[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Pisces
     Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
       Order Squaliformes Compagno, 1973 - dogfish sharks
         Family Centrophoridae Bleeker, 1859 - gulper sharks
           1 Genus Centrophorus Müller & Henle, 1837 - gulper sharks
           2 Genus Deania Jordan & Snyder, 1902 - longnose dogfish