Caspian-like relict molluscan fauna in the South American Permian
By: Bruce Runnegar, Norman D. Newell.
Contributors: Newell, Norman Dennis, 1909-2005; American Museum of Natural History.
Series: Bulletin of the American Museum of Natural History -- v. 146, article 1
Publisher: American Museum of Natural History
Published: 1971
Place of publication: New York
Language: eng
Number of pages: 66
Subjects: Mollusks, Fossil.; Paleontology -- Permian.; Paleontology -- South America.
Other titles: Molluscan fauna
Notes: Includes bibliographical references.

Summary in Portuguese.