American Triassic coiled nautiloids.

A study of the classification and evolution of late Paleozoic and early Mesozoic cephalopods, and description of new species.

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Bibliographic Details
Main Author: Kummel, Bernhard, 1919-
Format: Book
Language:English
Published: Washington : U. S. Govt. Print. Off., 1953.
Series:Geological Survey professional paper ; 250.
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Description
Summary:A study of the classification and evolution of late Paleozoic and early Mesozoic cephalopods, and description of new species.
Item Description:"A study of the classification and evolution of late Paleozoic and early Mesozoic cephalopods, and description of new species."
Physical Description:104 p. : ill., 19 plates on 10 leaves, diagrs., tables. ; 29 cm.
Bibliography:Bibliography : p. 89-93.