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2 Specimen Results
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Individual/Organization:
Hamm, S.A.
County:
Mitchell
FHSM VP-19170
Ptychodus anonymus
(Williston, 1900)
Formation:
Greenhorn
Period(Early):
Cretaceous
FHSM VP-19875
Ptychodus
(Agassiz, 1837)
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Chordata (2)
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(2)
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Chondrichthyes (2)
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Ptychodontidae (2)
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Ptychodus (2)
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Pearson, G. (1)
Decker, R. (1)
Baumgartner, K.A. (1)
Period
Cretaceous (1)
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Greenhorn (1)
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Hartland (1)
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