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 parryii (species)
Arctic ground squirrel (primary common name)
Citellus parryii (alias)
[show inferior taxa]