Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
   Gnathostomata
     Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
       Subclass Elasmobranchii Bonaparte, 1838 - shark-like fishes see Infraclass Elasmobranchii Bonaparte, 1838
         Superorder Euselachii Hay, 1902 see Subclass Euselachii Hay, 1902
           Order Batoidea see Superorder Batoidea
             Suborder Rhinobatoidea see Order Rhinobatiformes Müller & Henle, 1837
               1 Family Rhynchobatidae Bleeker, 1865 - wedgefishes see Subfamily Rhynchobatinae
               2 Family Rhinobatidae Bonaparte, 1835 - guitarfishes