Order Artiodactyla Author Wilson, Don E. Author Reeder, DeeAnn text 2005 The Johns Hopkins University Press Baltimore Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1 637 722 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 Taurotragus Wagner 1855 Taurotragus Wagner 1855 , in: Schreber, Die Saugethiere, Suppl., Vol. 5: 438 . Type Species: Antilope oreas Pallas 1777 Species and subspecies: 2 species with 5 subspecies: Species Taurotragus derbianus (Gray 1847) Subspecies Taurotragus derbianus subsp. derbianus Gray 1847 Subspecies Taurotragus derbianus subsp. gigas Heuglin 1863 Species Taurotragus oryx (Pallas 1766) Subspecies Taurotragus oryx subsp. oryx Pallas 1766 Subspecies Taurotragus oryx subsp. livingstonei P. L. Sclater 1864 Subspecies Taurotragus oryx subsp. pattersonianus Lydekker 1906 Discussion: This genus has been included in Tragelaphus ; see Van Gelder (1977 a , b ) and Ansell (1978:53) . Generic rank was restored by Smithers (1983:679) , Meester et al. (1986:216) , and Ansell and Dowsett (1988:87) .