Parent taxon: Eutheria according to D. L. Rook and J. P. Hunter 2011
See also Carroll 1988, Cope 1889, Gregory 1910, Hay 1902, Lopatin 2006, Lucas et al. 1998, McKenna 1975 and McKenna and Bell 1997
Sister taxa: Acristatherium, Adapisoriculidae, Ambolestes, Asioryctidae, Asioryctitheria, Bibymalagasia, Cimolesta, Didymoconida, Durlstodon, Durlstotherium, Endotherium, Eomaia, Heptaconodon, Heptaconodon dubium, Holoclemensiidae, Horolodectidae, Hovurlestes, Indoclemensia, Insectivora, Juramaia, Kennalestoidea, Leptictida, Meridiungulata, Mingotheriidae, Montanalestes, Mutica, Nanocuridae, Notopterna, Palaeorycteropus, Paranyctoides, Paraxonia, Placentalia, Prokennalestes, Proteutheria, Prozalambdalestes, Quadripedes, Sahnitherium, Sazlestes, Sinodelphys, Tamirtheria, Therictoidea, Trogontia, Zalambdalestoidea, Zhelestidae
Subtaxa: Conoryctidae Onychodectes Phanotherus Stylinodontidae Stylinodontinae
Ecology: ground dwelling omnivore