The non-marine mollusks of the United States are a part of the molluscan fauna of the United States.
Amnicolidae
Amnicola cora
Pleuroceridae
Lithasia armigera - armigerous river snail or armored rocksnail
Lithasia curta) - knobby rocksnail
Lithasia duttoniana - Dutton's river snail
Lithasia geniculata - geniculate river snail
Lithasia jayana - Jay's river snail
Lithasia lima - Elk River file snail
Lithasia salebrosa - muddy rocksnail
Lithasia verrucosa varicose rocksnail
Hydrobiidae
Tryonia alamosae - Alamosa springsnail
Marstonia pachyta - armored marstonia - synonym: Pyrgulopsis pachyta
Pyrgulopsis erythropoma - Ash Meadows pebblesnail
Somatogyrus humerosus - atlas pebblesnail
Planorbidae
Menetus dilatatus
Physidae
Physella acuta
Physella gyrina
Physella microstriata — Fish Lake physa; U.S. endemic/extinct
Physella natricina — Snake River physa snail
Lymnaeidae
Stagnicola bonnevillensis
Stagnicola utahensis — Thickshell pondsnail
Land gastropods
Land gastropods in the USA includes:
Polygyridae
Fumonelix archeri - Archer's toothed land snail
Unionidae
Quadrula — many species
Quadrula apiculata — Southern mapleleaf
Quadrula aurea — Golden orb
Quadrula tuberosa — Rough rockshell (extinct)
There are 34 freshwater gastropod taxa on this list. The only marine endangered gastropod is Haliotis sorenseni. The only overseas endangered land snail is Papustyla pulcherrima. Altogether 36 gastropod species are federally listed as of 2 October 2009.
