Species list for Simonestus
| Taxon | Author | Action | Last updated |
|---|---|---|---|
| 1. Simonestus occidentalis | (Schenkel, 1953) | Catalog | - - |
| 2. Simonestus pseudobulbulus | (Caporiacco, 1938) | Catalog | - - |
| 3. Simonestus robustus | (Chickering, 1937) | Catalog | - - |
| 4. Simonestus semiluna | (F. O. Pickard-Cambridge, 1899) | Catalog | - - |
| 5. Simonestus separatus | (Schmidt, 1971) | Catalog | - - |
| 6. Simonestus validus * | (Simon, 1898) | Catalog | - - |