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Mussels and clams 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 |
|---|---|---|---|---|---|---|---|
| Alasmidonta marginata | Elktoe | G4 | S3 | SC/P | SGCN | Y | |
| Alasmidonta viridis | Slippershell Mussel | G4G5 | S2 | THR | SGCN | Y | |
| Anodonta suborbiculata | Flat Floater | G5 | S2S3 | SC/P | SGCN | Y | |
| Arcidens confragosus | Rock Pocketbook | G4 | S1S2 | THR | SGCN | Y | |
| Cumberlandia monodonta | Spectaclecase | G3 | S1 | LE | END | SGCN | Y |
| Cyclonaias tuberculata | Purple Wartyback | G5 | S2 | END | SGCN | Y | |
| Ellipsaria lineolata | Butterfly | G4G5 | S2 | END | SGCN | Y | |
| Elliptio complanata | Eastern Elliptio | G5 | S2S3 | SC/P | SGCN | Y | |
| Elliptio crassidens | Elephant Ear | G5 | S1 | END | SGCN | Y | |
| Epioblasma triquetra | Snuffbox | G3 | S1 | LE | END | SGCN | Y |
| Fusconaia ebena | Ebonyshell | G4G5 | S1 | END | SGCN | Y | |
| Lampsilis higginsii | Higgins Eye | G1G2 | S1 | LE | END | SGCN | Y |
| Lampsilis teres | Yellow & Slough Sandshells | G5 | S1 | END | SGCN | Y | |
| Ligumia nasuta | Eastern Pondmussel | G4 | SU | r-SIN | N | ||
| Megalonaias nervosa | Washboard | G5 | S3 | SC/P | SGCN | Y | |
| Plethobasus cyphyus | Sheepnose | G3 | S1 | LE | END | SGCN | Y |
| Pyganodon lacustris | Lake Floater | GU | SU | r-SIN | N | ||
| Quadrula fragosa | Winged Mapleleaf | G1 | S1 | LE | END | SGCN | Y |
| Quadrula nodulata | Wartyback | G4 | S1S2 | THR | SGCN | Y | |
| Quadrula quadrula | Mapleleaf | G5 | S3 | SC/P | SGCN | Y | |
| Simpsonaias ambigua | Salamander Mussel | G3 | S2 | SOC | THR | SGCN | Y |
| Theliderma metanevra | Monkeyface | G4 | S2 | THR | SGCN | Y | |
| Tritogonia verrucosa | Buckhorn | G4G5 | S2 | THR | SGCN | Y | |
| Truncilla donaciformis | Fawnsfoot | G5 | S1S2 | THR | SGCN | Y | |
| Venustaconcha ellipsiformis | Ellipse | G4 | S3 | THR | SGCN | Y | |
| Villosa iris | Rainbow Shell | G5 | S1 | END | 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.