| Sitticus Simon, 1901 |
| Sitticus cautus (Peckham & Peckham, 1888) |
| Sitticus palpalis (F.O.P.-Cambridge, 1901) |
| Sitticus peninsulanus (Banks, 1898) |
| Sympolymnia Perger & Rubio , 2020 |
| Sympolymnia edwardsi (Cutler, 1985) |
| Synageles Simon, 1876 |
| Synageles mexicanus Cutler, 1988 |
| Synageles noxiosus (Hentz, 1850) |
| Synemosyna Hentz, 1846 |
| Synemosyna americana (G. W. Peckham & E. G. Peckham, 1885) |
| Synemosyna decipiens (O. Pickard-Cambridge, 1896) |
| Synemosyna edwardsi Cutler, 1985 |
| Synemosyna maddisoni Cutler, 1985 |
| Tarkas Edwards , 2015 |
| Tarkas maculatipes (F. O. Pickard-Cambridge, 1901) |
| Terralonus Maddison, 1996 |
| Terralonus californicus (G. W. Peckham & E. G. Peckham, 1888) |
| Thiodina Simon, 1900 |
| Thiodina hespera Richman & Vetter, 2004 |