This is a demonstration of the ISM freshwater mussel image gallery.
Class Bivalvia : Subclass Paleoheterodonta : Genus Pleurobema
Pleurobema sintoxia (Round Pigtoe)
The interior of the round pigtoe mussel shell has white, pink, or rose-colored nacre. The pseudocardinal teeth are well-developed. The lateral teeth are straight. The beak cavity varies from shallow (medium-sized rivers) to large (large rivers).
Collection of the Illinois State Museum, photograph by Karen Little
ISM Accession #: 677263
Class Bivalvia : Subclass Paleoheterodonta : Genus Pleurobema
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