28 Specimen Results

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Phylum

Order

Ammonitida (26)

Family

Collignoniceratidae (7)

Placenticeratidae (1)

Scaphitidae (14)

Genus

Collignoniceras (5)

Placenticeras (1)

Prionocyclus (2)

has media

Has no media (4)

Individual/Organization

Sternberg, G.F. (1)

Walker, M.V. (20)

Van Wormer, F.H. (23)

Matsumoto, T. (5)

Period

Cretaceous (28)

Formation

Member

Country

United States of America (28)

State/Province