191 Specimen Results

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Phylum

Class

Family

Contogeniidae (1)

Dolichosauridae (32)

Mosasauridae (145)

Genus

Coniasaurus (32)

Ectenosaurus (3)

Platecarpus (11)

Plesioplatecarpus (10)

Plioplatecarpus (1)

has media

Has media (170)

Has no media (21)

Individual/Organization

Sternberg, G.F. (12)

Walker, M.V. (16)

Bonner, M.C. (1)

Miller, H.W. (2)

Tidball, C.H. (1)

Rolfs, M.E. (2)

Period

Cretaceous (191)

Epoch

Age

Cenomanian (18)

Santonian (100)

Formation

Member

Blue Hill Shale (1)

Jetmore Chalk (2)

Juana Lopez (2)

Country

United States of America (192)

State/Province

South Dakota (4)

County

Las Animas (12)