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Authors |
Year |
Title |
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Liang & Guo |
1982 |
Cephalopoda.
Paleontological Atlas of East China. Volume of Late Paeozoic: 257-307, fig.1-90, pl.103-118; Beijing.
|
|
|
Waterhouse |
1972 |
The evolution, correlation, and paleogeographic significance of the Permian ammonoid family Cyclolobidae.
Lethaia, 5 (3): 251-270, fig.1-6; Oslo.
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|
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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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|
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Zhou, Glenister & Furnish |
1989 |
Two-fold or three-fold - concerning geological time-scale of Permian period.
Acta Paleontologica Sinica, 28 (3): 269-282,fig.1-4, tab.1-4; Beijing.
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