|
Chao, Chang & Liang |
1962 |
[Lower and Middle Carboniferous Cephalopoda.] [In Chinese].
Handbook of Index Fossils of the Yangtse Area, p.103, 108, 133, pl.55, 57-58, 69.
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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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