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Author - title
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Year
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| details | Nd | Nd | Samuelsson,J. Biostratigraphy and palaeobiology of Early Neoproterozoic strata of the Kola Peninsula, Northwest Russia | 1997 | |
| details | Early Riphean | Middle Riphean | India(Jammu & Kashmir) | Venkatachala,B.S. et al. Cyanobacterial mats from the Neoproterozoic Vaishnodevi Limesto Jammu and Kashmir | 1997 |
| details | Vendian | Romania | Olaru,L. Using acritarch assemblages to correlate Upper Proterozoic and Lower Paleozoic metamorphic sequences in Romania | 2001 |