Geology and paleontology of Canal Zone and adjoining parts of Panama
Subtitle: description of Tertiary mollusks (gastropods: columbellidae to volutidae)
By: by W. P. Woodring.
Series: Geological Survey professional paper -- 306-C
Publisher: U.S. Govt. Print. Off.
Published: 1964
Place of publication: Washington
Language: eng
Number of pages: 297
Subjects: Mollusks, Fossil -- Panama.; Gastropoda, Fossil -- Panama.; Paleontology -- Panama -- Tertiary.; Formations (Geology) -- Panama.
Other titles: Description of Tertiary mollusks (gastropods: columbellidae to volutidae).
Notes: One table on folded leaf in pocket.

"A contribution to the history of the Panamá land bridge."

Includes bibliographical references (p. 290-292) and index.