Plethobasus is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels.
Species Species within the genus Plethobasus include: Plethobasus cicatricosus (white warty-back pearly mussel) Plethobasus cooperianus (orange-footed pimpleback mussel) Plethobasus cyphyus (sheepnose mussel)
References