Some Middle Cenomanian (Upper Cretaceous) Acanthoceratid Ammonites from the western interior of the United States
By: by William A. Cobban.
Contributors: Geological Survey (U.
Series: U.S. Geological Survey professional paper -- 1445
Publisher: U.S. Geological Survey
Published: 1987
Place of publication: Washington, DC
Language: eng
Number of pages: 28
Subjects: Acanthoceratidae; Paleontology -- Cretaceous.; Paleontology -- United States
Description: See journals under US Geological survey. Prof. paper 1445.
Notes:  86600103  t_oclc

Bibliogr.

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