Genus Amblema
Class Bivalvia
: Subclass Paleoheterodonta
: Genus Amblema
Amblema plicata (Threeridge)
The interior of the threeridge mussel shell has very iridescent pearly white nacre, often stained. The pseudocardinal teeth are large and serrated. The lateral teeth are serrated and straight to curved. The beak cavity has moderate depth.
Collection of the Illinois State Museum, photograph by Robert Warren
ISM Accession #: 673298
Class Bivalvia
: Subclass Paleoheterodonta
: Genus Amblema
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