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2 Specimen Results
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Individual/Organization:
Darnell, M.K.
Order:
FHSM VP-2121
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-15284
Ptychodus mammillaris
(Agassiz, 1839)
Formation:
Carlile
Period(Early):
Cretaceous
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Everhart, M.J. (1)
Faucett, J. (1)
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