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12 Specimen Results
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Family:
FHSM VP-15199
Ptychotrygon (Jaekel, 1894)
Formation: Greenhorn
Period(Early): Cretaceous
FHSM VP-17993
Ptychotrygon vermiculata (Cappetta, 1975)
Formation: Fox Hills
Period(Early): Cretaceous
FHSM VP-18607
Ptychotrygon (Jaekel, 1894)
Formation: Carlile
Period(Early): Cretaceous
FHSM VP-18608
Ptychotrygon (Jaekel, 1894)
Formation: Carlile
Period(Early): Cretaceous
FHSM VP-18609
Ptychotrygon (Jaekel, 1894)
Formation: Carlile
Period(Early): Cretaceous
FHSM VP-19331
Ptychotrygon triangularis (Reuss, 1845)
Formation: Carlile
Period(Early): Cretaceous
FHSM VP-19405
Ptychotrygon (Jaekel, 1894)
Formation: Carlile
Period(Early): Cretaceous
FHSM VP-19406
Ptychotrygon (Jaekel, 1894)
Formation: Carlile
Period(Early): Cretaceous
FHSM VP-19616
Ptychotrygon winni (Case & Capetta, 1997)
Formation: Fox Hills
Period(Early): Cretaceous
FHSM VP-19617
Ptychotrygon winni (Case & Capetta, 1997)
Formation: Fox Hills
Period(Early): Cretaceous
FHSM VP-19618
Ptychotrygon greybullensis (Case, 1987)
Formation: Fox Hills
Period(Early): Cretaceous
FHSM VP-19619
Ptychotrygon (Jaekel, 1894)
Formation: Fox Hills
Period(Early): Cretaceous
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Phylum

Chordata (12)

Order

Sclerorhynchiformes (12)

Class

Chondrichthyes (12)

Genus

Ptychotrygon (12)

has media

Has media (6)
Has no media (6)

Individual/Organization

Everhart, M.J. (5)
Shimada, K. (6)
Schumacher, B.A. (3)
Decker, R. (3)
Byrd, C.J. (3)
Bice, K. (3)
Hoganson, J.W. (5)
Garza, D. (2)
Gonzales, P. (2)
Shelburne, E.C. (4)
and 3 more

Period

Cretaceous (12)

Epoch

Late (4)
Upper (8)

Age

Cenomanian (1)
Maastrichtian (5)
Turonian (6)

Formation

Carlile (6)
Fox Hills (5)
Greenhorn (1)

Member

Blue Hill Shale (1)
Codell (3)
Juana Lopez (2)
Lincoln (1)

Country

United States of America (12)

State/Province

Colorado (9)
Kansas (3)

County

Adams (5)
Jewell (3)
Las Animas (1)
Otero (3)
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