Necromys Amgehino 1889 (mouse)
Mammalia - Rodentia - Cricetidae
Parent taxon: Akodontini according to G. D'Elía 2003
Sister taxa: Akodon, Bibimys, Blarinomys, Brucepattersonius, Deltamys, Juscelinomys, Kunsia, Lenoxus, Oxymycterus, Scapteromys, Thalpomys, Thaptomys
Subtaxa: Necromys lactens
Ecology: ground dwelling herbivore