the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Chordata (phylum)
Craniata (subphylum)
Vertebrata (no rank)
Gnathostomata (superclass)
Actinopterygii (class)
Neopterygii (no rank)
Teleostei (no rank)
Gymnotiformes (order)
[hide inferior taxa]
Apteronotidae (family)
Electrophoridae (family)
Sternopygidae (family)