User Options
Toggle navigation
Login
Register
Login
Register
Main Site
Browse
Advanced Search
Featured
About
268 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
Family:
Acmaeidae
FHSM IP-1328
Naccula parva
(Angas, 1876)
Formation:
Pierre
Period(Early):
Cretaceous
FHSM IP-1329
Naccula parva
(Angas, 1876)
Formation:
Pierre
Period(Early):
Cretaceous
FHSM IP-1330
Naccula parva
(Angas, 1876)
Formation:
Pierre
Period(Early):
Cretaceous
FHSM IP-2087
Acmaea mitra
(Eschscholtz, 1833)
Period(Early):
Quaternary
FHSM IP-2240
Acmaea
(Eschscholtz, 1830)
Period(Early):
Quaternary
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-377
Ptychodus anonymus
(Williston, 1900)
Period(Early):
Cretaceous
Next 36
Filter by
Phylum
Chordata (263)
Mollusca (5)
Order
(263)
(5)
Class
Chondrichthyes (263)
Gastropoda (5)
Genus
Acmaea (2)
Naccula (3)
Ptychodus (263)
has media
Has media (157)
Has no media (111)
Individual/Organization
Sternberg, G.F. (29)
Walker, M.V. (19)
Frye, L.C. (16)
Haverfield, R.W. (27)
Finney, D.L. (1)
Harksen, J.C. (3)
Stewart, J.D. (4)
and 58 more
Period
Cretaceous (259)
Quaternary (2)
Epoch
Lat (1)
Late (5)
Pleistocene (2)
Upper (233)
Age
?Turonian (2)
Cenomanian (49)
Coniacian (3)
Middle Cenomanian (5)
Santonian (67)
Turonian (108)
Formation
Carlile (56)
Carlile Shale (3)
Carlile/Greenhorn (13)
Codell Sandstone (1)
Graneros (3)
Graneros/Greenhorn (3)
Greenhorn (102)
Niobrara (70)
Niobrara Chalk (1)
Pierre (3)
and 3 more
Member
Basal (2)
Blue Hill (10)
Blue Hill Shale (5)
Codell (14)
Fairport (10)
Fairport Chalk (11)
Fairport/Pfeifer (1)
Fort Hays (3)
Hartland (5)
Jetmore (4)
Jetmore Chalk (11)
Juana Lopez (7)
Lincoln (65)
Lincoln Limestone (2)
Pfeifer (3)
Pfeifer/Freeport (9)
Smoky Hill (65)
Smoky Hill Chalk Member (1)
Upper (1)
and 12 more
Country
United States of America (259)
State/Province
California (2)
Colorado (65)
Iowa (2)
Kansas (187)
South Dakota (3)
County
Baca (4)
Ellis (33)
Gove (10)
Hodgeman (5)
Jewell (8)
Lane (3)
Las Animas (36)
Lincoln (1)
Logan (1)
Meade (3)
Mitchell (8)
Osborne (1)
Otero (25)
Plymoth (2)
Republic (13)
Rooks (2)
Russell (33)
San Diego (1)
Scott (27)
Trego (18)
Washington (6)
and 14 more