the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Chordata (phylum)
Craniata (subphylum)
Vertebrata (no rank)
Gnathostomata (superclass)
Chondrichthyes (class)
Elasmobranchii (superorder)
Squaliformes (order)
Squalidae (family)
Squalus (genus)
Squalus acanthias (species)
spiny dogfish (primary common name)
[hide inferior taxa]