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4 Specimen Results
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Epoch:
Late
Family:
Ptychotrygonidae
FHSM VP-19616
Ptychotrygon winni
(Case & Capetta, 1997)
Formation:
Fox Hills
Period(Early):
Cretaceous
FHSM VP-19617
Ptychotrygon winni
(Case & Capetta, 1997)
Formation:
Fox Hills
Period(Early):
Cretaceous
FHSM VP-19618
Ptychotrygon greybullensis
(Case, 1987)
Formation:
Fox Hills
Period(Early):
Cretaceous
FHSM VP-19619
Ptychotrygon
(Jaekel, 1894)
Formation:
Fox Hills
Period(Early):
Cretaceous
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Chordata (4)
Order
Sclerorhynchiformes (4)
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Chondrichthyes (4)
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Ptychotrygon (4)
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Everhart, M.J. (4)
Hoganson, J.W. (4)
Shelburne, E.C. (4)
Period
Cretaceous (4)
Epoch
Late (4)
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Maastrichtian (4)
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Fox Hills (4)
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United States of America (4)
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