Parent taxon: Muridae according to E. Martín Suárez and P. Mein 1991
Sister taxa: Aethomys, Afrocricetodontinae, Allorattus, Antemus, Anthracomys, Apodemus, Arvicanthis, Bolomys, Castorina, Castromys, Centralomys, Chiropodomys, Colomys, Dasymys, Deomyinae, Echymina, Gerbillinae, Gerbua, Grammomys, Hapalomys, Huaxiamys, Huerzelerimys, Hydromina, Hyomys, Karnimata, Lemniscomys, Mastacomys, Mastomys, Micromys, Mikrotia, Murina, Murinae, Myocricetodontinae, Myotomys, Nesokia, Occitanomys, Ochrotomys, Orientalomys, Papagomys, Pappocricetodontinae, Paraethomys, Parapelomys, Parapodemus, Parotomys, Pelomys, Praomys, Proceromys, Progonomys, Pseudocricetodontinae, Rhabdomys, Rhagapodemus, Rhagomys, Saccostomus, Saidomys, Steatomys, Stephanomys, Thallomys, Valerimys, Zelotomys, Zhungaromys
Subtaxa: Castillomys crusafonti, Castillomys gracilis, Castillomys margaritae, Castillomys rivas
Ecology: ground dwelling herbivore-insectivore