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†Valvimorpha tricornis Yan Yuzhong 1985
urn:lsid:organismnames.com:name:554189
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156
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†Valvimorpha tricornis Yan Yuzhong 1985
Yan Yuzhong 1985. Preliminary research on microflora from Chuanlinggou Formation of Changcheng system in Jixian County. Bulletin of the Tianjin Institute of Geology and Mineral Resources, No. 12 1985: 137-168