American Triassic coiled nautiloids / by Bernard Kummel.

Author/creator Kummel, Bernhard, 1919-
Format Book
Publication InfoWashington : U.S. Govt. Print. Off., 1953.
Description104 pages : illustrations, 19 plates on 10 leaves, diagrams, tables ; 29 cm.
Subjects

SeriesGeological Survey professional paper ; 250
Geological Survey professional paper 250. ^A16492
Abstract A study of the classification and evolution of late Paleozoic and early Mesozoic cephalopods, and description of new species.
Bibliography noteIncludes bibliographical references (pages 89-93).
Issued in other formOnline version: Kummel, Bernhard, 1919-. American Triassic coiled nautiloids
LCCNgs 53000243
GPO item number0624
Govt. docs number I 19.16:250