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5 Specimen Results
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Genus:
Ptychotrygon
County:
Adams
FHSM VP-17993
Ptychotrygon vermiculata
(Cappetta, 1975)
Formation:
Fox Hills
Period(Early):
Cretaceous
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 (5)
Order
Sclerorhynchiformes (5)
Class
Chondrichthyes (5)
Family
Ptychotrygonidae (5)
has media
Has media (1)
Has no media (4)
Individual/Organization
Everhart, M.J. (5)
Hoganson, J.W. (5)
Shelburne, E.C. (4)
Period
Cretaceous (5)
Epoch
Late (4)
Upper (1)
Age
Maastrichtian (5)
Formation
Fox Hills (5)
Country
United States of America (5)
State/Province
Colorado (5)