Oxymycterus Waterhouse 1837 (hocicudo)
Mammalia - Rodentia - Cricetidae
Parent taxon: Akodontini according to G. D'Elía 2003
Sister taxa: Akodon, Bibimys, Blarinomys, Brucepattersonius, Deltamys, Juscelinomys, Kunsia, Lenoxus, Necromys, Scapteromys, Thalpomys, Thaptomys
Subtaxa: Oxymycterus akodontius, Oxymycterus nasutus, Oxymycterus paramensis, Oxymycterus rufus
Ecology: semifossorial herbivore