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
                 1? Superfamily Platanistoidea Gray, 1846
                 2.1.1.1? Family †Eurhinodelphinidae Abel, 1901
                 2.1.1.2? Family †Eoplatanistidae Muizon, 1988 [monotypic]
                 2.1.2 Family Ziphiidae Gray, 1850 - beaked whales
                 2.2 Delphinida de Muizon, 1984