[Phylum] Chordata Bateson, 1885 - chordates
Subphylum Craniata auct.
Infraphylum Vertebrata Lamarck, 1801 - vertebrates
Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
Subclass Euselachii Hay, 1902 - sharks, rays, and related fossils
1 Family †Listracanthidae Martill, Del Strother & Gallien, 2014, incertae sedis
2 Order †Protacrodontiformes [monotypic]
3 Infraclass †Hybodonta [monotypic] - hybodonts
4 Infraclass Elasmobranchii Bonaparte, 1838