Cetacea Brisson 1762 see Suborder Cetacea Brisson, 1762
   Neoceti Fordyce & de Muizon, 2001
     Odontoceti Flower, 1867 see Parvorder Odontoceti Flower, 1867
       Physeteroidea Gray, 1821
         [stem] Genus †Zygophyseter Bianucci & Landini, 2006