Mammalia Linnaeus 1758 [Rowe 1988], nom. cl. inval. see Class Mammalia Linnaeus, 1758
   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
                         1 Genus Delphinus Linnaeus, 1758 - common dolphin, saddleback dolphin
                         2 Genus Lagenodelphis Fraser, 1956 - short-snouted white-belly dolphin, Fraser's dolphin
                         3 Genus Sousa Gray, 1866 - humpback dolphins
                         4 Genus Stenella Gray, 1866 - spinner, spotted, and striped dolphins
                         5 Genus Tursiops Gervais, 1855 - bottle-nosed dolphins
                         6 Genus †Astadelphis Bianucci, 1996
                         7 Genus †Etruridelphis Bianucci, 2009
                         8 Genus †Septidelphis Bianucci, 2013