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†family Cephalomyidae Ameghino 1897 (caviomorph)

Osteichthyes - Rodentia

PaleoDB taxon number: 146410

Full reference: F. Ameghino. 1897. Mamiferos Cretaceos de la Argentina. Segunda contribucion al conocimiento de la fauna mastologica de las capas con restos de Pyrotherium. Boletin Instituto Geografico Argentino 18:406-521

Parent taxon: Caviomorpha according to A. G. Kramarz 2001

Sister taxa: Aenigmys, Cachiyacuy, Canaanimys, Cavioidea, Chinchilloidea, Erethizontidae, Erethizontoidea, Leucokephalos, Llitun, Luribayomys, Luribayomys masticator, Octodontoidea, Palmiramys, Palmiramys waltheri, Tacheria

Subtaxa: Banderomys, Cephalomyopsis, Soriamys

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Ecology: ground dwelling herbivore