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)
[show inferior taxa]