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5 Specimen Results
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Family:
Ptychotrygonidae
Individual/Organization:
Hoganson, J.W.
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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Chordata (5)
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Sclerorhynchiformes (5)
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Ptychotrygon (5)
has media
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Everhart, M.J. (5)
Shelburne, E.C. (4)
Period
Cretaceous (5)
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Maastrichtian (5)
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Fox Hills (5)
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United States of America (5)
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