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28 Specimen Results
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County:
Otero
Formation:
Niobrara
Filter by
Phylum
Chordata (10)
Ichnofossils (2)
Mollusca (16)
Order
(4)
(1)
(1)
Ammonitida (1)
Hippuritida (4)
Ichthyodectiformes (1)
Lamniformes (4)
Myalinida (9)
Ostreida (1)
Squamata (1)
and 3 more
Class
(1)
(1)
Actinopterygii (1)
Bivalvia (15)
Cephalopoda (1)
Chondrichthyes (8)
Reptilia (1)
Family
(1)
(1)
Anacoracidae (2)
Cretoxyrhinidae (2)
Ichthyodectidae (1)
Inoceramidae (9)
Mosasauridae (1)
Ostreidae (1)
Ptychodontidae (4)
Radiolitidae (4)
Vascoceratidae (1)
and 4 more
Genus
Cremnoceramus (1)
Cretoxyrhina (2)
Domichnia (1)
Durania (4)
Inoceramus (7)
Mytiloides (1)
Platecarpus (1)
Pseudoperna (1)
Ptychodus (4)
Rogerella (1)
Squalicorax (2)
Vascoceras (1)
and 5 more
Individual/Organization
Schumacher, B.A. (21)
Liggett, G.A. (7)
Archer, M. (1)
Barnhardt, M. (1)
Mitchell, M. (1)
Period
Cretaceous (28)
Epoch
Upper (10)
Age
Santonian (10)
Formation
Niobrara (28)
Member
Fort Hays (7)
Smoky Hill (21)
Country
United States of America (28)
State/Province
Colorado (28)