[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988], nom. cl. inval. see Clade Tetrapoda Hatschek & Cori 1896 [Laurin 2020]
     Order Cetacea Brisson, 1762 - whales, dolphins, and porpoises see Infraorder Cetacea Brisson, 1762
       Family Ziphiidae Gray, 1850 - beaked whales
         1 Genus Hyperoodon Lacépède, 1804 - bottle-nosed whales
         2 Genus Mesoplodon Gervais, 1850 - beaked whales
         3 Genus Ziphius Cuvier, 1823 - goose-beaked whale