†family Decastidae Ameghino 1894 (marsupial)
PaleoDB taxon number: 244536
Full reference: F. Ameghino. 1894. Enumeration synoptique des especes de mammifères fossiles des formations éocènes de Patagonie. Boletin de la Academia Nacional de Ciencias en Cordoba (Republica Argentina) 13:259-452
Parent taxon: Paucituberculata according to F. Ameghino 1894
Sister taxa: Bardalestes, Caenolestoidea, Caroloameghinioidea, Evolestes, Palaeothentoidea, Riolestes
Subtaxa: Dipilus, Metriodromus
Ecology: scansorial omnivore