Phylum Chordata Bateson, 1885 - chordates
   Subphylum Vertebrata Cuvier, 1812 - vertebrates
     Pisces
       Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
         Subclass Elasmobranchii Bonaparte, 1838 - shark-like fishes
           Order Lamniformes Berg, 1958 - mackerel sharks
             Family Alopiidae Bonaparte, 1835 - thresher sharks
             Family Cetorhinidae Gill, 1861 - basking sharks
             Family Lamnidae Bonaparte, 1835 - mackerel sharks
             Family Megachasmidae Taylor, Compagno & Struhsaker, 1983 - megamouth sharks
             Family Odontaspididae Müller & Henle, 1839 - sand tiger sharks