| Scientific Name | Author | English Name |
|---|---|---|
| Anidolyta duebenii | (Loven, 1846) | |
| Anidolyta spongotheras | (Bertsch, 1980) | Capshell |
| Tylodina americana | Dall, 1890 | Umbrella slug |
| Tylodina corticalis | (Tate, 1889) | Small umbrella shell |
| Tylodina fungina | Gabb, 1865 | Mushroom sidegill |
| Tylodina perversa | (Gmelin, 1791) | Yellow umbrella tylodina |