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Yang & Xiong |
1990 |
Early Late Permian cephalopods from southeastern Laibin, Guangxi.
Acta Palaeontologica Sinica, 29 (2): 193-203, fig.1-10, pl.1-2; Beijing.
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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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