Wang 1976. Jurassic and Cretaceous ammonoids from Mount Jolmo Lungma region. Zhumulangmafeng diqu kexue kaocha baogao 1966-1968. [A report of scientific expedition in the Mount Jolmo Lungma [Everest] region.] Palaeontology. Fasc. 3., Science Press, Peking, 1976: 211-214. Chapter pagination: 503-545