This is a demonstration of the ISM freshwater mussel image gallery.
Class Bivalvia : Subclass Paleoheterodonta : Genus Elliptio
Elliptio dilatata (Spike)
The interior of the spike mussel shell has purple, pink, or white nacre. The pseudocardinal teeth are well developed. The lateral teeth are straight, short, and roughened.
Collection of the Illinois State Museum, photograph by Karen Little
ISM Accession #: 675038
Class Bivalvia : Subclass Paleoheterodonta : Genus Elliptio
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