Full reference: A. O. Averianov and A. V. Lopatin. 2011. Phylogeny of Triconodonts and Symmetrodonts and the Origin of Extant Mammals. Doklady Biological Sciences 436:32-35
Parent taxon: Mammalia according to A. O. Averianov and A. V. Lopatin 2011
Sister taxa: Acrotheria, Allotheria, Ameghinichnidae, Ameghinichnus, Anagonia, Anagonia insulata, Anisorhizus, Aquila ferox, Archaeorycteropus patagonicus, Arrhinolemuroidea, Atlasodon, Australosphenida, Bellua, Bondesiidae, Bunotheria, Cimolomidae, Didelphia, Diplodon ampliatus, Dipodiscidae, Dipriodontidae, Ditremata, Eopentapodiscidae, Eotetrapodiscus, Eotheria, Erecta, Erythrotherium, Eutrochodon, Florentinoameghinia, Fruitafossor, Helioseus, Holotheria, Holotheria, Homunculus imago, Hypotheria, Isolophodon aplanatus, Likhoeletherium, Lophiodolodus, Lufengoconodon, Malutitetrapodiscus, Marsupionta, Mesotheria, Microderson, Miotheria, Ovovivipara, Pachydermata, Pachypithecus, Pachypithecus macrognathus, Pansirenia, Phoca aegyptiaca antiqua, Picunia, Plagiocoelus, Pleurodon, Praephoca, Praephoca bendullensis, Prensiculantia, Promammalia, Proplanodus, Proplanodus adnepos, Prostylophorus, Protobradys, Protobradys harmonicus, Ptolemaiida, Sarcobora, Sederipes, Solipedia, Sororyctidae, Subungulata, Sukotyro, Theriamorpha, Tikitherium, Tricorynopus, Trilobodon, Uintatheriamorpha, Volaticotheria, Wanotherium, Yinotheria
Subtaxa: Archaeosymmetrodonta Archaeotriconodonta Paratribosphenida
Ecology: scansorial insectivore