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3 Specimen Results
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Member:
Pfeifer
Genus:
Ptychodus
FHSM VP-6289
Ptychodus mammillaris
(Agassiz, 1839)
Formation:
Greenhorn
Period(Early):
Cretaceous
FHSM VP-17989
Ptychodus mammillaris
(Agassiz, 1839)
Formation:
Greenhorn
Period(Early):
Cretaceous
FHSM VP-18759
Ptychodus whipplei
(Marcou, 1853)
Formation:
Greenhorn
Period(Early):
Cretaceous
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Chordata (3)
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Chondrichthyes (3)
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Ptychodontidae (3)
has media
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Individual/Organization
Zakrzewski, R.J. (1)
Everhart, M.J. (1)
Shimada, K. (3)
Urban, M. (1)
Johnson-Ransom, E. (1)
Period
Cretaceous (3)
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Upper (3)
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Turonian (3)
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Greenhorn (3)
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Pfeifer (3)
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