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705 Specimen Results
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Formation:
Niobrara
Age:
Santonian
Filter by
Phylum
Chordata (687)
Mollusca (4)
Order
(67)
(1)
(3)
Alepisauriformes (2)
Amiiformes (3)
Ammonitida (1)
Anguilliformes (1)
Aulopiformes (52)
Beryciformes (5)
Crossognathiformes (57)
Hesperornithiformes (5)
Hippuritida (1)
Holocentriformes (1)
Ichthyodectiformes (55)
Ichthyornithes (9)
Lamniformes (100)
Myliobatiformes (1)
Ornithischia (6)
Pachycormiformes (39)
Plesiosauria (10)
Polymixiiformes (1)
Pterosauria (43)
Pycnodontiformes (5)
Rajiformes (4)
Squamata (98)
Testudines (22)
Tselfatiiformes (12)
and 20 more
Class
Actinopterygii (236)
Aves (14)
Bivalvia (1)
Cephalopoda (3)
Chondrichthyes (175)
Reptilia (186)
Family
(15)
(2)
(33)
(3)
(41)
(3)
(4)
(1)
(1)
Anacoracidae (57)
Ankylosauridae (1)
Baculitidae (1)
Cimolichthyidae (17)
Cretoxyrhinidae (20)
Crossognathidae (6)
Dercetidae (2)
Dolichosauridae (2)
Edaphodontidae (1)
Enchodontidae (35)
Hadrosauridae (2)
Hesperornithidae (5)
Holocentridae (1)
Ichthyodectidae (37)
Ichthyornithidae (9)
Mitsukurinidae (7)
Mosasauridae (95)
Muraenidae (1)
Myliobatidae (1)
Nodosauridae (3)
Odontaspididae (1)
Otodontidae (13)
Pachycormidae (39)
Pachyrhizodontidae (18)
Plethodidae (12)
Polycotylidae (3)
Protostegidae (5)
Ptychodontidae (67)
Pycnodontidae (5)
Radiolitidae (1)
Rhinobatidae (4)
Saurodontidae (18)
Toxochelyidae (1)
and 35 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)
Nyctosaurus (2)
Omosoma (1)
Pachyrhizodus (18)
Paraliodesmus (3)
Pentanogmius (4)
Platecarpus (10)
Plesioplatecarpus (9)
Plioplatecarpus (1)
Protosphyraena (35)
Protostega (5)
Pseudocorax (4)
Pteranodon (41)
Ptychodus (67)
Rhinobatos (4)
Saurocephalus (2)
Saurodon (13)
Scapanorhynchus (7)
Selmasaurus (1)
Squalicorax (53)
Stratodus (2)
Thryptodus (4)
Toxochelys (15)
Trachodon (1)
Tylosaurus (26)
Urenchelys (1)
Xiphactinus (22)
and 46 more
has media
Has media (537)
Has no media (168)
Individual/Organization
Sternberg, G.F. (133)
Walker, M.V. (141)
Pearce, G.B. (2)
Taylor, R. (3)
Frye, L.C. (56)
Haverfield, R.W. (27)
Finney, D.L. (1)
and 143 more
Period
Cretaceous (705)
Epoch
Late (4)
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