Mammalia - Rodentia - Cephalomyidae
Full reference: F. Ameghino. 1897. Mammiféres crétacés de l’Argentine (Deuxième contribution à la connaissance de la fauna mammalogique de couches à Pyrotherium) [Cretaceous mammals of Argentina (second contribution to the knowledge of the mammalian fauna of the Pyrotherium Beds)]. Boletin Instituto Geografico Argentino 18(4–9):406-521
Parent taxon: Caviomorpha according to F. Busker and M. T. Dozo 2018
See also Ameghino 1897, Kramarz 2001, Vucetich et al. 2015 and Wood and Patterson 1959
Sister taxa: Aenigmys, Balsayacuy, Cachiyacuy, Canaanimys, Cavioidea, Chachapoyamys, Chambiramys, Chinchillidae, Chinchilloidea, Erethizontoidea, Luribayomys, Luribayomys masticator, Octodontoidea, Palmiramys, Palmiramys waltheri, Pozomys, Tacheria, Tarapotomys, Vucetichimys, Zetamyidae
Subtaxa: Cephalomyopsis Cephalomys Litodontomys
Ecology: ground dwelling herbivore
Distribution: