List of non-marine molluscs of the United States

The non-marine mollusks of the United States are a part of the molluscan fauna of the United States.

Freshwater gastropods[]

Amnicolidae

• Amnicola cora Hubricht 1979 - Foushee Cavesnail
• Amnicola dalli Pilsbry and Beecher 1892 - Peninsula Amnicola
• Haldeman 1845
• Amnicola limosus Say 1817 - Mud Amnicola
• Thompson 1968 - Squaremouth Amnicola
• Hubricht 1971 -Stygian Amnicola
• Hershler, Fresh, Liu, and Johannes 2003 - Canary dusky-snail
• Colligyrus depressus Hershler 1999 - Harney Basin Duskysnail
• Pilsbry 1935 - Rocky Mountain Duskysnail
• Thompson and Hersler 1991 - Shaggy Ghostsnail
• Pilsbry 1917 - Baker's Springsnail
• Carpenter 1872 - Slender Duskysnail
• Lyogyrus granum Say 1822 -Squat Duskysnail
• Thompson and Hershler 1991 - cobble Sprite
• Walker 1906 - Lake Duskysnail
• Gould 1841 - Pupa Duskysnail
• Thompson 1968 - Indented Duskysnail
• Pilsbry 1898 - Canadian Duskysnail

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

• Amphigyra alabamensis Pilsbry 1906 Shoal Sprite
• Biomphalaria havanensis Pfeiffer 1839 - Ghost Ramshorn
• Tryon 1863 - Fragile Ancylid (limpet)
• Say 1817 - Creeping Ancylid (limpet)
• Gyraulus circumstriatus Tryon 1866 - Disc Gyro
• Gyraulus crista Linnaeus 1758 - Star Gyro
• Gyraulus deflectus Say 1824 - Flexed Gyro
• Baker 1934 - Tuba Gyro
• Gyraulus parvus Say 1817 - Ash Gyro
• Gould 1847 - Pacific Coast Gyro
• Hebetancylus excentricus Morelet 1851 - Excentric Ancylid (limpet)
• Helisoma anceps Menke 1830 -Two-ridge Ramshorn
• Cooper 1870
• Lea 1858 Great Basin Ramshorn
• Laevapex fuscus Adams 1841 -Dusky Ancylid
• Menetus dilatatus Gould 1841 - Bugle Sprite
• Gould 1847 - Button Sprite
• Lea 1842 - Disc Sprite
• Baker 1945 - Penny Sprite
• Ancey 1885 - Sampson Sprite
• Neoplanorbis carinatus Walker 1908 - Carinate Flat-top Snail
• Neoplanorbis smithi Walker 1908 - Angled Flat-top Snail
• Neoplanorbis tantillus Pilsbry 1906 - Little Flat-top Snail
• Neoplanorbis umbilicatus Walker 1908 - Umbilicate Flat-top Snail
• Berry 1966 - New Mexico Ramshorn
• Gould 1855 - Jupiter Ramshorn
• Tryon 1867 - Coarse Ramshorn
• Planorbella campanulata Say 1821 - Bellmouth Ramshorn
• Baker 1945 - Caribou Ramshorn
• Say 1824 - Corpulent Ramshorn
• Planorbella duryi Wetherby 1879 - Seminole Ramshorn
• Planorbella magnifica Pilsbry 1903 - Magnificent Ramshorn
• Planorbella multivolvis Case 1847 - Acorn Ramshorn
• Cooper 1870 - Fine-lined Ramshorn
• Planorbella oregonensis Tryon 1865 - Lamb Ramshorn
• Baker 1926 - File Ramshorn
• Jay 1839 - Mesa Ramshorn
• Carpenter 1857 - Rough Ramshorn
• Dunker 1850 - Mexican Ramshorn
• Lea 1856 - Keeled Ramshorn
• Planorbella trivolvis Say 1817 - Marsh Ramshorn
• Miles 1861 - Druid Ramshorn
• Planorbula armigera Say 1821 - Thicklip Ramshorn
• Dawson 1875 - Meadow Ramshorn
• Promenetus exacuous Say 1821 - Sharp Sprite
• Cockerell 1887 - Thicklip Ramshorn
• Walker 1917 - Cahaba Ancylid
• Rhodacmea elatior Anthony 1855 - Domed Ancylid
• Rhodacmea filosa Conrad 1834 - Wicker Ancylid
• Walker 1908 - Knobby Ancylid
• Lea 1856 - Artemesian Ramshorn
• Dall 1870 -

