File:Bivalve Anatomy (freshwater mussel)

Description
External and internal anatomy of a freshwater mussel. Phylum Mollusca, Class Bivalvia.

Bivalves are easily distinguished from other molluscs by the presence of two shells, or "valves".

This video was made by the teaching assistant (C. Ernst) for the students of Organisms II at McGill University, but is appropriate for any introductory-level zoology program.

Organisms II, 2012