†order Astrapotheria Lydekker 1894 (placental mammal)
Full reference: R. Lydekker. 1894. Contributions to a knowledge of the Fossil Vertebrates of Argentina. III - A study of extinct argentine ungulates. Anales del Museo de La Plata. Paleontología Argentina 2(3):1-86
Parent taxon: Meridiungulata according to M. C. McKenna 1975
Sister taxa: Litopterna, Notoungulata, Pyrotheria, Trigonostylopoidea, Xenungulata
Subtaxa: Astrapotheriidae, Eoastrapostylopidae, Trigonostylopidae
Ecology: scansorial herbivore