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Share your observations of plants or non-game animals with the Natural Heritage Inventory.
Help care for rare plants and animals by ordering an Endangered Resources plate.
- Contact information
- For information on Wisconsin's rare animals, contact:
- Rich Staffen
Conservation Biologist
608-266-4340
Wisconsin's rare aquatic and terrestrial snails
Aquatic and terrestrial snails on Wisconsin's Natural Heritage Working List – last revised May 2016. Life history, where they are found in the state, photos and management information is available for many of these species. Please consider sharing your observations [exit DNR] with the Wisconsin Natural Heritage Inventory
| Scientific Name | Common Name | Global Rank |
State Rank |
Federal Status |
WI Status |
WWAP | Mapped in NHI |
|---|---|---|---|---|---|---|---|
| Stagnicola caperata | Wrinkled Marshsnail | G5 | SU | r-SIN | N | ||
| Gastrocopta procera | Wing Snaggletooth | G5 | S3 | THR | SGCN | Y | |
| Vallonia parvula | Trumpet Vallonia | G4 | S2 | SC/N | SGCN | Y | |
| Vitrina angelicae | Transparent Vitrine Snail | G5 | S1 | SC/N | SGCN | Y | |
| Acella haldemani | Spindle Lymnaea | G3 | SU | r-SIN | N | ||
| Helicodiscus singleyanus | Smooth Coil | G5 | S2 | SC/N | SGCN | Y | |
| Vertigo morsei | Six-whorl Vertigo | G3 | S1 | SC/N | SGCN | Y | |
| Glyphyalinia rhoadsi | Sculpted Glyph | G5 | S2 | SC/N | SGCN | Y | |
| Somatogyrus depressus | Sandbar Pebblesnail | G2 | SU | r-SIN | N | ||
| Striatura exigua | Ribbed Striate | G5 | S3 | SC/N | SGCN | Y | |
| Pseudosuccinea columella | Mimic Lymnaea | G5 | SU | r-SIN | N | ||
| Bulimnaea megasoma | Mammoth Lymnaea | G4G5 | SU | r-SIN | N | ||
| Aplexa elongata | Lance Aplexa | G5 | SU | r-SIN | N | ||
| Vertigo hubrichti | Hubricht's Vertigo | G3Q | S1 | END | SGCN | Y | |
| Valvata winnebagoensis | Flanged Valvata | G2? | SU | r-SIN | N | ||
| Strobilops affinis | Eightfold Pinecone | G4 | S3 | m-SIN | N | ||
| Planogyra asteriscus | Eastern Flat-whorl | G4G5 | S1 | SC/N | SGCN | Y | |
| Zonitoides limatulus | Dull Gloss | G4G5 | S1S2 | SC/N | SGCN | Y | |
| Planorbella truncata | Druid Rams-horn | G3G4 | SU | r-SIN | N | ||
| Discus patulus | Domed Disc | G5 | SU | r-SIN | N | ||
| Paravitrea multidentata | Dentate Supercoil | G5 | S2S3 | SC/N | SGCN | Y | |
| Vertigo nylanderi | Deep-throated Vertigo | G3G4 | S1S2 | SC/N | SGCN | Y | |
| Vertigo modesta | Cross Vertigo | G5 | S1 | SC/N | SGCN | Y | |
| Hendersonia occulta | Cherrystone Drop | G4 | S2S3 | THR | SGCN | Y | |
| Philomycus carolinianus | Carolina Mantleslug | G5 | SU | r-SIN | N | ||
| Strobilops aeneus | Bronze Pinecone | G5 | S1 | SC/N | SGCN | Y | |
| Allogona profunda | Broad-banded Forestsnail | G5 | S2 | SC/N | SGCN | Y | |
| Guppya sterkii | Brilliant Granule | G5 | S2S3 | SC/N | SGCN | Y | |
| Glyphyalinia wheatleyi | Bright Glyph | G5 | S1 | SC/N | SGCN | Y | |
| Zoogenetes harpa | Boreal Top | G5 | S1 | SC/N | SGCN | Y | |
| Striatura ferrea | Black Striate | G5 | S2 | SC/N | SGCN | Y | |
| Cochlicopa morseana | Appalachian Pillar | G5 | S2 | SC/N | SGCN | Y |
Rank and status: To learn more about species rank and status, see the working list key. WWAP: (Wisconsin Wildlife Action Plan): SGCN (Species of Greatest Conservation Need) and monitoring and ranking SIN (Species with Information Needs). Mapped in NHI: (Natural Heritage Inventory): Y = Observations of these species are mapped into the NHI database.
