| Species | Name Used |
|---|---|
| Spongiobranchaea australis d'Orbigny, 1834 | Spongiobranchaea australis (p. ) |
| Spongiobranchaea intermedia Pruvot-Fol, 1926 | Spongiobranchaea intermedia (p. ) |
| Styliola subula (Quoy & Gaimard, 1827) | Styliola subula (p. ) |
| Thalassopterus zancleus Kwietniewski, 1910 | Thalassopterus zancleus (p. ) |
| Thielea helicoides (Jeffreys, 1877) | Thielea helicoides (p. ) |
| Thliptodon antarcticus Meisenheimer, 1906 | Thliptodon antarcticus (p. ) |
| Thliptodon diaphanus (Meisenheimer, 1903) | Thliptodon diaphanus (p. ) |
| Thliptodon gegenbauri Boas, 1886 | Thliptodon gegenbauri (p. ) |
| Unela nahantensis Doe, 1974 | Unela nahantensis (p. ) |
| Unela remanei Marcus, 1953 | Unela remanei (p. ) |