| Superfamily Fionoidea Gray, 1857 |
| Family Eubranchidae Odhner, 1934 |
| Genus Eubranchus Forbes, 1838 |
| Type species Eubranchus tricolor Forbes, 1838, by original designation. |
| Superfamily Fionoidea Gray, 1857 |
| Family Eubranchidae Odhner, 1934 |
| Genus Eubranchus Forbes, 1838 |
| Type species Eubranchus tricolor Forbes, 1838, by original designation. |