User Options
Toggle navigation
Login
Register
Login
Register
Main Site
Browse
Advanced Search
Featured
About
122 Specimen Results
Add all results to lightbox
Select results to add to lightbox
Sort by:
Title
Sort order:
Ascending
Descending
Start Over
Download results as:
Checklist
PDF (thumbnails)
Specimen information (Excel)
Add selected results to lightbox
Family:
Ptychodontidae
has media:
Has no media
Filter by
Phylum
Chordata (122)
Order
(122)
Class
Chondrichthyes (122)
Genus
Ptychodus (122)
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)
Rivera-Molina, I. (4)
Laser, O. (4)
Ortiz, B. (2)
Peng, A. (10)
Fitzpatrick, MJ. (10)
Hermann, W. (2)
and 36 more
Period
Cretaceous (121)
Epoch
Lat (1)
Late (5)
Upper (88)
Age
Cenomanian (25)
Coniacian (1)
Middle Cenomanian (5)
Santonian (16)
Turonian (43)
Formation
Carlile (31)
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 (10)
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