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1st Author:
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Ruan, Yiping 
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2nd Author:
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3rd Author:
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Year:
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1981a | 
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Title:
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Devonian and earliest Carboniferous Ammonoids from Guangxi and Guizhou. | 
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Reference:
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Mem. Nanjing Inst. Geol. Paleont. Academia Sinica, 15: 1-152, fig.1-102, pl.1-33; Beijing. | 
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Keywords:
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Devon.+Tournais.;S.China,Guang | 
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Link:
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