{"id":3471,"date":"2013-12-15T18:55:32","date_gmt":"2013-12-15T23:55:32","guid":{"rendered":"http:\/\/www.ordovicianatlas.org\/?page_id=3471"},"modified":"2016-09-26T22:58:29","modified_gmt":"2016-09-27T02:58:29","slug":"isorophus","status":"publish","type":"page","link":"https:\/\/www.ordovicianatlas.org\/atlas\/echinodermata\/edrioasteroidea\/isorophida\/isorophidae\/isorophus\/","title":{"rendered":"Isorophus<\/em>"},"content":{"rendered":"
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Classification<\/strong>
\nPhylum:Echinodermata<\/a>
\nClass:Edrioasteroidea<\/a>
\nOrder:Isorophida<\/a>
\nFamily:Isorophidae<\/a>
\nGenus:Isorophus<\/em> Foerste, 1916
\nCincinnatian Species: Isorophus cincinnatiensis<\/a><\/em> (Roemer, 1851)<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Geologic Range<\/strong>
\nMiddle Ordovician – Late Ordovician<\/p>\n

Common Paleoecology<\/strong>
\nIsorophus<\/em> is an extinct genus of stationary epifaunal suspension feeders<\/p>\n

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

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  • Long and curved ambulacra, one curved clockwise<\/li>\n
  • Circular outline of theca with a diameter of 8 to 40mm<\/li>\n
  • Ambulacrum short and broad in most species<\/li>\n
  • Extra series of ambulacral commonly present between usual pairs of rows<\/li>\n
  • Anal pyramid composed of 6 to 12 plates<\/li>\n<\/ul>\n<\/div>\n
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    Geographic Occurrences<\/strong><\/p>\n

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