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2 Specimen Results
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Member:
Upper
FHSM IP-2199
Gastropoda (Cuvier, 1797)
Formation:
Chester
Period(Early):
Mississippian
FHSM VP-16458
Ptychodus
(Agassiz, 1837)
Formation:
Greenhorn
Period(Early):
Cretaceous
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Ptychodus (1)
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Zakrzewski, R.J. (1)
Schumacher, B.A. (1)
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