Tribe Wiedomyini (mouse)
Mammalia - Rodentia - Cricetidae
Parent taxon: Sigmodontinae according to G. D'Elía 2003
Sister taxa: Abrothrix, Chelemys, Cordimus, Delomys, Euneomys, Geoxus, Handleyomys, Holochilus, Honeymys, Ichthyomyini, Ichthyurodon, Irenomys, Juliomys, Lundomys, Melanomys, Microryzomys, Miotomodon, Nectomys, Noronhomys, Oligoryzomys, Oryzomyalia, Panchomys, Phyllotini, Pseudoryzomys, Rhipidomys, Scolomys, Thomasomys, Wilfredomys
Ecology: ground dwelling herbivore
Distribution:
• Pliocene of Argentina (3 collections)
Total: 3 collections each including a single occurrence