Genus Ligumia
Class Bivalvia
: Subclass Paleoheterodonta
: Genus Ligumia
Ligumia recta (Black Sandshell)
The interior of the black sandshell mussel shell has white, pink, salmon, or purple nacre that is iridescent posteriorly. The pseudocardinal teeth are triangular and serrated. The lateral teeth are long, thin, and straight. The beak cavity is shallow.
Collection of the Illinois State Museum, photograph by Karen Little
ISM Accession #: 676493
Class Bivalvia
: Subclass Paleoheterodonta
: Genus Ligumia
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