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Author - title
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Year
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| details | Middle Riphean | Early Vendian | India(Uttar Pradesh) | Dhaundiyal,J.N. et al. Precambrian acritarchs from Blaini Formation Garhwal Syncline, Uttar Pradesh. | 1987 |
| details | Late Proterozoic | Early Paleozoic | China(Anhwei) | Chen,G. et al. Palynomorphs from metamorphic rocks in Southern Anhui and their geological significance | 1996 |