Fossil Atlas of Northwest China, Qinghai, volume 2: 10-18, pl.1-2.
| Authors | Year | Title | |
|---|---|---|---|
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Zheng & Chen | 1979 |
[Upper Paleozoic Fossils.] In: Fossil Atlas of Northwest China, Qinghai. [In Chinese.]
Fossil Atlas of Northwest China, Qinghai, volume 2: 10-18, pl.1-2.
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