the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Chordata (phylum)
Craniata (subphylum)
Vertebrata (no rank)
Gnathostomata (superclass)
jaw vertebrates (common name)
[hide inferior taxa]
Actinopterygii (class)
Chondrichthyes (class)
Sarcopterygii (class)