Skip to Main Content
Skip Nav Destination

The first marine reptile from the American West was collected long before the currently accepted lithostratigraphic nomenclature was established. The reptile, Mosasaurus missouriensis (Harlan), was collected from the Big Bend area of the Missouri River from what is now considered central South Dakota and taken to Germany by Prince Maximilian of Weid. Parts of the same specimen were described in 1834 and 1846, but its lithostratigraphic source could be determined only as the Late Cretaceous Pierre Shale Group, although later authors suggested its source as the Virgin Creek Formation of the Pierre Shale. Recent examination of the preservation of the...

You do not currently have access to this chapter.

Figures & Tables




Citing Books via

Close Modal

or Create an Account

Close Modal
Close Modal