the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Chordata (phylum)
Craniata (subphylum)
Vertebrata (no rank)
Gnathostomata (superclass)
Sarcopterygii (class)
Tetrapoda (no rank)
Amniota (no rank)
Mammalia (class)
Eutheria (superorder)
Rodentia (order)
Sciurognathi (suborder)
[hide inferior taxa]
Castoridae (family)
Dipodidae (family)
Geomyidae (family)
Heteromyidae (family)
Muroidea (superfamily)
Pedetidae (family)
Sciuridae (family)