User Options
Toggle navigation
Login
Register
Login
Register
Main Site
Browse
Advanced Search
Featured
About
16 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
Period:
Paleogene
Country:
United States of America
State/Province:
South Dakota
Filter by
Phylum
Chordata (3)
Mollusca (13)
Order
Artiodactyla (1)
Perissodactyla (1)
Rodentia (1)
Stylommatophora (13)
Class
Gastropoda (13)
Mammalia (3)
Family
Castoridae (1)
Equidae (1)
Helicidae (13)
Leptomerycidae (1)
Genus
Helix (13)
Leptomeryx (1)
Mesohippus (1)
Palaeocastor (1)
Individual/Organization
Walker, M.V. (14)
Harksen, J.C. (15)
Elmore, E.L. (1)
Byrd, C.J. (1)
Miller, M. (1)
Hibbard (1)
Period
Paleogene (16)
Epoch
Oligocene (16)
Age
Rupelian (1)
Formation
Brule (14)
Poleside (1)
Member
Poleside (14)
County
Pennington (1)
Shannon (1)