Fresh Water Mussel Image Gallery -- Illinois State Museum

Cumberlandia monodonta (Spectaclecase)
The interior of the spectaclecase mussel shell has white nacre that is iridescent on the posterior quarter of the adult shell. The pseudocardinal tooth appears as a small knob or nodule. The lateral teeth are absent or poorly developed. The beak cavity is rather shallow.

Collection of the Illinois State Museum, photograph by Karen Little
ISM Accession #: 679686

<b><i>Cumberlandia monodonta</i> (Spectaclecase)</b>

Class Bivalvia : Subclass Paleoheterodonta : Genus Cumberlandia

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