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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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1987 | 
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Title:
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Amonoids from the upper Middle Devonian in Yiwa Ravine of Tewo, West Qinling Mts., China. | 
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Reference:
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In: Late Silurian-Devonian strata and fossils from Luqu-Tewo area of West Qinling Mountains, China.- 219-226, fig.124-129, pl.132; Nanjing (Univ. Pr.) | 
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Keywords:
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M.Devon.;China, Guizhou. | 
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Link:
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