Genus Leptodea
Class Bivalvia
: Subclass Paleoheterodonta
: Genus Leptodea
Leptodea fragilis (Fragile Papershell)
The interior of the fragile papershell mussel shell has highly iridescent pink or pinkish-white nacre. The pseudocardinal teeth appear as a thin ridge or a thickened swelling. The lateral teeth are long and thin. The beak cavity is very shallow.
Collection of the Illinois State Museum, photograph by Karen Little
ISM Accession #: 676254
Class Bivalvia
: Subclass Paleoheterodonta
: Genus Leptodea
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