the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Chordata (phylum)
Craniata (subphylum)
Vertebrata (no rank)
Gnathostomata (superclass)
Chondrichthyes (class)
Elasmobranchii (superorder)
Heterodontiformes (order)
Heterodontidae (family)
Heterodontus (genus)
[hide inferior taxa]
Heterodontus francisci (species)
Heterodontus japonicus (species)
Heterodontus portusjacksoni (species)
Heterodontus sp. (species)