[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 Dalatiidae Gray, 1851 - kitefin sharks
           Genus Etmopterus Rafinesque, 1810 - lanternsharks
             1 Etmopterus princeps Collett, 1904 - great lanternshark
             2 Etmopterus pusillus (Lowe, 1839) - slender lanternshark
             3 Etmopterus spinax (Linnaeus, 1758) - velvet belly