Chordata Bateson, 1885 - chordates
Count: -
   Class Elasmobranchii Bonaparte, 1838 see Infraclass Elasmobranchii Bonaparte, 1838
  Count: [f†f] 7o;39f;5g; †4o;22f;4g
     Subclass Selachii see Division Selachii
    Count: [f†f] 6o;36f;4g; †4o;19f;4g
       Order Euselachii Hay, 1902 see Subclass Euselachii Hay, 1902
      Count: [f] 16f;3g
         Suborder Galei see Superorder Galeomorphi Compagno, 1973
        Count: [f] 16f;3g
           Series Lamnoidei see Order Lamniformes Berg, 1958
          Count: [f] 5f
             Family Alopiidae Bonaparte, 1835 - thresher sharks
            Count: -