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850 Specimen Results
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Formation:
Greenhorn
has media:
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Filter by
Phylum
Chordata (751)
Ichnofossils (2)
Mollusca (89)
Order
(3)
(49)
(2)
Agoniatitida (1)
Albuliformes (10)
Amiiformes (10)
Ammonitida (50)
Aulopiformes (57)
Beryciformes (1)
Carcharhiniformes (5)
Choristodera (1)
Crossognathiformes (31)
Elopiformes (4)
Hippuritida (1)
Ichthyodectiformes (13)
Ichthyornithes (2)
Lamniformes (318)
Myalinida (29)
Myliobatiformes (5)
Orectolobiformes (2)
Ostreida (2)
Pachycormiformes (9)
Plesiosauria (20)
Pterosauria (1)
Pycnodontiformes (23)
Rajiformes (15)
Rhinopristiformes (1)
Saurischia (1)
Sclerorhynchiformes (4)
Semionotiformes (3)
Squamata (24)
Testudines (1)
Tselfatiiformes (13)
and 26 more
Class
(2)
Actinopterygii (235)
Aves (7)
Bivalvia (34)
Cephalopoda (52)
Chondrichthyes (439)
Reptilia (54)
Family
(2)
(1)
(3)
Acanthoceratidae (18)
Albulidae (10)
Anacoracidae (178)
Ansioceratidae (4)
Archaeolamnidae (17)
Baculitidae (8)
Caenagnathidae (1)
Cardabiodontidae (10)
Caturidae (10)
Champsosauridae (1)
Cimolichthyidae (2)
Collignoniceratidae (10)
Contogeniidae (1)
Cretoxyrhinidae (47)
Crossognathidae (1)
Dolichosauridae (18)
Elopidae (4)
Enchodontidae (55)
Gephuroceratidae (1)
Gryphaeidae (1)
Hadrodontidae (3)
Haimirichiidae (1)
Hemiscyllidae (1)
Ichthyodectidae (12)
Ichthyornithidae (2)
Inoceramidae (29)
Mitsukurinidae (4)
Mosasauridae (1)
Muniericeratidae (3)
Myliobatidae (5)
Nursallidae (6)
Odontaspididae (37)
Ostreidae (1)
Otodontidae (11)
Pachycormidae (9)
Pachyrhizodontidae (30)
Plethodidae (13)
Pliosauridae (5)
Polycotylidae (5)
Pristidae (1)
Pseudoscapanorhynchidae (5)
Ptychodontidae (49)
Ptychotrygonidae (1)
Pycnodontidae (15)
Radiolitidae (1)
Rhinobatidae (15)
Scaphitidae (2)
Sclerorhynchidae (3)
Scyliorhinidae (5)
Vascoceratidae (1)
and 46 more
Genus
Allocrioceras (4)
Apateodus (3)
Apsopelix (1)
Archaeolamna (13)
Baculites (5)
Brachauchenius (3)
Calycoceras (2)
and 62 more
Individual/Organization
Sternberg, G.F. (4)
Walker, M.V. (6)
Vague, J. (1)
Hattin, D.E. (3)
Levin, W. (1)
Miller, H.W. (42)
Nelson, M.E. (1)
Stewart, J.D. (1)
Zakrzewski, R.J. (11)
Green, J.R. (3)
Knight, J.B. (1)
Everhart, M.J. (31)
McConaughey, J. (1)
Fritz, T.R. (1)
Shimada, K. (620)
Schumacher, B.A. (356)
Pickering, O. (20)
Liggett, G.A. (5)
Wallace, S.C. (1)
Van Wormer, F.H. (1)
Ewell, K. (13)
Decker, R. (1)
Lott, I. (5)
Walker, D.N. (2)
Kirkland, J.J. (1)
Bonner, O.W. (2)
Johnson, S. (1)
Johnson, E. (2)
Olson, R.E. (4)
Apply, F. (1)
Saddler (2)
Brinkley, D. (3)
Scott, D. (2)
Morris, D. (1)
Wann, D. (1)
Giebler, D. (1)
Bennett, S.C. (1)
Iboran, F.A. (1)
Olson, D.K. (1)
Bell, G.L. (2)
Stewart, W.D. (1)
Schumacher, D.M. (1)
Rogers, C.A. (1)
Cox, M. et al. (1)
Bemis, J. (1)
Polcyn, M.J. (2)
Siverson, M. (3)
Stover, J. (1)
Bell, C. (1)
Gallardo, C. et al. (65)
Johnson, J. (1)
Nelms, A. (51)
Johnson-Ransom, E. (18)
K. Bratton (11)
Cumbaa et al. (2)
Ward, L. (1)
Ward, H.K. (1)
Shelburne, E.C. (2)
Martin, D. (1)
and 52 more
Period
Cretaceous (850)
Epoch
Late (3)
Upper (758)
Age
?Turonian (42)
Cenomanian (484)
late Middle Cenomanian (1)
Turonian (234)
Formation
Greenhorn (850)
Member
basal (45)
Bridge Creek (2)
Hartland (73)
Jetmore (25)
Jetmore Chalk (58)
Lincoln (525)
Lincoln lower (1)
Lincoln mid/upper (1)
Pfeifer (57)
Pfiefer (1)
Upper (1)
and 4 more
Country
United States of America (828)
State/Province
Colorado (419)
Iowa (45)
Kansas (362)
Wyoming (2)
County
Baca (65)
Eagle (4)
El Paso (1)
Ellis (13)
Gove (1)
Hodgeman (1)
Las Animas (280)
Lincoln (3)
Mitchell (22)
Niobrara (1)
Otero (69)
Ottawa (1)
Plymoth (45)
Republic (24)
Russell (243)
Smith (1)
Sweetwater (1)
Washington (52)
and 11 more