Full reference: J. F. Bonaparte. 1990. New Late Cretaceous mammals from the Los Alamitos Formation, Northern Patagonia. National Geographic Research 6(1):63-93
Parent taxon: Mammalia according to Z. Kielan-Jaworowska et al. 2004
Sister taxa: Allotheria, Ameghinichnidae, Amphidontidae, Atlasodon, Bellua, Cimolomidae, Diplocynodontidae, Dipriodontidae, Ditremata, Docodonta, Eotheria, Erecta, Eutriconodonta, Ferugliotheriidae, Fruitafossor, Gobiconodontidae, Gobiotheriodon, Hakusanodon, Helioseus, Holotheria, Hypotheria, Hypsiprymnopsis, Ilerdoryctes, Jeholodentidae, Juchilestes, Kuehneotheriidae, Likhoeletherium, Lophiodolodus, Lufengoconodon, Malutitetrasauropodiscus, Microderson, Molapopentapodiscus, Monotremata, Morganucodonta, Natantia, Ovovivipara, Pleurodon, Polyprotodonta, Prensiculantia, Promammalia, Prototheria, Sarcobora, Schadipes, Simioidea, Sororyctidae, Subungulata, Thereuodontidae, Theriamorpha, Tikitherium, Tricuspes, Vincelestes, Volaticotheria, Wanotherium, Yinotheria
Subtaxa: Bondesius
Type: Bondesius
Ecology: scansorial insectivore