Studies of the Mowry shale (Cretaceous) and contemporary formations in the United States and Canada
by John B. Reeside, Jr., and William A. Cobban: a stratigraphic and paleontologic study of five large assemblages of gastroplitine cephalopods interpreted as five species of Neogastroplites having an unusual degree of variability
Bok Engelsk 1960
| Utgitt | Washington , 1960
|
|---|---|
| Omfang | IV, 126 s. : ill
|
| Emner |
