The knobby rocksnail, scientific name Lithasia curta, is a species of medium-sized freshwater snail, an aquatic gilled gastropod mollusk in the family Pleuroceridae. This species is endemic to the United States.
The knobby rocksnail, scientific name Lithasia curta, is a species of medium-sized freshwater snail, an aquatic gilled gastropod mollusk in the family Pleuroceridae. This species is endemic to the United States.
