Phylum Chordata Bateson, 1885 - chordates
   Subphylum Vertebrata Cuvier, 1812 - vertebrates
     Superclass Pisces Linnaeus, 1758 - fishes
       Chondrichthyes Huxley, 1880 - cartilaginous fishes
         01 Family Rhincodontidae Müller & Henle, 1841 - whale sharks
         02 Family Stegostomatidae Gill, 1862 - zebra sharks
         03 Family Ginglymostomatidae Gill, 1862 - nurse sharks
         04 Family Orectolobidae Gill, 1896 - wobbegons
         05 Family Hemiscyllidae orth. inval. see Family Hemiscylliidae Gill, 1862
         06 Family Carcharhinidae Jordan & Evermann, 1896 - requiem sharks
         07 Family Sphyrnidae Gill, 1872 - hammerhead sharks
         08 Family Torpedinidae Henle, 1834 - electric rays
         09 Family Rhinobatidae Müller & Henle, 1838 - guitarfishes
         10 Family Dasyatidae Jordan, 1888 - stingrays
         11 Family Myliobatidae Bonaparte, 1835
         12 Family Mobulidae Gill, 1893 see Subfamily Mobulinae (Gill, 1893)