Classification of Holmes 1860
G. Columbella Lamarck 1799
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Columbella lunata Say 1826
Columbella ornata Ravenella 1859
G. Nucula Lamarck 1799
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Nucula acuta Conrad 1832 [pointed nut clam]
Nucula proxima Say 1820 [Atlantic Nut Clam]
G. Arca Linnaeus 1758 [ark]
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Arca americana d'Orbigny 1853
Arca caelata Reeve 1844
Arca incongrua Say 1822
Arca lienosa Say 1832
Arca ponderosa Say 1822
Arca transversa Say 1822
G. Pinna Linnaeus 1758
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†Pinna muricata Linnaeus 1758
Pinna seminuda Lamarck 1819
G. Cardita Bruguière 1792
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Cardita floridana Conrad 1838
Cardita tridentata Say 1826
G. Chione von Mühlfield 1811
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Chione cancellata Linnaeus 1767
†Chione cribraria Conrad 1843
G. Lucina Bruguière 1797
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Lucina costata d'Orbigny 1846
†Lucina crenulata Conrad 1840
Lucina divaricata Linnaeus 1758
Lucina kiawahensis Holmes 1860
†Lucina multilineata Conrad 1841
Lucina radians Conrad 1841
Lucina trisulcata Conrad 1841
G. Mercenaria Schumacher 1817 [quahog]
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Mercenaria mortoni Conrad 1837
Mercenaria notata Say 1822
Mercenaria violacea Schumacher 1817
G. Pectunculus Lamarck 1799
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Pectunculus carolinensis Holmes 1860
Pectunculus charlestonensis Holmes 1860
G. Petricola Lamarck 1801
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Petricola dactylus Sowerby 1823
Petricola pholadiformis Lamarck 1818
G. Semele Schumacher 1817
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Semele orbiculata Say 1822
Semele radiata Say 1822
Semele transversa Say 1822
Fm. Cardiidae Lamarck 1809 [cockle]
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G. Cardium Linnaeus 1758
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Cardium isocardia Linnaeus 1758
Cardium magnum Born 1778
†Cardium mortoni Conrad 1831
Cardium muricatum Linnaeus 1758
Fm. Ostreidae Rafinesque 1815 [oyster]
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Unr. Foraminifera Eichwald 1830 [foram]
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Fm. Echinidae Gray 1825
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Unr. Bryozoa Ehrenberg 1831 [bryozoan]
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Superfm. Balanoidea Leach 1817
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Unr. †Polyparia Holmes 1860
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G. †Astraea Lam
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†Astraea bella Conrad 1841
†Astraea crassa Holmes 1860
†Astraea petrosa Dana 1846