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Xu & Wei |
1977 |
Fossil Atlas of South-Central China, part 2, Cephalopoda. [In Chinese.]
Yichang Institute of Geology and Mineral Resources 1977: p.537-582, pl.204-218, (Geological Publishing House).
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Zhao, Liang & Zheng |
1978 |
Late Permian cephalopods of South China.
Palaeontologica Sinica, 154, N.S.B,12: 1-194, fig.1-105, pl.1-34; Beijing.
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