†suborder Polydolopimorphia Archer 1984 (metatherian)
Parent taxon: Marsupialiformes according to R. M. D. Beck 2017
See also Beck et al. 2008, Case et al. 2004, Goin et al. 2010, Goin et al. 2020 and Oliveira and Goin 2011
Sister taxa: Adelodelphys, Alphadontidae, Anchistodelphys, Arcantiodelphys, Archimetatheria, Asiatherium, Bistius, Dakotadens, Iugomortiferum, Kokopellia, Marsupialia, Pediomyoidea, Protalphadon, Sinbadelphys, Sparassodonta, Stagodontidae, Xenocynus
Subtaxa: Alfredocarlinia Apeirodon Bobbschaefferia Bonapartheriidae Bonapartheriiformes Chulpasiinae Cocatherium Gashterniidae Glasbiidae Hatcheriformes Polydolopidae Polydolopiformes Polydolopoidea Prepidolopidae Prepidolops Pujatodon Roberthoffstetteria Wamradolops
Ecology: scansorial omnivore