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5 Specimen Results
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Family:
Ptychotrygonidae
Individual/Organization:
Hoganson, J.W.
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Phylum
Chordata (5)
Order
Sclerorhynchiformes (5)
Class
Chondrichthyes (5)
Genus
Ptychotrygon (5)
has media
Has media (1)
Has no media (4)
Individual/Organization
Everhart, M.J. (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)
County
Adams (5)