the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Chordata (phylum)
Craniata (subphylum)
Vertebrata (no rank)
Gnathostomata (superclass)
Sarcopterygii (class)
Tetrapoda (no rank)
Amphibia (class)
Anura (order)
Ranidae (family)
Rana (genus)
Rana catesbeiana (species)
bullfrog (primary common name)
[show inferior taxa]