A Review of the North American Freshwater Snail Genus Pyrgulopsis (Hydrobiidae), 1994, Smithsonian Contributions to Zoology, Number 554 : 115 pages with 53 figures.

by R. Hershler

No Synopsis Available.

• Format: Paperback
• ISBN: B0027RO37A
• Release Date: January 1994
• Publisher: Smithsonian Institution Press
• Weight: 1.01 lbs.