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
                   Subfamily †Kentriodontinae Slijper, 1936
                     1 Genus †Delphinodon Leidy, 1869
                     2 Genus †Kentriodon Kellogg, 1927
                     3 Genus †Macrokentriodon Dawson, 1996
                     4 Genus †Rudicetus Bianucci, 2001
                     5 Genus †Tagicetus Lambert, Estevens & Smith, 2005
                     6 ?Genus †Belonodelphis de Muizon, 1988
                     7 ?Genus †Incacetus Colbert, 1944
                     8 ?Genus †Kampholophos Rensberger, 1969