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245 Specimen Results
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Phylum

Chordata (245)

Class

Chondrichthyes (245)

Family

Ptychodontidae (245)

Genus

Ptychodus (245)

has media

Has media (148)
Has no media (97)

Individual/Organization

Sternberg, G.F. (29)
Walker, M.V. (19)
Frye, L.C. (16)
Haverfield, R.W. (27)
Finney, D.L. (1)
Stewart, J.D. (4)
Zakrzewski, R.J. (10)
and 54 more

Period

Cretaceous (244)

Epoch

Lat (1)
Late (5)
Upper (233)

Age

?Turonian (2)
Cenomanian (49)
Coniacian (3)
Middle Cenomanian (5)
Santonian (67)
Turonian (108)

Formation

Carlile (56)
Carlile/Greenhorn (13)
Codell Sandstone (1)
Graneros (3)
Graneros/Greenhorn (3)
Greenhorn (94)
Niobrara (70)

Member

Basal (2)
Blue Hill (10)
Blue Hill Shale (4)
Codell (14)
Fairport (10)
Fairport Chalk (9)
Fairport/Pfeifer (1)
Fort Hays (3)
Hartland (3)
Jetmore Chalk (11)
Juana Lopez (7)
Lincoln (65)
Pfeifer (3)
Pfeifer/Freeport (9)
Smoky Hill (65)
Upper (1)
and 9 more

State/Province

Colorado (65)
Iowa (2)
Kansas (175)

County

Baca (4)
Ellis (33)
Gove (10)
Hodgeman (5)
Jewell (6)
Lane (3)
Las Animas (36)
Lincoln (1)
Logan (1)
Mitchell (8)
Osborne (1)
Otero (25)
Plymoth (2)
Republic (7)
Rooks (2)
Russell (30)
Scott (27)
Trego (18)
Washington (5)
and 12 more
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