{"id":4261,"date":"2014-01-06T15:07:12","date_gmt":"2014-01-06T20:07:12","guid":{"rendered":"http:\/\/www.ordovicianatlas.org\/?page_id=4261"},"modified":"2016-09-28T21:55:04","modified_gmt":"2016-09-29T01:55:04","slug":"anoptera","status":"publish","type":"page","link":"https:\/\/www.ordovicianatlas.org\/atlas\/mollusca\/bivalvia\/pterioida\/ambonychiidae\/anoptera\/","title":{"rendered":"Anoptera<\/em>"},"content":{"rendered":"
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Classification<\/strong>
\nPhylum: Mollusca<\/a>
\nClass: Bivalvia<\/a>
\nOrder: Pterioida<\/a>
\nFamily: Ambonychiidae<\/a>
\nGenus: Anoptera<\/em> Ulrich, 1893
\nCincinnatian Species: Anoptera miseneri<\/a><\/em><\/p>\n<\/div>\n

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[accordions title=”” disabled=”false” active=”1″ autoheight=”false” collapsible=”true”] [accordion title=”Taxonomic Details”]<\/p>\n

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  • 1893 Anoptera<\/em> Ulrich, Geol. Surv. Ohio, Rep., vol. 7, p. 649.<\/li>\n
  • 1918 Cleionychia<\/em> Foerste, Ottawa Naturalist, vol. 31, p. 121.<\/li>\n
  • 1966 Anoptera<\/em>
    \n[\/accordion] [\/accordions]<\/li>\n<\/ul>\n<\/div>\n
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    Geologic Range<\/strong>
    \nMiddle Ordovician – Late Ordovician<\/p>\n

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

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

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    • 1 cardinal tooth in some species<\/li>\n
    • Concentric growth lines<\/li>\n
    • Prominent byssal sinus<\/li>\n
    • Shell equivalved, inequilateral, rectangular<\/li>\n<\/ul>\n<\/div>\n
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      Geographic Occurrences<\/strong><\/p>\n

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