| Species | Name Used |
|---|---|
| Styela plicata (Lesueur, 1823) | Styela plicata (p. 2000-2005 ) |
| Sycozoa arborenscens Hartmeyer, 1912 | Sycozoa arborenscens (p. 2000-2003 ) |
| Symplegma viride Herdman, 1886 | Symplegma viride (p. 2000-2005 ) |
| Synoicum atlanticus Millar, 1968 | Synoicum atlanticus (p. 2000-2001 ) |
| Synoicum australe Millar, 1962 | Synoicum australe (p. 2000-2001 ) |
| Synoicum capense Millar, 1962 | Synoicum capense (p. 2000-2001 ) |
| Trididemnum cerebriforme Hartmeyer, 1913 | Trididemnum cerebriforme (p. 2000-2004 ) |