ˈlampsələ̇s noun
Usage: capitalized
Etymology: New Latin, alteration of Lasmacampsilis, probably from lasma- (intended as latinization of French lame lamina) + Greek kampsis action of bending (from kamptein to bend, from kampē bend, turning) + Latin -ilis (adjective ending) — more at camp
: a genus of No. American freshwater mussels including the yellowback and the pocketbook