Mammalia [Linnaeus, 1758]
   Artiodactyla [Owen, 1848]
     Bovidae [Gray, 1821]
       Bovinae [Gray, 1821]
         Bubalus [Smith, 1827]
           1 Bubalus bubalis [(Linnaeus, 1758)]
           2 Bubalus depressicornis [(Smith, 1827)]
           3 ‡Bubalus mephistopheles [Hopwood, 1925]
           4 Bubalus mindorensis [(Heude, 1888)]
           5 Bubalus quarlesi [(Ouwens, 1910)]
           6 Anoa [C.H. Smith, in Griffith et al., 1827]