User Options
Toggle navigation
Login
Register
Login
Register
Main Site
Browse
Advanced Search
Featured
About
705 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
Formation:
Niobrara
Age:
Santonian
Filter by
Phylum
Chordata (688)
Mollusca (4)
Order
Ammonitida (1)
Anguilliformes (1)
Aulopiformes (54)
Beryciformes (6)
Chimaeriformes (1)
Crossognathiformes (24)
Hesperornithiformes (5)
Hippuritida (1)
Ichthyodectiformes (55)
Ichthyornithiformes (9)
Lamniformes (100)
Myliobatiformes (1)
Ornithischia (6)
Pachycormiformes (42)
Plesiosauria (10)
Polymixiiformes (1)
Pterosauria (43)
Pycnodontiformes (5)
Rajiformes (4)
Squamata (99)
Testudines (22)
Tselfatiiformes (45)
and 15 more
Class
Actinopterygii (236)
Aves (14)
Bivalvia (1)
Cephalopoda (3)
Chondrichthyes (175)
Miscellaneous (1)
Reptilia (187)
Family
Anacoracidae (57)
Anguillidae (1)
Ankylosauridae (1)
Baculitidae (1)
Callorhinchidae (1)
Cheloniidae (15)
Cimolichthyidae (17)
Cretoxyrhinidae (20)
Crossognathidae (6)
Dercetidae (2)
Dolichosauridae (2)
Enchodontidae (35)
Hadrosauridae (2)
Hesperornithidae (5)
Holocentridae (6)
Ichthyodectidae (40)
Ichthyornithidae (9)
Mitsukurinidae (7)
Mosasauridae (96)
Myliobatidae (1)
Nodosauridae (3)
Odontaspididae (1)
Otodontidae (13)
Pachycormidae (42)
Pachyrhizodontidae (18)
Plethodidae (45)
Polycotylidae (3)
Polymixiidae (1)
Protostegidae (5)
Pteranodontidae (43)
Ptychodontidae (67)
Pycnodontidae (5)
Radiolitidae (1)
Rhinobatidae (4)
Saurodontidae (15)
Toxochelyidae (1)
and 29 more
Genus
Aethocephalichthys (3)
Aetobatus (1)
Apsopelix (6)
Baculites (1)
Bonnerichthys (4)
Cimolichthys (17)
Clidastes (10)
Coniasaurus (2)
Cretalamna (13)
Cretoxyrhina (19)
Dolichorhynchops (2)
Durania (1)
Ectenosaurus (2)
Enchodus (33)
Eumylodus (1)
Gillicus (3)
Hadrosaurus (1)
Hesperornis (5)
Ichthyodectes (8)
Ichthyornis (8)
Inocentrus (1)
Johnlongia (1)
Kansius (4)
Leptecodon (1)
Martinichthys (33)
Micropycnodon (4)
Niobrarasaurus (3)
Omosoma (1)
Pachyrhizodus (18)
Paraliodesmus (3)
Pentanogmius (4)
Platecarpus (12)
Plesioplatecarpus (7)
Plioplatecarpus (1)
Protosphyraena (35)
Protostega (5)
Pseudocorax (4)
Pteranodon (43)
Ptychodus (67)
Rhinobatos (4)
Saurocephalus (2)
Saurodon (13)
Scapanorhynchus (7)
Selmasaurus (2)
Squalicorax (53)
Stratodus (2)
Thryptodus (4)
Toxochelys (15)
Trachodon (1)
Tylosaurus (26)
Urenchelys (1)
Xiphactinus (22)
and 45 more
has media
Has media (537)
Has no media (127)
Individual/Organization
Sternberg, G.F. (163)
Walker, M.V. (139)
Wedel, L.; Edgington, O. (1)
Pearce, G.B. (2)
Taylor, R. (3)
Frye, L.C. (56)
Haverfield, R.W. (27)
and 165 more
Period
Cretaceous (705)
Epoch
Late (3)
Lte (1)
Upper (701)
Age
Santonian (705)
Formation
Niobrara (705)
Member
Smoky Hill (661)
Country
United States of America (753)
State/Province
Colorado (10)
Kansas (742)
Washington, D.C. (1)
County
Ellis (23)
Ellsworth (1)
Gove (245)
Graham (37)
Lane (22)
Lane/Gove County (1)
Logan (83)
McPherson (1)
Ness (2)
Osborne (1)
Otero (10)
Phillips (3)
Rooks (17)
Russell (1)
Scott (28)
Trego (116)
and 9 more