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13 Specimen Results
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County:
Pennington
Phylum:
Chordata
Filter by
Order
Artiodactyla (1)
Crossognathiformes (2)
Ichthyodectiformes (2)
Squamata (4)
Testudines (1)
Class
Actinopterygii (4)
Mammalia (1)
Reptilia (5)
Family
(1)
Ichthyodectidae (2)
Leptomerycidae (1)
Mosasauridae (4)
Pachyrhizodontidae (2)
Genus
Clidastes (1)
Ichthyodectes (2)
Leptomeryx (1)
Pachyrhizodus (2)
Toxochelys (1)
has media
Has media (10)
Has no media (3)
Individual/Organization
Walker, M.V. (1)
Harksen, J.C. (1)
Stewart, J.D. (2)
Zakrzewski, R.J. (9)
Bretz, R.F. (12)
Carpenter, E. (1)
Period
Cretaceous (12)
Paleogene (1)
Epoch
Oligocene (1)
Upper (12)
Age
Campanian (12)
Rupelian (1)
Formation
Pierre (12)
Member
Sharon Springs (12)
Country
United States of America (13)
State/Province
South Dakota (13)