[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: 3k;35p;34c;158o;1359f;4704g;2825s;11ss
   Pisces
  Count: [*] 3c;45o;226f;705g;1351s
     Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
    Count: [*] 10o;30f;66g;145s
       Order Carcharhiniformes Compagno, 1973 - ground sharks
      Count: [*] 7f;14g;37s
         Family Sphyrnidae Bonaparte, 1840 - hammerhead sharks
        Count: [*] 1g;4s
           Genus Sphyrna Rafinesque, 1810
          Count: [*] 4s
             1 Sphyrna lewini (Griffith & Smith, 1834) - scalloped hammerhead
            Count: -
             2 Sphyrna mokarran (Rüppell, 1837) - great hammerhead
            Count: -
             3 Sphyrna tudes (Valenciennes, 1822) - great hammerhead
            Count: -
             4 Sphyrna zygaena (C. Linnaeus, 1758) - common hammerhead
            Count: -