| Family | Genus | Species |
|---|---|---|
| Haladaptataceae | 3 | 69 |
| Halalkalicoccaceae | 1 | 2 |
| Haloarculaceae | 10 | 588 |
| Halobacteriaceae | 7 | 499 |
| Halococcaceae | 2 | 124 |
| Haloferacaceae | 26 | 1596 |
| Halorubellaceae | 2 | 22 |
| Halorutilaceae | 1 | 1 |
| Natrialbaceae | 26 | 580 |
| Natronoarchaeaceae | 4 | 30 |
| Natronomonadaceae | 7 | 65 |