| Species | Name Used |
|---|---|
| Symplectoscyphus magellanicus (Marktanner-Turneretscher, 1890) | Symplectoscyphus magellanicus (p. 312 ) |
| Symplectoscyphus subdichotomus (Kirchenpauer, 1884) | Symplectoscyphus subdichotomus (p. 312 ) |
| Turritopsis nutricula Mccrady, 1859 | Turritopsis nutricula (p. 311 ) |