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4 Specimen Results
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Genus:
Ptychodus
Individual/Organization:
Stewart, J.D.
FHSM VP-2222
Ptychodus rugosus
(Dixon, 1850)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-3367
Ptychodus anonymus
(Williston, 1900)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-6388
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-10634
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
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Phylum
Chordata (4)
Order
(4)
Class
Chondrichthyes (4)
Family
Ptychodontidae (4)
has media
Has media (3)
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Individual/Organization
Walker, M.V. (1)
Frye, L.C. (1)
Zakrzewski, R.J. (1)
Fritz, T.R. (1)
Period
Cretaceous (4)
Epoch
Upper (4)
Age
Coniacian (1)
Santonian (3)
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Niobrara (4)
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Fort Hays (1)
Smoky Hill (3)
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United States of America (4)
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Kansas (4)
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Ellis (2)
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