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118 Specimen Results
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Genus:
Ptychodus
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Phylum
Chordata (118)
Order
(118)
Class
Chondrichthyes (118)
Family
Ptychodontidae (118)
Individual/Organization
Sternberg, G.F. (5)
Walker, M.V. (10)
Frye, L.C. (8)
Haverfield, R.W. (3)
Stewart, J.D. (1)
Zakrzewski, R.J. (3)
Pearson, G. (1)
Everhart, M.J. (8)
Shimada, K. (86)
Schumacher, B.A. (31)
Pickering, O. (3)
Liggett, G.A. (1)
Van Wormer, F.H. (4)
Hamm, S.A. (4)
Ewell, K. (3)
Carlile, C.S. (1)
Decker, R. (2)
Mense, E. (1)
Urban, M. (1)
Darnell, M.K. (1)
Faucett, J. (1)
Byrd, C.J. (6)
Rogers, C.A. (1)
McIntosh, A.P. et al (3)
Gallardo, C. et al. (2)
Bice, K. (1)
Guzzo, F. (5)
Garza, D. (6)
Gonzales, P. (11)
Conroy, R. (5)
Shelburne, E.C. (6)
Huang, L. (1)
Schmiedeler, J. (6)
Baumgartner, K.A. (7)
London, M. (5)
Arroyo, L. (5)
Shimada, H. (5)
Laser, O. (4)
Ortiz, B. (2)
Peng, A. (10)
Fitzpatrick, MJ. (10)
and 34 more
Period
Cretaceous (117)
Epoch
Lat (1)
Late (5)
Upper (88)
Age
Cenomanian (25)
Coniacian (1)
Middle Cenomanian (5)
Santonian (16)
Turonian (43)
Formation
Carlile (27)
Carlile Shale (3)
Carlile/Greenhorn (4)
Codell Sandstone (1)
Graneros/Greenhorn (1)
Greenhorn (63)
Niobrara (17)
Niobrara Chalk (1)
and 1 more
Member
Blue Hill (2)
Blue Hill Shale (2)
Codell (1)
Fairport (7)
Fairport Chalk (10)
Fairport/Pfeifer (1)
Fort Hays (1)
Hartland (3)
Jetmore (4)
Jetmore Chalk (5)
Juana Lopez (6)
Lincoln (35)
Lincoln Limestone (2)
Pfeifer (11)
Pfeifer/Freeport (1)
Smoky Hill (16)
Smoky Hill Chalk Member (1)
and 10 more
Country
United States of America (109)
State/Province
Colorado (34)
Kansas (75)
County
Baca (2)
Ellis (10)
Gove (2)
Hodgeman (2)
Jewell (2)
Las Animas (20)
Lincoln (1)
Logan (1)
Mitchell (4)
Osborne (1)
Otero (12)
Republic (11)
Russell (24)
Scott (3)
Trego (8)
and 8 more