At least one extinct species belongs to this genus; Syncerus acoelotus.[2][3] The extinct giant African buffalo (Syncerus antiquus) is also included in this genus by many authorities.[4]
^Gentry, A.W.; Gentry, A. (1978). "Fossil Bovidae (Mammalia) of Olduvai Gorge, Tanzania, Part 1". Bulletin of the British Museum (Natural History) Geology. 29: 289–446.