†family Eoastrapostylopidae Soria and Powell 1981 (placental)
Mammalia - Astrapotheria - Eoastrapostylopidae
Full reference: M. F. Soria and J. E. Powell. 1981. Un primitivo Astrapotheria (Mammalia) y la edad de la Formación Río Loro, provincia de Tucumán, República Argentina. Ameghiniana 18(3-4):155-168
Parent taxon: Astrapotheria according to M. F. Soria and J. E. Powell 1981
Sister taxa: Antarctodon, Astrapotheriidae, Blastoconus, Blastoconus robertsoni, Grypolophodon, Grypolophodon morenoi, Grypolophodon tuberculosis, Notorhinus, Notorhinus haroldi, Trigonostylopidae, Entocasmus, Adelotherium, Adrastotherium
Subtaxa: Eoastrapostylops
Ecology: scansorial herbivore
Distribution: found only at Aguas Chiquitas (Paleocene of Argentina)