American Triassic coiled nautiloids /

Bibliographic Details
Main Author:	Kummel, Bernhard, 1919-1980 (Author)
Format:	Government Document eBook
Language:	English
Published:	Washington : United States Department of the Interior, Geological Survey, 1953.
Series:	Geological Survey professional paper ; 250.
Subjects:	Nautiloidea, Fossil. Paleontology > Triassic. Paleontology. Triassic Geologic Period. From 190 to 230 million years ago
Online Access:	https://purl.fdlp.gov/GPO/gpo85271

by Kummel, Bernhard, 1919-1980
Published 1953

Government Document Book