Title: Studies of the Mowry shale (Cretaceous) and contemporary formations in the United States and Canada
First published: 1960
Description: A stratigraphic and paleontologic study of five large assemblages of gastroplitine cephalopods interpreted as five species of Neogastroplites having an unusual degree of variability.
Subjects: Paleontology, Ammonoidea, Shale
Places: North America
Time periods: Cretaceous
LC classification: QE75 .P9 no. 355