| Syscia augustae (Wheeler, 1902) |
| Syscia chiapaneca Longino & Branstetter, 2021 |
| Syscia disjuncta Longino & Branstetter, 2021 |
| Syscia jennierussae Longino & Branstetter, 2021 |
| Syscia lacandona Longino & Branstetter, 2021 |
| Syscia machaquila Longino & Branstetter, 2021 |
| Syscia madrensis Longino & Branstetter, 2021 |
| Syscia parva Longino & Branstetter, 2021 |
| Syscia persimilis Longino & Branstetter, 2021 |
| Syscia pervagata Longino & Branstetter, 2021 |
| Syscia setosa Longino & Branstetter, 2021 |
| Syscia tolteca (Forel, 1909) |
| Syscia transisthmica Longino & Branstetter, 2021 |
| Syscia valenzuelai Longino & Branstetter, 2021 |
| Sysphincta Roger, 1863 |
| Sysphincta cavernicola Borgmeier, 1937 |
| Sysphincta micrommata Roger, 1863 |
| Sysphincta pergandei Emery, 1895 |
| Sysphingta Roger, 1863 |
| Tapinoma Föerster, 1850 |