[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 Delphinidae Gray, 1821 - oceanic dolphins
        
 01 Genus Delphinus Linnaeus, 1758 - common dolphin, saddleback dolphin
        
 02 Genus Feresa Gray, 1871 - pygmy killer whale
        
 03 Genus Globicephala Lesson, 1828 - pilot whales
        
 04 Genus Grampus Gray, 1828 - Risso's dolphin
        
 05 Genus Lagenodelphis Fraser, 1956 - short-snouted white-belly dolphin, Fraser's dolphin
        
 06 Genus Lagenorhynchus Gray, 1846 - short-beaked dolphins
        
 07 Genus Orcinus Fitzinger, 1860 - killer whale
        
 08 Genus Peponocephala Nishiwaki & Norris, 1966 - many-toothed blackfish, melon-headed whale
        
 09 Genus Pseudorca Reinhardt, 1862 - false killer whale
        
 10 Genus Stenella Gray, 1866 - spinner, spotted, and striped dolphins
        
 11 Genus Steno Gray, 1846 - rough-toothed dolphin
        
 12 Genus Tursiops Gervais, 1855 - bottle-nosed dolphins