{"id":4409,"date":"2014-01-07T18:49:52","date_gmt":"2014-01-07T23:49:52","guid":{"rendered":"http:\/\/www.ordovicianatlas.org\/?page_id=4409"},"modified":"2016-10-10T12:45:15","modified_gmt":"2016-10-10T16:45:15","slug":"orthorhynchula","status":"publish","type":"page","link":"https:\/\/www.ordovicianatlas.org\/atlas\/brachiopoda\/rhynchonellata\/rhynchonellida\/orthorhynchulidae\/orthorhynchula\/","title":{"rendered":"Orthorhynchula<\/em>"},"content":{"rendered":"
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Classification<\/strong>
\nPhylum: Brachiopoda<\/a>
\nClass: Rhynchonellata<\/a>
\nOrder: Rhynchonellida<\/a>
\nFamily: Orthorhynchulidae<\/a>
\nGenus: Orthorhynchula<\/em> Hall & Clarke, 1893
\nCincinnatian Species: Orthorhynchula linneyi<\/a><\/em><\/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>
\nLate Ordovician – Early Silurian <\/p>\n

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

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

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  • Transversely ovate to subcircular outline and dorsibiconvex profile<\/li>\n
  • Costae rounded, simple, from beaks<\/li>\n
  • Dental plates fused to valve walls; ventral muscle field quadrate<\/li>\n
  • Cardinal process septiform to lobate<\/li>\n<\/ul>\n<\/div>\n
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    Geographic Occurrences<\/strong><\/p>\n

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