Genus Strophitus
Class Bivalvia
: Subclass Paleoheterodonta
: Genus Strophitus
Strophitus undulatus (Squawfoot)
The interior of the squawfoot mussel shell has nacre that is bluish white along the margins and cream or salmon near the beak cavity. The pseudocardinal teeth and the lateral teeth are visible only as thickened ridges. The beak cavity is rather shallow.
Collection of the Illinois State Museum, photograph by Karen Little
ISM Accession #: 678363
Class Bivalvia
: Subclass Paleoheterodonta
: Genus Strophitus
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