Classification
Animalia [kingdom]Chordata [phylum]
Vertebrata [subphylum]
Gnathostomata [superclass]
Chondrichthyes [class]
Elasmobranchii [subclass]
Squalomorphii [superorder]
Squaliformes [order]
Squalidae [family]
Somniosus [genus]
Somniosus microcephalus [species]