Phylum Chordata Bateson, 1885 - chordates
Count: -
   Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
  Count: -
     Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
    Count: -
       Order Carcharhiniformes Compagno, 1973 - ground sharks
      Count: -
         1 Family Scyliorhinidae Gill, 1862 - catsharks
        Count: [*] 3g10s
         2 Family Pseudotriakidae Gill, 1893 - false catsharks
        Count: [*] 1g1s
         3 Family Leptochariidae Gray, 1851 - barbeled houndsharks
        Count: [*] 1g1s
         4 Family Triakidae Gray, 1851 - houndsharks
        Count: [*] 2g4s
         5 Family Hemigaleidae Hasse, 1878 - weasel sharks
        Count: [*] 1g1s
         6 Family Carcharhinidae Jordan & Evermann, 1896 - requiem sharks
        Count: [*] 5g16s
         7 Family Sphyrnidae Bonaparte, 1840 - hammerhead sharks
        Count: [*] 1g4s