[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 Squaliformes Compagno, 1973 - dogfish sharks
      Count: [*] 4f;13g;27s
         Family Centrophoridae Bleeker, 1859 - gulper sharks
        Count: [*] 2g;7s
           Genus Deania Jordan & Snyder, 1902 - longnose dogfish
          Count: [*] 3s
             Deania profundorum (Smith & Radcliffe, 1912) - arrowhead dogfish
            Count: -