Order: Rodentia print
- Cellular forms
- Domain: Eukaryota
- Kingdom: Animalia
- Subkingdom: Metazoa
- Phyllum: Chordata
- Subphyllum: Craniata or Vertebrata
- Class: Mammalia
- Order: Rodentia
- Family: Sciuridae
- Family: Hystricidae - Old World porcupines
- Family: Myocastoridae
- Family: Gliridae
- Family: Dipodidae
- Family: Calomyscidae
- Family: Cricetidae
- Family: Muridae