"[Pisces]"
   Class Elasmobranchii Bonaparte, 1838 see Subclass Elasmobranchii Bonaparte, 1838
     Order Squaliformes Compagno, 1973 - dogfish sharks
       1 Family Dalatiidae Gray, 1851 - kitefin sharks
       2 Family Centrophoridae Bleeker, 1859 - gulper sharks
       3 Family Squalidae Blainville, 1816 - dogfish sharks
       4 Family Echinorhinidae Gill, 1862 - bramble sharks