Physidae

• Aplexa elongata Say 1821 -Lance Aplexa
• Taylor 2003 - San Rafael Physa
• Taylor 2003 - Sonoma Physa
• Taylor 2003 - Chippewa Physa
• Wethington, Dillon, Wise 2009 - Carolina Physa
• Dall 1919 - Obtuse Physa
• Physa megalochlamys Taylor 1988 - Cloaked Physa
• Physa natricina Taylor 1988 - Snake River Physa
• Physa sibirica Westerlund 1876 - Frigid Physa
• Physa skinneri Taylor 1954 - Glass Physa
• Taylor and Jokinen 1984 - Vernal Physa
• Physella acuta
• Say 1825 - Pumpkin Physa
• Aguayo 1935 - Lowdome Physa
• Clench 1924 - Comanche Physa
• Cross and Fischer 1881 - Desert Physa
• Hemphill 1890 - Rotund Physa
• Fischer and Crosse 1886 - Texas Physa
• Tryon 1865 - Olive Physa
• Newcomb 1861 - Ornate Physa
• Pfeiffer 1839 - Carib Physa
• Haldeman 1841 - Globose Physa
• Physella gyrina Say 1821 - Tadpole Physa
• Tryon 1865 - Rocky Mountain Physa
• Clench 1925- Physa
• Taylor 2003 - Idaho Physa
• Clench 1925 - Bayou Physa
• Physella heterostropha Say 1817 - Pewter Physa
• Lea 1864 - Grain Physa
• Gould 1855 - Corkscrew Physa
• Physella integra Haldeman 1841 - Ashy Physa
• Physella johnsoni Clench 1926 - Banff Springs Physa
• Baird 1863 - Twisted Physa
• Walker 1901 - Great Lakes Physa
• Phillippi 1841 - Polished Physa
• Physella microstriata — Fish Lake physaChamberlain and Berry 1930; U.S. endemic/extinct
• Physella natricina — Snake River physa snail
• Haldeman 1841 - Cayuse Physa
• Physella parkeri Currier 1881 - Broadshoulder Physa
• Conrad 1834 - Claiborne Physa
• Physella spelunca Turner and Clench 1974 - Cave Physa
• Morelet 1851 - Squalid Physa
• Lea 1864 - Sculpted Physa
• Gould 1847 - Banded Physa
• Gould 1855 - Protean Physa
• Gould 1847 - Sunset Physa
• Pip 2004 - Lake Winnipeg Physa
• Physella wrighti Te and Clark 1985- Hotwater Physa
• Physella zionis Pilsbry 1926 - Wet-rock Physa

Lymnaeidae

• Stagnicola bonnevillensis
• Stagnicola utahensis — Thickshell pondsnail

Land gastropods[]

Land gastropods in the USA include:

Charopidae

• (H.B. Baker, 1930)^[1]

Discidae

• Anguispira alternata (Say, 1816)^[1]
• Kutchka, 1938^[1]
• Anguispira kochi (L. Pfeiffer, 1846)^[1]
• H.B. Baker, 1932^[1]
• (Pfeiffer, 1854)^[1]
• (Pilsbry, 1924)^[1]
• (Deshayes, 1830)^[1]

Helicodiscidae

• Hubricht, 1962^[1]
• Helicodiscus parallelus (Say, 1821)^[1]

Oreohelicidae

• Oreohelix idahoensis (Hemphill, 1890)^[1]
• Pilsbry, 1904^[1]
• Oreohelix vortex S.S. Berry, 1932^[1]

Polygyridae

• Fumonelix archeri - Archer's toothed land snail
• Fumonelix jonesiana- big-tooth covert, Jones' middle-toothed land snail

Punctidae

• Punctum pygmaeum - Also known as the "dot snail", typically a translucent and flat shell, commonly found in forests or damp areas. ^{[2] [3]}

Freshwater bivalves[]

Unionidae

• Quadrula — many species
  • Quadrula apiculata — Southern mapleleaf
  • Quadrula aurea — Golden orb
  • Quadrula tuberosa — Rough rockshell (extinct)

Federally endangered or threatened[]

Federally endangered or threatened freshwater molluscs[]

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.^[4]

