** Bos gaurus (gaur or Indian bison)
** Bos frontalis (gayal)
** Bos javanicus (banteng)
*** B. j. domesticus (Bali cattle)
** +Bos palaesondaicus
** +Bos sauveli (kouprey) (likely extinct, last seen 1969)

* Subgenus Poephagus
** Bos mutus