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233 Specimen Results
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Family: Epoch:
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

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Phylum

Chordata (233)

Order

(233)

Class

Chondrichthyes (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
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