A monograph of West American pyramidellid mollusks,

The Pyramellidae are a family of mollusks mostly of small size and world-wide distribution. No record of unmistakable Pyramidellidae has been found in the Cretaceous faunas, though such may occur, but they are numerous in the Tertiaries and perhaps most fully represented in the existing faunas.

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Bibliographic Details
Main Author: Dall, William Healey, 1845-1927.
Corporate Author: Smithsonian Institution.
Other Authors: Bartsch, Paul, 1871-1960, (joint author.), Bartsch, Paul, 1871-1960.
Format: Book
Language:English
Published: Washington, Govt. Print. Off., 1909.
Series:Smithsonian Institution. United States national museum. Bulletin 68
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3rd Floor Main Library

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Call Number: A1234.567
Copy 1 Available