the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Chordata (phylum)
Craniata (subphylum)
Vertebrata (no rank)
Gnathostomata (superclass)
Chondrichthyes (class)
Holocephali (superorder)
Chimaeriformes (order)
Callorhynchidae (family)
elephantfishes (common name)
[show inferior taxa]