Scientific name	Common name	Home range	status
Antrobia culveri	Tumbling creek cavesnail	Missouri	E
Athearnia anthonyi	Anthony's riversnail	Alabama, Tennessee	E
Assiminea pecos		New Mexico, Texas, Mexico (in salt marshes)	E
Campeloma decampi	Slender campeloma	Alabama	E
Elimia crenatella	Lacy elimia	Alabama	T
Erinna newcombi	Newcomb's snail	Hawaii	T
Juturnia kosteri/Tryonia kosteri	/Koster's tryonia	New Mexico	E
Idaholanx fresti	Banbury Springs lanx	Idaho	E
Leptoxis ampla	Round rocksnail	Alabama	T
Leptoxis plicata	Plicate rocksnail	Alabama	E
Leptoxis taeniata	Painted rocksnail	Alabama	T
Lioplax cyclostomaformis	Cylindrical lioplax	Alabama	E
Lepyrium showalteri	Flat pebblesnail	Alabama	E
(listed as Pyrgulopsis ogmorhaphe)	Royal marstonia	Tennessee	E
Marstonia pachyta (listed as Pyrgulopsis pachyta)	Armored marstonia	Alabama	E
Physa natricina	Snake river physa snail	Idaho	E
Physella spelunca	Cave physa	U.S. endemic, caves	V
Physella utahensis	Utah physa	Utah; U.S. endemic	V
Physella zionis	Wet rock physa	Zion National Park, Utah; U.S. endemic	V
Pyrgulopsis bruneauensis	Bruneau Hot Springsnail	Idaho	E
Pyrgulopsis neomexicana	Socorro springsnail	New Mexico	E
Pyrgulopsis roswellensis	Roswell springsnail	New Mexico	E
Quadrula asperata	Alabama orb freshwater mussel	Alabama region; U.S. endemic	NT
Quadrula couchiana	Rio Grande monkeyface freshwater mussel	Rio Grande region; U.S. endemic	CE
Quadrula cylindrica	Rabbitsfoot freshwater mussel	U.S. endemic	V
Quadrula fragosa	Winged Mapleleaf freshwater mussel	Wisconsin, Minnesota, and Missouri; U.S. endemic	CE
Quadrula houstonensis	Smooth pimpleback freshwater mussel	Texas region; U.S. endemic	CE
Quadrula intermedia	Cumberland monkeyface pearly mussel	Appalachia region: western Virginia + eastern Tennessee	CE
Quadrula metanevra	Monkeyface freshwater mussel	Southeastern United States	NE
Quadrula pustulosa	Pimpleback freshwater mussel	Southeastern United States	NE
Quadrula quadrula	Mapleleaf freshwater mussel	northern Eastern United States + Eastern Canada	LC
Quadrula refulgens	Purple pimpleback freshwater mussel	U.S. endemic	NT
Quadrula rumphiana	Ridged mapleleaf freshwater mussel	U.S. endemic	NT
Quadrula sparsa	Appalachian monkey-face pearly mussel	Appalachia region: western Virginia + eastern Tennessee	CE
Quadrula stapes	Stirrup shell	Alabama + Mississippi; U.S. endemic	CE — Extinct
Stagnicola utahensis	Thickshell pondsnail	Utah Lake, Utah; U.S. endemic	CE
Taylorconcha serpenticola	Bliss Rapids snail	Idaho	T
Tryonia alamosae	Alamosa springsnail	New Mexico	E
Tulotoma magnifica		Alabama	E
Valvata utahensis	Utah roundmouth snail	Idaho, extirpaded from Utah	E

Federally endangered or threatened land gastropods[]

Common name	Scientific name	Home range	status
Oʻahu tree snails	Achatinella spp.	Hawaii	E
Painted snake-coiled forest snail	Anguispira picta	Tennessee	T
Iowa Pleistocene snail	Discus macclintocki	Illinois, Iowa	E
	Helminthoglypta walkeriana	California	E
Magazine Mountain shagreen	Mesodon magazinensis	Arkansas	T
Chittenango ovate amber snail	Novisuccinea chittenangoensis	New York	T
	Orthalicus reses (not include O. r. nesodryas)	Florida	T
Kanab Ambersnail	Oxyloma haydeni kanabensis	Arizona, Utah	E
Noonday globe	Patera clarki nantahala	North Carolina	T
Virginia fringed mountain snail	Polygyriscus virginianus	Virginia	E
Flat-spired three-toothed snail	Triodopsis platysayoides	West Virginia	T

See also[]

• United States Fish and Wildlife Service list of endangered species

Lists of molluscs of surrounding countries:

• List of non-marine molluscs of Canada
• List of non-marine molluscs of Mexico
• List of non-marine molluscs of Cuba

References[]

External links[]

• Federally listed gastropods (include one marine)
• Federally listed bivalves

• States

• uark.edu: Arkansas
• Walker B. 1899. The terrestrial Mollusca of Michigan. 27 pp.
• '"Ecology of Northern Michigan" —Anootated list of the molluscs of the Porcupine Mountains and Isle Royale, Michigan; pages 93-99; Walker B. & Ruthven A. G. 1906.
• nhp.nris.mt.gov: Montana
• fieldguide.mt.go: Gastropoda fieldguide to Montana
• carnegiemnh.org: Pennsylvania - land gastropods
• Southern Illinois - land gastropods
• Kathryn E. Perez. (last edited September 12, 2006) Land Snail List for Texas.
• Utah
• at http://www.dgif.virginia.gov/wildlife/publications/ Special Status Faunal Species in Virginia
• Official List of Virginia Native and Naturalized Species
• dnr.wi.gov: Wisconsin
• Williams, J. D., Bogan, A. E., Butler, R. S., Cummings, K. S., Garner, J. T., Harris, J. L., ... & Watters, G. T. (2017). "A Revised List of the Freshwater Mussels (Mollusca: Bivalvia: Unionida) of the United States and Canada". Freshwater Mollusk Biology and Conservation 20: 33-58.