57 Specimen Results

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Phylum

Order

Astrapidiformes (1)

Aulopiformes (1)

Crossognathiformes (2)

Ichthyodectiformes (2)

Class

Actinopterygii (5)

Cephalopoda (4)

Chondrichthyes (9)

Pteraspidomorpha (1)

Family

Anacoracidae (4)

Archeognathidae (1)

Astraspididae (1)

Baculitidae (1)

Cretoxyrhinidae (1)

Genus

Archeognathus (1)

Cretoxyrhina (1)

Dolichorhynchops (1)

has media

Has no media (35)

Individual/Organization

Walker, M.V. (16)

Pearce, G.B. (1)

Bonner, M.C. (4)

Miller, H.W. (1)

Zakrzewski, R.J. (2)

Everhart, M.J. (1)

McMullen, T.L. (1)

Period

Cretaceous (54)

Epoch

Age

Formation

Member

Country

United States of America (54)

State/Province

South Dakota (2)

County