| link
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From
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To
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Geolocation
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Author - title
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Year
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| original | Late Permian | Early Triassic | China(Yunnan) | Ouyang,S. Upper Permian and Lower Triassic palynomorphs from eastern Yunnan, China. | 1982 |
| original | Visean | Serpukhovian | Libya | Clayton,G. et al. Early Carboniferous (Early Visean-Serpukhovian) palynomorphs. (In: Palynology of Northeast Libya. B.Thusu and B.Owens, editors) | 1985 |
| original | Late Permian | China(Yunnan) | Ouyang,S. Palynology of Upper Permian and Lower Triassic strata of Fuyuan District, Eastern Yunnan. | 1985 |