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Formation:
Carlile Shale
Order:
Class:
Chondrichthyes
Family:
Ptychodontidae
Individual/Organization:
Schmiedeler, J.
FHSM VP-19843
Ptychodus anonymus
(Williston, 1900)
Formation:
Carlile Shale
Period(Early):
Cretaceous
FHSM VP-19844
Ptychodus mammillaris
(Agassiz, 1839)
Formation:
Carlile Shale
Period(Early):
Cretaceous
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Phylum
Chordata (2)
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Ptychodus (2)
Period
Cretaceous (2)
Formation
Carlile Shale (2)
Member
Fairport Chalk (2)