Taxon - Odkazy a literatura
Chen G., Zhang Z., 2007: Restudy of Chinese fossil bovids referred to Protoryx (Bovidae, Artiodactyla). Vertebrata Palasiatica, 45(2)：98-109. [jako Huabeitragus yushensis]
Teilhard de Chardin P., Trassaert M., 1938: Cavicornia of South-Eastern Shansi. Palaeontologia Sinica, New Series C, (6): 1-98. [jako ? Protoryx yushensis]