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273 Specimen Results
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FHSM VP-23374
Ptychodus
(Agassiz, 1837)
Formation:
Greenhorn
Period(Early):
Cretaceous
FHSM VP-23343
Ptychodus
(Agassiz, 1837)
Formation:
Greenhorn
Period(Early):
Cretaceous
FHSM VP-23342
Ptychodus
(Agassiz, 1837)
Formation:
Greenhorn
Period(Early):
Cretaceous
FHSM VP-23341
Ptychodus
(Agassiz, 1837)
Formation:
Greenhorn
Period(Early):
Cretaceous
FHSM VP-23326
Ptychodus whipplei
(Marcou, 1853)
Formation:
Greenhorn
Period(Early):
Cretaceous
FHSM VP-23325
Ptychodus whipplei
(Marcou, 1853)
Formation:
Greenhorn
Period(Early):
Cretaceous
FHSM VP-23324
Ptychodus mammillaris
(Agassiz, 1839)
Formation:
Greenhorn
Period(Early):
Cretaceous
FHSM VP-23323
Ptychodus mammillaris
(Agassiz, 1839)
Formation:
Greenhorn
Period(Early):
Cretaceous
FHSM VP-23322
Ptychodus anonymus
(Williston, 1900)
Formation:
Greenhorn
Period(Early):
Cretaceous
FHSM VP-23321
Ptychodus anonymus
(Williston, 1900)
Formation:
Greenhorn
Period(Early):
Cretaceous
FHSM VP-20575
Ptychodus
(Agassiz, 1837)
Formation:
Greenhorn
Period(Early):
Cretaceous
FHSM VP-20574
Ptychodus
(Agassiz, 1837)
Formation:
Greenhorn
Period(Early):
Cretaceous
FHSM VP-20527
Ptychodus
(Agassiz, 1837)
Formation:
Greenhorn
Period(Early):
Cretaceous
FHSM VP-20526
Ptychodus
(Agassiz, 1837)
Formation:
Greenhorn
Period(Early):
Cretaceous
FHSM VP-20525
Ptychodus whipplei
(Marcou, 1853)
Formation:
Greenhorn
Period(Early):
Cretaceous
FHSM VP-20524
Ptychodus whipplei
(Marcou, 1853)
Formation:
Greenhorn
Period(Early):
Cretaceous
FHSM VP-20437
Ptychodus whipplei
(Marcou, 1853)
FHSM VP-20432
Ptychodus mammillaris
(Agassiz, 1839)
FHSM VP-20431
Ptychodus anonymus
(Williston, 1900)
FHSM VP-20428
Ptychodus whipplei
(Marcou, 1853)
FHSM VP-20424
Ptychodus occidentalis
(Leidy, 1868)
FHSM VP-20415
Ptychodus occidentalis
(Leidy, 1868)
FHSM VP-19875
Ptychodus
(Agassiz, 1837)
FHSM VP-19848
Ptychodus whipplei
(Marcou, 1853)
Formation:
Carlile Shale
Period(Early):
Cretaceous
FHSM VP-19844
Ptychodus mammillaris
(Agassiz, 1839)
Formation:
Carlile Shale
Period(Early):
Cretaceous
FHSM VP-19843
Ptychodus anonymus
(Williston, 1900)
Formation:
Carlile Shale
Period(Early):
Cretaceous
FHSM VP-19838
Ptychodus anonymus
(Williston, 1900)
Formation:
Greenhorn
Period(Early):
Cretaceous
FHSM VP-19837
Ptychodus occidentalis
(Leidy, 1868)
Formation:
Greenhorn
Period(Early):
Cretaceous
FHSM VP-19818
Ptychodus anonymus
(Williston, 1900)
Formation:
Niobrara Chalk
Period(Early):
Cretaceous
FHSM VP-19731
Ptychodus
(Agassiz, 1837)
Formation:
Carlile
Period(Early):
Cretaceous
FHSM VP-19730
Ptychodus mammillaris
(Agassiz, 1839)
Formation:
Carlile
Period(Early):
Cretaceous
FHSM VP-19729
Ptychodus mammillaris
(Agassiz, 1839)
Formation:
Carlile
Period(Early):
Cretaceous
FHSM VP-19728
Ptychodus anonymus
(Williston, 1900)
Formation:
Carlile
Period(Early):
Cretaceous
FHSM VP-19727
Ptychodus anonymus
(Williston, 1900)
Formation:
Carlile
Period(Early):
Cretaceous
FHSM VP-19632
Ptychodus latissimus
(Agassiz, 1843)
Formation:
Codell Sandstone
Period(Early):
Cretaceous
FHSM VP-19544
Ptychodus occidentalis
(Leidy, 1868)
Formation:
Greenhorn
Period(Early):
Cretaceous
Next 36
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Phylum
Chordata (273)
Class
Chondrichthyes (273)
Family
Ptychodontidae (273)
Genus
Ptychodus (273)
has media
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Individual/Organization
Sternberg, G.F. (29)
Walker, M.V. (19)
Frye, L.C. (16)
Haverfield, R.W. (27)
Finney, D.L. (1)
Stewart, J.D. (4)
Zakrzewski, R.J. (10)
and 57 more
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Cretaceous (266)
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?Turonian (2)
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and 2 more
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and 12 more
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and 12 more