Species list for Titiotus
| Taxon | Author | Action | Last updated |
|---|---|---|---|
| 1. Titiotus californicus * | Simon, 1897 | Catalog | - - |
| 2. Titiotus costa | Platnick & Ubick, 2008 | Catalog | - - |
| 3. Titiotus flavescens | (Chamberlin & Ivie, 1941) | Catalog | - - |
| 4. Titiotus fresno | Platnick & Ubick, 2008 | Catalog | - - |
| 5. Titiotus gertschi | Platnick & Ubick, 2008 | Catalog | - - |
| 6. Titiotus hansi | (Schenkel, 1950) | Catalog | 2023-12-01 |
| 7. Titiotus heberti | Platnick & Ubick, 2008 | Catalog | - - |
| 8. Titiotus humboldt | Platnick & Ubick, 2008 | Catalog | - - |
| 9. Titiotus icenoglei | Platnick & Ubick, 2008 | Catalog | - - |
| 10. Titiotus madera | Platnick & Ubick, 2008 | Catalog | - - |
| 11. Titiotus marin | Platnick & Ubick, 2008 | Catalog | - - |
| 12. Titiotus roadsend | Platnick & Ubick, 2008 | Catalog | - - |
| 13. Titiotus shantzi | Platnick & Ubick, 2008 | Catalog | - - |
| 14. Titiotus shasta | Platnick & Ubick, 2008 | Catalog | - - |
| 15. Titiotus tahoe | Platnick & Ubick, 2008 | Catalog | - - |
| 16. Titiotus tulare | Platnick & Ubick, 2008 | Catalog | - - |