Genus Toxolasma
Class Bivalvia
: Subclass Paleoheterodonta
: Genus Toxolasma
Toxolasma texasensis (Texas Lilluput)
The interior of the Texas lilliput mussel shell has a white nacre that may be tinted with salmon in the beak cavity. The pseudocardinal teeth are thin, compressed, and elevated. The lateral teeth in this specimen are curved. The shell is relatively thin.
Collection of the Illinois State Museum, photograph by Karen Little
ISM Accession #: 674084
Class Bivalvia
: Subclass Paleoheterodonta
: Genus Toxolasma
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