| Family | Genus | Species |
|---|---|---|
| Ananteridae | 1 | 6 |
| Bothriuridae | 7 | 69 |
| Buthidae | 57 | 557 |
| Caraboctonidae | 4 | 12 |
| Chactidae | 6 | 12 |
| Chaerilidae | 1 | 13 |
| Diplocentridae | 9 | 42 |
| Euscorpiidae | 11 | 147 |
| Hemiscorpiidae | 8 | 29 |
| Hormuridae | 2 | 2 |
| Iuridae | 7 | 12 |
| Pseudochactidae | 4 | 5 |
| Scorpionidae | 11 | 75 |
| Superstitionidae | 2 | 2 |
| Vaejovidae | 22 | 146 |