| Families | Recorded Species in Canada | Unrecorded Species in Canada | Recorded Species in the World | Unrecorded Species in the World |
|---|---|---|---|---|
| Atopomelidae | None | 1 | Unknown | Unknown |
| Chirodiscidae | 11 | 12 | Unknown | Unknown |
| Gastronyssidae | None | 4 | Unknown | Unknown |
| Listrophoridae | 11 | 15 | Unknown | Unknown |
| Myocoptidae | 8 | 4 | Unknown | Unknown |
| Pneumocoptidae | None | 3 | Unknown | Unknown |
| Psoroptidae | 4 | 1 | Unknown | Unknown |
| Rhyncoptidae | None | 2 | Unknown | Unknown |
| Sarcoptidae | 4 | 6 | Unknown | Unknown |