†subfamily Erethizontinae Thomas 1897 (porcupine)
Mammalia - Rodentia - Erethizontidae
Parent taxon: Erethizontidae according to A. E. Wood and B. Patterson 1959
See also Hay 1902
Sister taxa: Branisamyopsis, Cholamys, Coendou, Eopululo, Erethizon, Hyposteiromys, Hypsosteiromys, Microsteiromys, Palaeosteiromys, Paradoxomys, Parasteiromys, Protosteiromys
Subtaxa: none
Ecology: arboreal herbivore
Distribution: there are no occurrences of Erethizontinae in the database