List of non-marine molluscs of the United States

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

Freshwater gastropods[edit]

Amnicolidae
Pleuroceridae
Hydrobiidae
Planorbidae
Physidae
Lymnaeidae

Land gastropods[edit]

Land gastropods in the USA include:

Charopidae

Discidae

Helicodiscidae

Oreohelicidae

Polygyridae
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[edit]

Unionidae

Federally endangered or threatened[edit]

Federally endangered or threatened freshwater molluscs[edit]

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
Alasmidonta heterodon Dwarf wedgemussel Connecticut, Delaware, District of Columbia, Massachusetts, Maryland, North Carolina, New Hampshire, New Jersey, New York, Pennsylvania, Virginia, Vermont E
Antrobia culveri Tumbling creek cavesnail Missouri E
Assiminea pecos Pecos Assiminea snail New Mexico, Texas, Mexico (in salt marshes) E
Athearnia anthonyi Anthony's riversnail Alabama, Tennessee E
Campeloma decampi Slender campeloma Alabama E
Elimia crenatella Lacy elimia Alabama T
Epioblasma obliquata Purple catspaw Ohio, Kentucky, Tennessee E
Epioblasma perobliqua White catspaw Ohio, Michigan, Indiana E
Erinna newcombi Newcomb's snail Hawaii T
Idaholanx fresti Banbury Springs lanx Idaho E
Juturnia kosteri/Tryonia kosteri Koster's springsnail/Koster's tryonia New Mexico E
Leptoxis ampla Round rocksnail Alabama T
Leptoxis plicata Plicate rocksnail Alabama E
Leptoxis taeniata Painted rocksnail Alabama T
Lepyrium showalteri Flat pebblesnail Alabama E
Lioplax cyclostomatiformis Cylindrical lioplax Alabama E
Marstonia ogmoraphe (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 Live-bearing snail Alabama E
Valvata utahensis Utah roundmouth snail Idaho, extirpaded from Utah E

Federally endangered or threatened land gastropods[edit]

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
Morro Shoulderband snail Helminthoglypta walkeriana California E
Magazine Mountain shagreen Mesodon magazinensis Arkansas T
Chittenango ovate amber snail Novisuccinea chittenangoensis New York T
Stock Island tree snail 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[edit]

Lists of molluscs of surrounding countries:

References[edit]

  1. ^ a b c d e f g h i j k l m Rodrigo B. Salvador, Fred J. Brook, Lara D. Shepherd, Martyn Kennedy (2020). "Molecular phylogenetic analysis of Punctoidea (Gastropoda, Stylommatophora)". Zoosystematics and Evolution 96(2): 397-410.
  2. ^ Dot Snails (Punctidae) The living world of Molluscs [1]
  3. ^ Punctum pygmaeum
  4. ^ U.S. Fish & Wildlife Service (2009). Endangered Species Bulletin 34(3): 31.

External links[edit]

  • States
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