User Options
Toggle navigation
Login
Register
Login
Register
Main Site
Browse
Browse by
Phyla
Orders
Classes
Families
Genus
Has media
Individuals/Organizations
Periods
Epochs
Ages
Formations
Members
Countries
States/Provinces
Counties
Browse all Specimens
Advanced Search
Featured
About
10 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:
Pierre
Order:
Squamata
FHSM VP-642
Tylosaurus
(Marsh, 1872)
Formation:
Pierre
Period(Early):
Cretaceous
FHSM VP-2496
Tylosaurus proriger
(Cope, E.D., 1869)
Formation:
Pierre
Period(Early):
Cretaceous
FHSM VP-4863
Clidastes propython
(Cope, 1869)
Formation:
Pierre
Period(Early):
Cretaceous
FHSM VP-4865
Mosasauridae (Gervais, 1852)
Formation:
Pierre
Period(Early):
Cretaceous
FHSM VP-4866
Mosasauridae (Gervais, 1852)
Formation:
Pierre
Period(Early):
Cretaceous
FHSM VP-4867
Mosasauridae (Gervais, 1852)
Formation:
Pierre
Period(Early):
Cretaceous
FHSM VP-13257
Mosasauridae (Gervais, 1852)
Formation:
Pierre
Period(Early):
Cretaceous
FHSM VP-13828
Globidens
(Gilmore, 1912)
Formation:
Pierre
Period(Early):
Cretaceous
FHSM VP-19110
Platecarpus
(Cope, 1869)
Formation:
Pierre
Period(Early):
Cretaceous
FHSM VP-19111
Plioplatecarpus
(Dollo, 1882)
Formation:
Pierre
Period(Early):
Cretaceous
Next 36
Filter by
Phylum
Chordata (10)
Class
Reptilia (10)
Family
Mosasauridae (10)
Genus
Clidastes (1)
Globidens (1)
Platecarpus (1)
Plioplatecarpus (1)
Tylosaurus (2)
Individual/Organization
Sternberg, G.F. (1)
Walker, M.V. (1)
Zakrzewski, R.J. (5)
Bretz, R.F. (4)
Everhart, M.J. (4)
Bussen, J.P. (2)
Liggett, G.A. (1)
Walters, G.D. (1)
Carpenter, E. (1)
and 2 more
Period
Cretaceous (10)
Epoch
Upper (8)
Age
Campanian (8)
Formation
Pierre (10)
Member
Sharon Springs (7)
Country
United States of America (10)
State/Province
Kansas (6)
South Dakota (4)
County
Logan (5)
Pennington (4)