| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Class: | Mammalia |
| Order: | Rodentia |
| Suborder: | Histricomorpha |
| Family: | Erithizontidae |
- Genus
- species – Common Name
- Chaetomys
- subspinosus – Thin-spined Porcupine
- Coendou Coendou
- bicolor, mexicanus, pallidus, prehensilis – Coendou
- Coendou Sphiggurus
- insidiosus, spinosus, vestitus – Coendou
- Echinoprocta
- rufescens – Upper Amazonian Porcupine
- Erithizon
- dorsatum – North American Porcupine
