{"id":4255,"date":"2014-01-06T14:55:35","date_gmt":"2014-01-06T19:55:35","guid":{"rendered":"http:\/\/www.ordovicianatlas.org\/?page_id=4255"},"modified":"2016-09-28T21:48:40","modified_gmt":"2016-09-29T01:48:40","slug":"allonychia","status":"publish","type":"page","link":"https:\/\/www.ordovicianatlas.org\/atlas\/mollusca\/bivalvia\/pterioida\/ambonychiidae\/allonychia\/","title":{"rendered":"Allonychia<\/em>"},"content":{"rendered":"
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Classification<\/strong>
\nPhylum: Mollusca<\/a>
\nClass: Bivalvia<\/a>
\nOrder: Pterioida<\/a>
\nFamily: Ambonychiidae<\/a>
\nGenus: Allonychia<\/em> Ulrich, 1893
\nCincinnatian Species: Allonychia jamesi<\/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
  • 1872 Megambonia<\/em> Meek, Proc. Acad. Nat. Sci., Philadelphia, p. 321.<\/li>\n
  • 1893 Allonychia<\/em> Ulrich, Geol. Surv. Ohio, 7, p. 640.<\/li>\n
  • 1908 Allonychia<\/em> Cumings, 32d Ann. Rep., Dep. Geol. Nat. Res. Indiana, p. 9678.<\/li>\n
  • 1909 Allonychia<\/em> Grabau and Shimer, N.A. Index Fossils, 1, p. 432.<\/li>\n

    [\/accordion] [\/accordions]\n<\/p><\/div>\n

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

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

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

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    • Simple, coarse, radial rib structure<\/li>\n
    • Prominent anterior lobe<\/li>\n
    • Shell is strongly convex<\/li>\n
    • Large beaks<\/li>\n
    • Short hingeline<\/li>\n
    • Simple pallial line<\/li>\n<\/ul>\n<\/div>\n
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      Geographic Occurrences<\/strong><\/p>\n

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