This is a demonstration of the ISM freshwater mussel image gallery.
Class Bivalvia : Subclass Paleoheterodonta : Genus Villosa
Villosa lienosa (Little Spectaclecase)
The interior of the little spectaclecase mussel shell has posteriorly iridescent white or bluish white nacre tinged with salmon. The pseudocardinal teeth are rather small. The lateral teeth are elongate, thin, and straight.
Collection of the Illinois State Museum, photograph by Karen Little
ISM Accession #: 679212
Class Bivalvia : Subclass Paleoheterodonta : Genus Villosa
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