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2 Specimen Results
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Member:
Hartland
County:
Mitchell
FHSM IP-967
Calycoceras
(Hyatt, 1900)
Formation:
Greenhorn
Period(Early):
Cretaceous
FHSM VP-19170
Ptychodus anonymus
(Williston, 1900)
Formation:
Greenhorn
Period(Early):
Cretaceous
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