4 Specimen Results

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Phylum

Order

Sclerorhynchiformes (4)

Class

Chondrichthyes (4)

Genus

Ptychotrygon (4)

Individual/Organization

Everhart, M.J. (4)

Hoganson, J.W. (4)

Shelburne, E.C. (4)

Period

Epoch

Age

Maastrichtian (4)

Formation

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United States of America (4)

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