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155 Specimen Results
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Phylum
Chordata (155)
Class
Chondrichthyes (155)
Family
Ptychodontidae (155)
Genus
Ptychodus (155)
Individual/Organization
Sternberg, G.F. (24)
Walker, M.V. (9)
Frye, L.C. (8)
Haverfield, R.W. (24)
Finney, D.L. (1)
Stewart, J.D. (3)
Zakrzewski, R.J. (7)
Lucas, R. (1)
Jones, D.A. (3)
Everhart, M.J. (11)
Garretts, W. (1)
Fritz, T.R. (1)
Shimada, K. (87)
Schumacher, B.A. (25)
Pickering, O. (4)
Liggett, G.A. (4)
Van Wormer, F.H. (9)
Hamm, S.A. (2)
Ewell, K. (1)
Decker, R. (3)
Lott, I. (1)
Bonner, O.W. (1)
Scott, D. (1)
Milton, W. (2)
Iboran, F.A. (1)
Darnell, M.K. (1)
Eaves, B. (1)
Byrd, C.J. (3)
Stewart, W.D. (1)
Rogers, C.A. (2)
Bethel, G. (3)
Balliett, S.R. (1)
Caggiano, T. (1)
McIntosh, A.P. et al (1)
Gallardo, C. et al. (2)
Smith, P.J. (1)
Bice, K. (3)
Morris, B. (1)
Jamison, G. (1)
Nelms, A. (4)
Johnson-Ransom, E. (1)
Huang, L. (3)
Martin, D. (1)
Armstrong, A. (3)
Jones, J. (1)
and 38 more
Period
Cretaceous (149)
Epoch
Upper (145)
Age
?Turonian (2)
Cenomanian (24)
Coniacian (2)
Santonian (51)
Turonian (65)
Formation
Carlile (29)
Carlile/Greenhorn (9)
Graneros (3)
Graneros/Greenhorn (2)
Greenhorn (49)
Niobrara (53)
Member
Basal (2)
Blue Hill (8)
Blue Hill Shale (3)
Codell (13)
Fairport (3)
Fairport Chalk (1)
Fort Hays (2)
Hartland (2)
Jetmore Chalk (6)
Juana Lopez (1)
Lincoln (30)
Pfeifer (2)
Pfeifer/Freeport (8)
Smoky Hill (49)
Upper (1)
and 8 more
Country
United States of America (155)
State/Province
Colorado (31)
Iowa (2)
Kansas (122)
County
Baca (2)
Ellis (23)
Gove (8)
Hodgeman (3)
Jewell (6)
Lane (3)
Las Animas (16)
Mitchell (4)
Otero (13)
Plymoth (2)
Republic (2)
Rooks (2)
Russell (19)
Scott (24)
Trego (10)
Washington (6)
and 9 more