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)
[hide inferior taxa]
Citellus undulatus (species)
Marmota (genus)
Sciurus aestuans (species)
Spermophilus (genus)
Tamias (genus)