the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Chordata (phylum)
Craniata (subphylum)
Vertebrata (no rank)
Gnathostomata (superclass)
Chondrichthyes (class)
Elasmobranchii (superorder)
Torpediniformes (order)
electric rays (common name)
[hide inferior taxa]
Narcinidae (family)
Narkidae (family)
Torpedinidae (family)