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)
Sciuridae (family)
Spermophilus (genus)
Spermophilus townsendii (species)
Townsend's ground squirrel (primary common name)
[hide inferior taxa]