After McKenna & Bell, 1997, with Recent species from Nowak, 1991
<==o Bovinae (nautaeläimet) |?- †Gona |?- Pseudoryx nghetinhensis (Vu Quang Ox) |-- Boselaphini ()? `--+-- Bovini (naudat) `--+-- †Udabnocerus [Udabnocerini] `-- Tragelaphini Lydekker, 1914 (nyalat, njalat)
Reference(s):
- Carroll, R. L., 1988: Vertebrate paleontology and evolution.
 –W. H. Freeman and company, New York, 1988, 698.
- Carroll, R. L., 1988: Appendix. 594-648.
 in Carroll, R. L., 1988: Vertebrate paleontology and evolution.
 –W. H. Freeman and company, New York, 1988, 698.
- McKenna, M. C. & Bell, S. K., (eds.) 1997: Classification of mammals – above the species level.
 –Columbia University Press, New York, 1997, xii-631
- Nowak, R. M., 1991: Walker's Mammals of the World; Part 1.
 –The Johns Hopkins University Press, Baltimore and London, 1991, xlviii-642-lxiii
- Nowak, R. M., 1991: Walker's mammals of the World; Part 2.
 –The Johns Hopkins University Press, Baltimore and London, 1991, xii-643-1629
 
