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Class:
Bivalvia
Family:
Mactridae
FHSM IP-2057
Simomactra planulata
(Conrad, 1837)
Period(Early):
Quaternary
FHSM IP-2151
Simomactra falcata
(Gould, 1850)
Period(Early):
Quaternary
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Mollusca (2)
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Cardiida (2)
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Simomactra (2)
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Sternberg, C.H. (2)
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Quaternary (2)
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Pleistocene (2)
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United States of America (2)
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