Umbilisaccites
- Citations total:
- 3
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Author - title
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| original | Late Permian | China(Yunnan) | Ouyang,S. Notes on some new miospore genera from Permo-Carboniferous strata of China. | 1979 | |
| details | Late Permian | China(Yunnan) | Ouyang,S. Notes on some new miospore genera from Permo - Carboniferous of China. | 1979 | |
| details | Late Stephanian | Early Permian | China(Hopei) | Ouyang,S. Notes on some new miospore genera from Permo - Carboniferous of China. | 1979 |