Erethizon Cuvier 1822 (North American porcupine)
Osteichthyes - Rodentia - Erethizontidae
PaleoDB taxon number: 42139
Alternative spelling: Erythizon
Parent taxon: Erethizontidae according to R. C. Hulbert 1997
Sister taxa: Branisamyopsis, Cholamys, Coendou, Eopululo, Erethizontinae, Hyposteiromys, Hypsosteiromys, Microsteiromys, Neosteiromys, Palaeosteiromys, Paradoxomys, Parasteiromys, Protosteiromys, Sphiggurus
Subtaxa: Erethizon bathygnathum, Erethizon cascoensis, Erethizon dorsatum, Erethizon kleini, Erethizon poyeri
Ecology: arboreal insectivore