†suborder Archimetatheria Szalay 1993 (marsupial)
Parent taxon: Marsupialia according to R. C. Fox and B. G. Naylor 2006
Sister taxa: Adinodon, Ameridelphia, Australidelphia, Bistius, Didelphia, Didelphimorphia, Diprotodonta, Djarthia, Duquettichnus, Gashternia, Groeberiidae, Hatcheritherium, Ideodelphys, Kokopellia, Marsupicarnivora, Nototheriidae, Numbigilgidae, Palangania, Perameloidea, Perrodelphys, Polydolopimorphia, Progarzonia, Vombatoidea, Xenodelphis
Subtaxa: none
Ecology: scansorial omnivore