Mammalia - Rodentia - Cricetidae

Parent taxon: Sigmodontinae according to G. D'Elía 2003

Sister taxa: Abrothrix, Bensonomys, Chelemys, Euneomys, Geoxus, Holochilus, Ichthyomyini, Irenomys, Juliomys, Lundomys, Nectomys, Oligoryzomys, Oryzomyalia, Reithrodontomys, Rhipidomys, Scolomys, Sigmodontini, Thomasomys, Wiedomyini

Subtaxa: none

Ecology: ground dwelling herbivore