Mammalia Linnaeus 1758 [Rowe 1988], nom. cl. inval.
 see Clade Mammalia Linnaeus 1758 [Rowe 2020]
  
 Cetartiodactyla Montgelard, Catzeflis & Douzery 1997
 see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997
    
 Whippomorpha Waddell, Okada & Hasegawa 1999
 see Suborder Whippomorpha
      
 Cetacea Brisson 1762
 see Suborder Cetacea Brisson, 1762
        
 Pelagiceti Uhen, 2008
          
 Neoceti Fordyce & de Muizon, 2001
            
 Odontoceti Flower, 1867
 see Parvorder Odontoceti Flower, 1867
              
 Synrhina Geisler et al., 2011
                
 Delphinida de Muizon, 1984
                  
 Superfamily Delphinoidea Gray, 1821
                    
 Family Delphinidae Gray, 1821 - oceanic dolphins
                      
 Subfamily Delphininae Gray, 1821
                        
 Genus Stenella Gray, 1866 - spinner, spotted, and striped dolphins