Bivalves - Taxonomy on a Half-Shell
Bivalve taxonomy information and research. Includes extensive biobliographic information on bivalve genera. Part of the Partnerships for Enhancing Expertise in Taxonomy (PEET) project of the National Science Foundation.

Field Guide to Freshwater Mussels of the Midwest
Online version of book of the same name, published by the Illinois Natural History Survey.

Unio Gallery
Images of freshwater pearly mussels (unionoids) of North America.

Freshwater Mussel Genera of the World
Illustrations and information about the various groups.

The Eastern Oyster: Crassostrea virginica
Information about the taxonomy and biology of this species from the Maryland Sea Grant.

Oyster Reefs
Information about oyster reefs in the Chesapeake Bay region.

The Zebra Mussel
Information about research focussed on understanding mechanisms regulating zebra mussel reproduction.

North Carolina Freshwater Mussels
Species list, species accounts with photos, identification keys, life history, shell anatomy, glossary, and references.

Tennessee Freshwater Mussels
McClung Museum virtual exhibit that explores the bivalves' biology and history.