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4 Specimen Results
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Genus:
Ptychotrygon
Epoch:
Late
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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Phylum
Chordata (4)
Order
Sclerorhynchiformes (4)
Class
Chondrichthyes (4)
Family
Ptychotrygonidae (4)
Individual/Organization
Everhart, M.J. (4)
Hoganson, J.W. (4)
Shelburne, E.C. (4)
Period
Cretaceous (4)
Epoch
Late (4)
Age
Maastrichtian (4)
Formation
Fox Hills (4)
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United States of America (4)
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Colorado (4)
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Adams (4)