User Options
Toggle navigation
Login
Register
Login
Register
Main Site
Browse
Advanced Search
Featured
About
1142 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:
Greenhorn
Country:
United States of America
Filter by
Phylum
Chordata (1036)
Ichnofossils (4)
Mollusca (92)
Order
(94)
(3)
(2)
Acipenseriformes (1)
Agoniatitida (1)
Albuliformes (12)
Amiiformes (13)
Ammonitida (51)
Aulopiformes (72)
Beryciformes (1)
Carcharhiniformes (5)
Choristodera (1)
Crossognathiformes (40)
Elopiformes (5)
Hippuritida (1)
Ichthyodectiformes (14)
Ichthyornithes (2)
Lamniformes (426)
Myalinida (29)
Myliobatiformes (10)
Orectolobiformes (2)
Ostreida (2)
Pachycormiformes (10)
Plesiosauria (20)
Pterosauria (1)
Pycnodontiformes (25)
Rajiformes (16)
Rhinopristiformes (1)
Sclerorhynchiformes (4)
Semionotiformes (5)
Squamata (32)
Testudines (1)
Tselfatiiformes (19)
and 26 more
Class
(3)
Actinopterygii (293)
Aves (7)
Bivalvia (36)
Cephalopoda (53)
Chondrichthyes (620)
Reptilia (61)
Family
(3)
(1)
(1)
Acanthoceratidae (19)
Albulidae (12)
Anacoracidae (209)
Ansioceratidae (4)
Archaeolamnidae (20)
Aspidorhynchidae (2)
Baculitidae (8)
Cardabiodontidae (13)
Caturidae (13)
Champsosauridae (1)
Cimolichthyidae (2)
Collignoniceratidae (10)
Contogeniidae (1)
Cretoxyrhinidae (105)
Crossognathidae (2)
Dolichosauridae (25)
Elopidae (5)
Enchodontidae (67)
Gephuroceratidae (1)
Gryphaeidae (1)
Hadrodontidae (5)
Haimirichiidae (1)
Hemiscyllidae (1)
Ichthyodectidae (13)
Ichthyornithidae (2)
Ichthyotringidae (3)
Inoceramidae (29)
Mitsukurinidae (4)
Mosasauridae (2)
Muniericeratidae (3)
Myliobatidae (10)
Nursallidae (7)
Odontaspididae (45)
Ostreidae (1)
Otodontidae (14)
Pachycormidae (10)
Pachyrhizodontidae (38)
Plethodidae (19)
Pliosauridae (5)
Polycotylidae (5)
Pristidae (1)
Pseudoscapanorhynchidae (6)
Ptychodontidae (94)
Ptychotrygonidae (1)
Pycnodontidae (16)
Radiolitidae (1)
Rhinobatidae (16)
Scaphitidae (2)
Sclerorhynchidae (3)
Scyliorhinidae (5)
Vascoceratidae (1)
and 47 more
Genus
Allocrioceras (4)
Apateodus (3)
Apsopelix (2)
Archaeolamna (16)
Baculites (5)
Brachauchenius (3)
Calycoceras (3)
and 64 more
has media
Has media (851)
Has no media (291)
Individual/Organization
Sternberg, G.F. (7)
Walker, M.V. (6)
Vague, J. (1)
Hattin, D.E. (4)
Levin, W. (1)
Miller, H.W. (42)
Nelson, M.E. (1)
and 65 more
Period
Cretaceous (1142)
Epoch
Late (61)
Upper (984)
Age
?Turonian (46)
Cenomanian (616)
late Middle Cenomanian (1)
Middle Cenomanian (58)
Turonian (324)
Formation
Greenhorn (1142)
Member
basal (49)
Bridge Creek (2)
Hartland (80)
Jetmore (25)
Jetmore Chalk (111)
Lincoln (736)
Lincoln lower (1)
Lincoln mid/upper (1)
Pfeifer (63)
Pfiefer (1)
Upper (1)
and 4 more
State/Province
Colorado (596)
Iowa (49)
Kansas (470)
Wyoming (3)
County
Baca (72)
Eagle (4)
El Paso (1)
Ellis (16)
Ellsworth (1)
Gove (1)
Hodgeman (2)
Las Animas (389)
Lincoln (4)
Mitchell (29)
Niobrara (2)
Otero (130)
Ottawa (1)
Plymoth (49)
Republic (73)
Rush (1)
Russell (279)
Smith (1)
Sweetwater (1)
Washington (61)
and 13 more