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3 Specimen Results
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Individual/Organization:
Rogers, C.A.
Genus:
Ptychodus
FHSM VP-6378
Ptychodus decurrens
(Agassiz, 1839)
Period(Early):
Cretaceous
FHSM VP-12592
Ptychodus anonymus
(Williston, 1900)
Period(Early):
Cretaceous
FHSM VP-17037
Ptychodus occidentalis
(Leidy, 1868)
Formation:
Greenhorn
Period(Early):
Cretaceous
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Chondrichthyes (3)
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Ptychodontidae (3)
has media
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Shimada, K. (3)
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Cretaceous (3)
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