A comparison of the genera Metaplacenticeras spath and Placenticeras meek
By: by John B. Reeside, Jr.
Contributors: Geological Survey (U.S.)
Series: Geological Survey professional paper -- 147-A.
Publisher: U.S. Government Printing Office
Published: 1926
Place of publication: Washington, DC
Language: eng
Subjects: Ammonoidea.
Notes: Bibliogr.

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