the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Chordata (phylum)
Craniata (subphylum)
Vertebrata (no rank)
Gnathostomata (superclass)
Sarcopterygii (class)
Tetrapoda (no rank)
Amphibia (class)
Caudata (order)
Hynobiidae (family)
Hynobius (genus)
Hynobius nigrescens (species)
[hide inferior taxa]