The Triassic cephalopod genera of America
By: by Alpheus Hyatt and James Perrin Smith.
Contributors: Smith, James Perrin, 1864-1931.
Series: Geological Survey (U.S.). Professional paper -- no. 40.; Professional paper (Geological Survey (U.S.)) -- no. 40.
Publisher: Govt. Print. Off.
Published: 1905
Place of publication: Washington
Language: eng
Number of pages: 394
Subjects: Cephalopoda, Fossil -- United States.; Paleontology -- United States -- Triassic.
Notes: Subject series: C, Systematic geology and paleontology, 74.

Includes bibliographical references (p. 211-214).