| Classification | Description | Notes |
| Type 1 | Head displaced anteriorly | |
| Type 2 | Distraction | |
| Type 3 | Head displaced posteriorly |
Reference:
Traynelis VC, Marano GD, Dunker RO, Kaufman HH. Traumatic atlanto-occipital dislocation. Case report. Journal of neurosurgery. 1986;65(6):863-70.