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Author - title
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| details | Nd | Nd | Maithy,P.K. Palaeobiology of Vindhyan. (In: Four Decades of Indian palaeobotany-B.S.Venkatachala and H.P.Singh, editors) | 1992 | |
| details | Riphean | India(Uttar Pradesh) | Tewari,V.C. Discovery of Pre-Edicaran acritarch Chuaria Circularis (Walcott 1899; Vidal and Ford,1985) from the Deoban Mountains, Lesser Himalaya, India | 1996 | |
| details | Vendian | India(Madhya Pradesh) | Maithy,P.K. et al. Upper Vindhyan biota and Precambrian/Cambrian bound. | 1997 |