Taxon - Links and literature
Chen G., Zhang Z., 2007: Restudy of Chinese fossil bovids referred to Protoryx (Bovidae, Artiodactyla). Vertebrata Palasiatica, 45(2)：98-109. [as Macrotragus shansiensis]
Bohlin B., 1935: Cavicornier der Hipparion-fauna Nord-Chinas. Palaeontologia Sinica C 9(4):1–166. [as ? Protoryx shansiensis]