This is a demonstration of the ISM freshwater mussel image gallery.
Class Bivalvia : Subclass Paleoheterodonta : Genus Quadrula
Quadrula pustulosa (Pimpleback)
The interior of the pimpleback mussel shell has pearly white nacre that is iridescent posteriorly. The pseudocardinal teeth are very well developed and serrated. The lateral teeth are heavy and serrated. The beak cavity is deep.
Collection of the Illinois State Museum, photograph by Robert Warrren
ISM Accession #: 679839
Class Bivalvia : Subclass Paleoheterodonta : Genus Quadrula
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