Harvesting the River: Archives: : Pistolgrip -- Illinois State Museum


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The Pistolgrip, Tritogonia verrucosa (Rafinesque, 1820), was historically widespread but uncommon in the Illinois River. It may no longer exist in the Illinois, although it does live in some other streams. (Conservation status: Currently stable).
Illinois State Museum Collection (ISM-678492)

Photograph by Robert E. Warren, Illinois State Museum.

The <b>Pistolgrip</b>, <i>Tritogonia verrucosa</i> (Rafinesque, 1820), was historically widespread but uncommon in the Illinois River. It may no longer exist in the Illinois, although it does live in some other streams. (Conservation status: Currently stable).<br>Illinois State Museum Collection (ISM-678492)