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70 Specimen Results
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Family:
Ptychodontidae
Formation:
Niobrara
Filter by
Phylum
Chordata (70)
Order
(70)
Class
Chondrichthyes (70)
Genus
Ptychodus (70)
has media
Has media (53)
Has no media (17)
Individual/Organization
Sternberg, G.F. (28)
Walker, M.V. (16)
Frye, L.C. (16)
Haverfield, R.W. (27)
Finney, D.L. (1)
Stewart, J.D. (4)
Zakrzewski, R.J. (2)
Everhart, M.J. (12)
Garretts, W. (1)
Fritz, T.R. (1)
Shimada, K. (4)
Schumacher, B.A. (4)
Hamm, S.A. (3)
Mense, E. (1)
Darnell, M.K. (1)
Faucett, J. (1)
Eaves, B. (1)
Balliett, S.R. (1)
Caggiano, T. (1)
Smith, P.J. (1)
Morris, B. (1)
Jamison, G. (1)
Jones, J. (1)
and 16 more
Period
Cretaceous (70)
Epoch
Upper (70)
Age
Coniacian (3)
Santonian (67)
Formation
Niobrara (70)
Member
Fort Hays (3)
Smoky Hill (65)
Country
United States of America (74)
State/Province
Colorado (4)
Kansas (70)
County
Ellis (3)
Gove (10)
Jewell (1)
Lane (3)
Logan (1)
Otero (4)
Rooks (2)
Scott (27)
Trego (18)
and 2 more