User Options
Toggle navigation
Login
Register
Login
Register
Main Site
Browse
Advanced Search
Featured
About
233 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
Epoch:
Upper
Order:
FHSM VP-76
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-77
Ptychodus occidentalis
(Leidy, 1868)
Formation:
Carlile/Greenhorn
Period(Early):
Cretaceous
FHSM VP-335
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-2
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-3
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-4
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-5
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-6
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-7
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-8
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-9
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-10
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-11
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-12
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-13
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-14
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-15
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-16
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-17
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-18
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-19
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-20
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-21
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-22
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-23
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-24
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-25
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-335-26
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-336
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-354
Ptychodus
(Agassiz, 1837)
Formation:
Greenhorn
Period(Early):
Cretaceous
FHSM VP-396
Ptychodus rugosus
(Dixon, 1850)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-421
Ptychodus
(Agassiz, 1837)
Formation:
Carlile
Period(Early):
Cretaceous
FHSM VP-422
Ptychodus
(Agassiz, 1837)
Formation:
Carlile
Period(Early):
Cretaceous
FHSM VP-697
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-2073
Ptychodus rugosus
(Dixon, 1850)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-2121
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
Next 36
Filter by
Phylum
Chordata (233)
Class
Chondrichthyes (233)
Family
Ptychodontidae (233)
Genus
Ptychodus (233)
has media
Has media (145)
Has no media (88)
Individual/Organization
Sternberg, G.F. (29)
Walker, M.V. (19)
Frye, L.C. (16)
Haverfield, R.W. (27)
Finney, D.L. (1)
Stewart, J.D. (4)
Zakrzewski, R.J. (10)
Lucas, R. (1)
Jones, D.A. (3)
Everhart, M.J. (19)
Garretts, W. (1)
Fritz, T.R. (1)
Shimada, K. (139)
Schumacher, B.A. (51)
Pickering, O. (7)
Liggett, G.A. (5)
Van Wormer, F.H. (13)
Hamm, S.A. (3)
Ewell, K. (4)
Carlile, C.S. (1)
Decker, R. (4)
Mense, E. (1)
Lott, I. (1)
Urban, M. (1)
Bonner, O.W. (1)
Scott, D. (1)
Iboran, F.A. (1)
Darnell, M.K. (2)
Faucett, J. (1)
Eaves, B. (1)
Byrd, C.J. (9)
Stewart, W.D. (1)
Rogers, C.A. (1)
Bethel, G. (3)
Balliett, S.R. (1)
Caggiano, T. (1)
McIntosh, A.P. et al (4)
Gallardo, C. et al. (4)
Smith, P.J. (1)
Bice, K. (4)
Morris, B. (1)
Jamison, G. (1)
Nelms, A. (4)
Johnson-Ransom, E. (1)
Guzzo, F. (5)
Garza, D. (6)
Gonzales, P. (6)
Huang, L. (4)
Martin, D. (1)
Armstrong, A. (3)
Jones, J. (1)
Baumgartner, K.A. (5)
London, M. (5)
Arroyo, L. (5)
Shimada, H. (5)
and 48 more
Period
Cretaceous (233)
Epoch
Upper (233)
Age
?Turonian (2)
Cenomanian (49)
Coniacian (3)
Santonian (67)
Turonian (108)
Formation
Carlile (56)
Carlile/Greenhorn (13)
Graneros (3)
Graneros/Greenhorn (3)
Greenhorn (88)
Niobrara (70)
Member
Basal (2)
Blue Hill (10)
Blue Hill Shale (4)
Codell (14)
Fairport (10)
Fairport Chalk (9)
Fairport/Pfeifer (1)
Fort Hays (3)
Hartland (2)
Jetmore Chalk (11)
Juana Lopez (7)
Lincoln (60)
Pfeifer (3)
Pfeifer/Freeport (9)
Smoky Hill (65)
Upper (1)
and 9 more
Country
United States of America (231)
State/Province
Colorado (60)
Iowa (2)
Kansas (169)
County
Baca (4)
Ellis (33)
Gove (10)
Hodgeman (3)
Jewell (5)
Lane (3)
Las Animas (36)
Lincoln (1)
Logan (1)
Mitchell (7)
Osborne (1)
Otero (20)
Plymoth (2)
Republic (7)
Rooks (2)
Russell (30)
Scott (27)
Trego (18)
Washington (5)
and 12 more