Terrestrial Snails

Species for Taxon

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RSGCN Concern

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Scientific Name	Common Name	RSGCN Concern	Global Rank	Federal Status	RSGCN Status
Triodopsis sp. 1	Piney Creek Threetooth	Very High	NA	NA	Watchlist [Assessment Priority]
Glyphyalinia sp. 1	West Virginia Glyph	Very High	NA	NA	Watchlist [Assessment Priority]
Triodopsis juxtidens robinae	Brush Creek Threetooth	Very High	G5T1	NA	RSGCN
Anguispira stihleri	Greenbrier Tigersnail	Very High	G1	NA	RSGCN
Helicodiscus villosus	Greenbrier Coil	Very High	G1	NA	RSGCN
Mesomphix luisant	Glossy Button	Very High	G1	NA	RSGCN
Mesomphix sp. 1	Pygmy Button	Moderate	NA	NA	Watchlist [Assessment Priority]
Catinella vagans	Mudbank Ambersnail	High	G3	NA	Proposed Watchlist [Assessment Priority]
Succinea pennsylvanica	Penn Ambersnail	High	G1G2	NA	Proposed Watchlist [Assessment Priority]
Vertigo clappi	Cupped Vertigo Snail	Very High	G1G2	NA	RSGCN
Vertigo parvula	Smallmouth Vertigo	Moderate	G3	NA	RSGCN
Webbhelix multilineata	Striped Whitelip	Very High	G5	NA	RSGCN
Ventridens coelaxis	Bidentate Dome	High	G3	NA	Watchlist [Assessment Priority]
Triodopsis rugosa	Buttressed Threetooth	Very High	G1	NA	Watchlist [Assessment Priority]
Paravitrea hera	Spirit Supercoil	Very High	G1	NA	RSGCN
Paravitrea ceres	Sidelong Supercoil	Very High	G1	NA	RSGCN
Paravitrea mira	Funnel Supercoil	High	G1G2	NA	RSGCN
Paravitrea septadens	Brown Supercoil	High	G1	NA	RSGCN
Triodopsis picea	Spruce Knob Threetooth	High	G3	NA	Watchlist [Assessment Priority]
Triodopsis platysayoides	Cheat Threetooth	High	G1	T	RSGCN
Paravitrea pontis	Natural Bridge Supercoil	Moderate	G3	NA	RSGCN
Oxyloma subeffusum	Chesapeake Ambersnail	Moderate	G3	NA	Watchlist [Assessment Priority]
Novisuccinea chittenangoensis	Chittenango Ambersnail	Very High	G1	T	RSGCN
Paravitrea blarina	Shrew Supercoil	Moderate	G3	NA	Watchlist [Assessment Priority]
Pallifera hemphilli	Black Mantleslug	High	G4	NA	Watchlist [Assessment Priority]
Oxyloma retusum	Blunt Ambersnail	High	G5	NA	Watchlist [Assessment Priority]
Megapallifera wetherbyi	Blotchy Mantleslug	Moderate	G2G3	NA	Watchlist [Assessment Priority]
Helicodiscus diadema	Shaggy Coil	Very High	G1	NA	RSGCN
Helicodiscus lirellus	Rubble Coil	Very High	G1	NA	RSGCN
Glyphyalinia raderi	Maryland Glyph	High	G2	NA	RSGCN
Helicodiscus triodus	Talus Coil	High	G1	NA	RSGCN
Gastrodonta fonticula	Appalachia Bellytooth	High	G3G4	NA	Watchlist [Assessment Priority]
Glyphyalinia picea	Rust Glyph	Moderate	G3	NA	RSGCN
Stenotrema simile	Bear Creek Slitmouth	High	G2	NA	RSGCN
Polygyriscus virginianus	Virginia Coil	Very High	G1	E	RSGCN
Patera laevior	Smooth Bladetooth	Very High	G4	NA	Watchlist [Assessment Priority]