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)
Plethodontidae (family)
Plethodon (genus)
Plethodon fourchensis (species)
[hide inferior taxa]