Zhu, X. -F. (1987). 青海乌兰石炭一二叠纪的(䗴)类动物群 - Carboniferous and Permian fufulinids [fusulinids] from Ulan County, Qinghai Province. 中国地质科学院地质研究所文集 - Bulletin of the Institute of Geology Chinese Academy of Geological Sciences. 16: 1-49.
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Zhu, X. -F.
1987
青海乌兰石炭一二叠纪的(䗴)类动物群 - Carboniferous and Permian fufulinids [fusulinids] from Ulan County, Qinghai Province
中国地质科学院地质研究所文集 - Bulletin of the Institute of Geology Chinese Academy of Geological Sciences