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Authors |
Year |
Title |
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Grabau |
1924 |
Stratigraphy of China, Part 1, Paleozoic and Older.
Geological Survey of China, 1-528, pls.1-6, Peking.
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Liang & Gao |
1963 |
[Carboniferous Cephalopoda]. In: [Handbook of Index fossils from Northwest China.] [In Chinese].
Handbook of Index fossils from Northwest China, p.84, 95-96, pl.44, 57-58, Peking (Science Press).
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Ruan & Zhou |
1987 |
Carboniferous cephalopods in Ningxia Hui Autonomous Region. [In Chinese, with Engl. summary].
Namurian Strata and Fossils of Ningxia, China: 55-177, 78 text-figs., 15 pls., Nanjing.
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Yang |
1987 |
Early late Carboniferous ammonoids from Zhongwei, Ningxia Autonomous Region, China. [In Chinese, with English summary].
Geoscience, 1 (2): 157-172, 20 figs., 3 pls.
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Yin |
1935 |
Upper Palaeozoic ammonoids of China.
Palaeontologia Sinica, Ser. B, 11 (4): 1-45, fig.1-10, pl.1-5; Beijing.
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