†suborder Notioprogonia Simpson 1934 (notoungulate)
Parent taxon: Notoungulata according to M. C. McKenna 1975
Sister taxa: Acamana, Albertogaudryidae, Archaeoryctes, Brandmayria, Entelonychia, Hegetotheria, Hegetotheriidae, Homalodotheria, Interatheriidae, Leontiniidae, Mesotheriidae, Perutheriidae, Sparnotheriodontidae, Toxodontia, Toxodontidae, Typotheria, Typotheroidea
Subtaxa: Henricosborniidae, Notostylopidae, Satshatemnus, Seudenius
Ecology: scansorial herbivore