ISM System
:
Fresh Water Mussel Image Gallery
Illinois Mussels
Introduction
Anatomy
Habitat
Life Cycle
Human Uses
Diversity
Mussel Database
Photo Gallery
Identification Activity
Activities
Glossary
Resources
Credits
Harvesting the River
Genus
Arcidens
Class Bivalvia
:
Subclass Paleoheterodonta
:
Genus
Arcidens
Arcidens coonfragosus
(Rock-pocketbook)
Arcidens confragosus
(Rock-pocketbook)
Class Bivalvia
:
Subclass Paleoheterodonta
:
Genus
Arcidens
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Illinois State Museum
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