The presence of Dicynodontia in Sinkiang was first made manifest by the beautiful skull described in the same number of the Bulletin, (see above 563) as Dicynodon sinkianensis sp. nov. Recently, a second skull also collected by
[8]Zhao Fenghua,Ren Deyi,Peng Suping,Wang Yunquan,Zhang Junying,Ding Zhenhua,Cong Zhiyuan.THE MODES OF OCCURRENCE OF ARSENIC IN COAL[J].Advances in Earth Sciences,2003,18(2):214-220.