Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Diprotodontia Owen, 1866
       Suborder Vombatiformes Burnett, 1830
         Family Vombatidae Burnett, 1830 - wombats
           Genus Lasiorhinus Gray, 1863 - hairy-nosed wombats
             Lasiorhinus krefftii (Owen, 1873) - northern hairy-nosed wombat
               1 †[Lasiorhinus krefftii krefftii]ᵀ (Owen, 1873)
               2 ?‡Lasiorhinus krefftii gillespiei (DeVis, 1900)
               3 ?Lasiorhinus krefftii barnardi Longman, 1939