PaleoDB taxon number: 197000
Full reference: R. Endo and R. Shikama. 1942. Mesozoic reptilian fauna in the Jehol mountainland, Manchoukuo. Bulletin of the Central National Museum of Manchoukou 3:1-20
Type specimen: CNMM 3735, a skeleton ((now lost); neotype= YFM R002). Its type locality is Tsaotzushan, 21 km southwest of Yizhou, which is in a Barremian/Aptian lacustrine horizon in the Yixian Formation of China.