{"id":2166,"date":"2013-11-12T14:07:27","date_gmt":"2013-11-12T19:07:27","guid":{"rendered":"http:\/\/www.ordovicianatlas.org\/?page_id=2166"},"modified":"2016-09-22T09:41:55","modified_gmt":"2016-09-22T13:41:55","slug":"cryptolithus","status":"publish","type":"page","link":"https:\/\/www.ordovicianatlas.org\/atlas\/arthropoda\/trilobita\/asaphida\/trinucleidae\/cryptolithus\/","title":{"rendered":"Cryptolithus<\/em>"},"content":{"rendered":"
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Classification<\/strong>
\nPhylum: Arthropoda<\/a>
\nClass: Trilobita<\/a>
\nOrder: Asaphida<\/a>
\nFamily: Trinucleidae<\/a>
\nGenus: Cryptolithus
\nCincinnatian Species: Cryptolithus tesselatus<\/a><\/em> (Green, 1832)<\/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>
\nEarly Ordovician – Late Ordovician <\/p>\n

Common Paleoecology<\/strong>
\nCryptolithus<\/em> is an extinct genus of fast-moving low-level epifaunal suspension feeders.<\/p>\n

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

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  • Cephalon short and wide with long genal spines.<\/li>\n
  • Glabella inflated, either smooth, or with indistinct furrows.<\/li>\n
  • Generally lacks eyes.<\/li>\n
  • Thorax with 6 segments.<\/li>\n
  • The pygidium is short, wide, and rounded-subtriangular in outline.<\/li>\n<\/ul>\n<\/div>\n
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    Geographic Occurrences<\/strong><\/p>\n

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