Ammonites and the Other Cephalopods of the Pierre Seaway: Identification Guide

This volume provides easily-understood descriptions of some 90 species 32 genera and 13 families of cephalopods that lived for 12 million years in the Pierre Seaway which extended through the interior of North America connecting the Arctic Ocean with the Gulf of Mexico. B&w photographs. Geoscience Press Inc. is at PO Box 42948 Tucson AZ 85733-2948. Distributed to the trade by Mountain Press. Annotation c. by Book News Inc. Portland Or.