title":{"rendered":"Iocrinus<\/em>"},"content":{"rendered":"
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Classification<\/strong>
\nPhylum: Echinodermata<\/a>
\nClass:
Crinoidea<\/a>
\nOrder:
Disparida<\/a>
\nFamily:
Iocrinidae<\/a>
\nGenus: Iocrinus<\/em> Hall, 1866
\nCincinnatian Species:
Iocrinus subcrassus<\/a><\/em>\n<\/p>\n<\/div>\n

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[accordions title=”” disabled=”false” active=”1″ autoheight=”false” collapsible=”true”] [accordion title=”Taxonomic Details”]
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Geologic Range<\/strong>
\nMiddle Ordovician – Late Ordovician<\/p>\n

Common Paleoecology<\/strong>
\nIocrinus<\/em> is an extinct genus of stationary intermediate-level epifaunal suspension feeder<\/p>\n

Identification in Hand Sample<\/strong>:<\/p>\n

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  • Conical cup with 5 basals<\/li>\n
  • Robust body, but rather small compared with the arms and column, wider above than the length from the base to the summit of the first radials<\/li>\n
  • Tall anal sac<\/li>\n
  • Arms branching isotomously up to 8 times<\/li>\n
  • Column transversely pentalobate<\/li>\n<\/ul>\n<\/div>\n
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    Geographic Occurrences<\/strong><\/p>\n

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