†suborder Diprotodonta (marsupial)
Parent taxon: Marsupialia according to M. C. McKenna and S. K. Bell 1997
Sister taxa: Adinodon, Ameridelphia, Archimetatheria, Australidelphia, Bistius, Didelphia, Didelphimorphia, Djarthia, Duquettichnus, Gashternia, Groeberiidae, Hatcheritherium, Ideodelphys, Kokopellia, Marsupicarnivora, Nototheriidae, Numbigilgidae, Palangania, Perameloidea, Perrodelphys, Polydolopimorphia, Progarzonia, Vombatoidea, Xenodelphis
Subtaxa: Petauroidea, Thylacoleoidea
Ecology: scansorial omnivore