| Species | Name Used |
|---|---|
| Sertularella argentinica El Beshbeeshy, 1991 | Sertularella argentinica (p. ) |
| Sertularella fuegonensis El Beshbeeshy, 2011 | Sertularella fuegonensis (p. ) |
| Sertularella gayi (Lamouroux, 1821) | Sertularella gayi (p. ) |
| Sertularella jorgensis El Beshbeeshy, 2011 | Sertularella jorgensis (p. ) |
| Sertularella polyzonias (Linnaeus, 1758) | Sertularella polyzonias (p. ) |
| Sertularella robusta Coughtrey, 1876 | Sertularella robusta (p. ) |
| Symplectoscyphus filiformis (Allman, 1888) | Symplectoscyphus filiformis (p. ) |
| Symplectoscyphus magellanicus (Marktanner-Turneretscher, 1890) | Symplectoscyphus magellanicus (p. ) |
| Symplectoscyphus subdichotomus (Kirchenpauer, 1884) | Symplectoscyphus subdichotomus (p. ) |
| Synthecium protectum Jäderholm, 1903 | Synthecium robustum (p. ) |