List of molluscs of Virginia

This is a list of molluscs in Virginia, including both current and recently historical inhabitants. Species which are presumed extirpated are crossed out.

Land species

Land gastropods

Land snails

Name Species / subspecies Family Conservation status
IUCN Red List Federal (ESA) State (Virginia DWR) State (NatureServe)
Alabama threetooth snail Triodopsis alabamensis Polygyridae No Status Rank
Amber glass snail Perpolita electrina Gastrodontidae Vulnerable (S3S4)[1]
Angular disc snail Discus catskillensis Discidae Vulnerable (S3S4)[2]
Appalachian pillar snail Cochlicopa morseana Cionellidae Apparently Secure (S4)
Appalachian thorn snail Carychium clappi Ellobiidae Apparently Secure (S4)
Appalachian tigersnail Anguispira mordax Discidae Vulnerable (S3S4)
Armed snaggletooth snail Gastrocopta armifera Pupillidae Apparently Secure (S4)
Atlantic threetooth snail Triodopsis juxtidens Polygyridae Apparently Secure (S4)
Baffled threetooth snail Triodopsis fraudulenta Polygyridae Moderate Conservation Need (Tier IV)[3] Vulnerable (S3)
Balsam globe snail Mesodon andrewsae Polygyridae Critical Conservation Need (Tier 1)[3] Critically Imperiled (S1)
Bark snaggletooth snail Gastrocopta corticaria Pupillidae Vulnerable (S3)
Barred supercoil snail Paravitrea seradens Zonitidae Very High Conservation Need (Tier II)[3] Imperiled (S2)
Bidentate dome snail Ventridens coelaxis Zonitidae Very High Conservation Need (Tier II)[3] Imperiled (S2)
Magnolia threetooth snail Triodopsis hopetonensis Polygyridae Vulnerable (S3S4)
Virginia fringed mountain snail/Virginia coil snail Polygyriscus virginianus Helicodiscidae Data Deficient[4] Endangered[5] Critical Conservation Need (Tier 1)[3] Critically Imperiled (S1)[6]

Land slugs

Name Species / subspecies Family Conservation status
IUCN Red List Federal (ESA) State (Virginia DWR) State (NatureServe)
Black mantleslug Pallifera hemphilli Philomycidae Very High Conservation Need (Tier II)[3] Critically Imperiled (S1)[7]
Blotchy mantleslug Megapallifera wetherbyi Philomycidae Very High Conservation Need (Tier II)[3] Imperiled (S2)
Brown-spotted mantleslug Philomycus venustus Philomycidae Vulnerable (S3)
Carolina mantleslug Philomycus carolinianus Philomycidae Apparently Secure (S4)
Changeable mantleslug Megapallifera mutabilis Philomycidae Apparently Secure (S4)[8]
Dusky mantleslug Philomycus batchi Philomycidae No Status Rank
Foster mantleslug Pallifera fosteri Philomycidae Apparently Secure (S4)
Grayfoot mantleslug Philomycus bisdosus Philomycidae No Status Rank
Meadow slug Deroceras laeve Limacidae Least Concern Vulnerable (S3)
Pale mantleslug Pallifera dorsalis Philomycidae Apparently Secure (S4)
Severed mantleslug Pallifera secreta Philomycidae Apparently Secure (S4)
Variable mantleslug Philomycus togatus Philomycidae High Conservation Need (Tier III)[3] Apparently Secure (S4)
Virginia mantleslug Philomycus virginicus Philomycidae High Conservation Need (Tier III)[3] Vulnerable (S3)
Winding mantleslug Philomycus flexuolaris Philomycidae Apparently Secure (S4)

Aquatic Species

Aquatic Gastropods

Freshwater snails

Name Species / subspecies Family Conservation status
IUCN Red List Federal (ESA) State (Virginia DWR) State (NatureServe)
Virginia river snail Elimia virginica Pleuroceridae Apparently Secure (S4)

Bivalves

Freshwater Mussels

Name Species / subspecies Family Conservation status
IUCN Red List Federal (ESA) State (Virginia DWR) State (NatureServe)
Alewife Floater Utterbackiana implicata Unionidae Vulnerable (S3)[9]
Appalachian Rockshell Theliderma sparsa Unionidae Critically Endangered[10] Endangered, Experimental Population, Non-Essential[11] Critically Imperiled (S1)[12]

See also

References

  1. ↑ "NatureServe Explorer 2.0 Amber Glass Snail". explorer.natureserve.org. Retrieved 20 March 2026.
  2. ↑ "NatureServe Explorer 2.0 Angular Disc Snail". explorer.natureserve.org. Retrieved 20 March 2026.
  3. 1 2 3 4 5 6 7 8 9 "Terrestrial Invertebrates" (PDF). Virginia Department of Wildlife Resources (DWR) (.gov). Retrieved 15 March 2026.
  4. ↑ "IUCN Red List of Threatened Species: Polygyriscus virginianus". IUCN Red List of Threatened Species. 1 August 1996. Retrieved 15 March 2026.
  5. ↑ "ECOS: Species Profile Virginia fringed mountain snail (Polygyriscus virginianus)". ecos.fws.gov. Retrieved 15 March 2026.
  6. ↑ "NatureServe Explorer 2.0 - Virginia Coil". explorer.natureserve.org. Retrieved 15 March 2026.
  7. ↑ "NatureServe Explorer 2.0 Black Mantleslug". explorer.natureserve.org. Retrieved 15 March 2026.
  8. ↑ "NatureServe Explorer 2.0 Changeable Mantleslug". explorer.natureserve.org. Retrieved 24 March 2026.
  9. ↑ "NatureServe Explorer 2.0 Alewife Floater". explorer.natureserve.org. Retrieved 10 April 2026.
  10. ↑ "Theliderma sparsa IUCN Red List". iucnredlist.org. International Union for Conservation of Nature. Retrieved 10 April 2026.
  11. ↑ "Appalachian monkeyface (pearlymussel) (Theliderma sparsa)". Environmental Conservation Online System. U.S. Fish & Wildlife Service. Retrieved 10 April 2026.
  12. ↑ "NatureServe Explorer 2.0 Appalachian Rockshell". explorer.natureserve.org. Retrieved 10 April 2026.
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