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112 Specimen Results
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Formation:
Greenhorn
Family:
Ptychodontidae
Filter by
Phylum
Chordata (112)
Order
(112)
Class
Chondrichthyes (112)
Genus
Ptychodus (112)
has media
Has media (49)
Has no media (63)
Individual/Organization
Sternberg, G.F. (1)
Zakrzewski, R.J. (1)
Everhart, M.J. (3)
Shimada, K. (98)
Schumacher, B.A. (45)
Pickering, O. (7)
Hamm, S.A. (1)
Ewell, K. (1)
Decker, R. (1)
Lott, I. (1)
Urban, M. (1)
Scott, D. (1)
Iboran, F.A. (1)
Stewart, W.D. (1)
Rogers, C.A. (1)
Gallardo, C. et al. (4)
Nelms, A. (4)
Johnson-Ransom, E. (1)
Guzzo, F. (5)
Gonzales, P. (5)
Conroy, R. (5)
Shelburne, E.C. (5)
Martin, D. (1)
Schmiedeler, J. (2)
Baumgartner, K.A. (1)
Laser, O. (4)
Ortiz, B. (2)
Peng, A. (10)
Fitzpatrick, MJ. (10)
and 22 more
Period
Cretaceous (112)
Epoch
Late (5)
Upper (88)
Age
?Turonian (2)
Cenomanian (48)
Middle Cenomanian (5)
Turonian (38)
Formation
Greenhorn (112)
Member
Basal (2)
Hartland (5)
Jetmore (4)
Jetmore Chalk (11)
Lincoln (64)
Lincoln Limestone (2)
Pfeifer (13)
Upper (1)
and 1 more
Country
United States of America (108)
State/Province
Colorado (49)
Iowa (2)
Kansas (57)
County
Baca (4)
Ellis (1)
Hodgeman (1)
Las Animas (36)
Lincoln (1)
Mitchell (7)
Otero (9)
Plymoth (2)
Republic (13)
Russell (29)
Washington (5)
and 4 more