Phylum Chordata Bateson, 1885 - chordates
  
 Subphylum Vertebrata Cuvier, 1812 - vertebrates
 see Infraphylum Vertebrata Lamarck, 1801
    
 Class Mammalia Linnaeus, 1758 - mammals
      
 Order Cetacea Brisson, 1762 - whales, dolphins, and porpoises
 see Infraorder Cetacea Brisson, 1762
        
 Suborder Odontoceti Flower, 1867 - toothed whales
 see Parvorder Odontoceti Flower, 1867
          
 Family Delphinidae Gray, 1821 - oceanic dolphins
            
 Genus Tursiops Gervais, 1855 - bottle-nosed dolphins
              
 Tursiops truncatus (Montagu, 1821) - bottle-nosed dolphin