Species of Greatest Conservation Need By Taxon
Mollusc
| Scientific Name | Common Name | RSGCN Concern Level |
|---|---|---|
| Glyphyalinia solida | ||
| Glyphyalinia sp. 1 | ||
| Triodopsis sp. 1 | ||
| Mesomphix sp. 1 | A Button | |
| Tergipes tergipes | A Nudibranch | |
| Elysia catulus | A Nudibranch | |
| Amnicola decisus | A Spire Snail | |
| Anguispira clarki | A Tigersnail | |
| Anodonta implicata | Alewife Floater | |
| Nesovitrea electrina | Amber Glass | |
| Discus catskillensis | Angular Disc | |
| Gastrodonta fonticula | Appalachia Bellytooth | High |
| Theliderma sparsa | Appalachian Monkeyface | Very High |
| Fontigens bottimeri | Appalachian Springsnail | |
| Anguispira mordax | Appalachian Tigersnail | |
| Gastrocopta armifera | Armed Snaggletooth | |
| Lithasia armigera | Armored Rocksnail | |
| Zirfaea crispata | Atlantic Great Piddock | |
| Ensis directus | Atlantic Jackknife Clam | |
| Barnea truncata | Atlantic Mud Piddock | |
| Fusconaia masoni | Atlantic Pigtoe | Very High |
| Elliptio producta | Atlantic Spike | Moderate |
| Spisula solida | Atlantic Surg Clam | |
| Triodopsis juxtidens | Atlantic Threetooth | |
| Triodopsis fradulenta | Baffled Threetooth | |
| Mesodon andrewsae | Balsam Globe | |
| Anguispira kochi | Banded Tigersnail | |
| Gastrocopta corticaria | Bark Snaggletooth | |
| Paravitrea seradens | Barred Supercoil | |
| Argopecten irradians | Bay Scallop | High |
| Stenotrema simile | Bear Creek Slitmouth | High |
| Ventridens coelaxis | Bidentate Dome | High |
| Neohelix dentifera | Big-tooth Whitelip | |
| Stagnicola mighelsi | Bigmouth Pondsnail | |
| Lemiox rimosus | Birdwing Pearlymussel | Very High |
| Zonitoides nitidus | Black Gloss | |
| Pallifera hemphilli | Black Mantleslug | High |
| Discus nigrimontanus | Black Mountain Disc | |
| Ligumia recta | Black Sandshell | |
| Striatura ferrea | Black Striate | |
| Vertigo milium | Blade Vertigo | |
| Megapallifera wetherbyi | Blotchy Mantleslug | Moderate |
| Nesovitrea binneyana | Blue Glass Snail | |
| Mytilus edulis | Blue Mussell | |
| Fontigens orolibas | Blue Ridge Springsnail | |
| Gastrocopta clappi | Bluegrass Snaggletooth | |
| Oxyloma retusum | Blunt Ambersnail | High |
| Marstonia lustrica | Boreal Marstonia | |
| Pleurocera gradata | Bottle Hornsnail | |
| Glyphyalinia praecox | Brilliant Glyph |