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Author - title
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Year
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| details | Nd | Nd | Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. | 1990 | |
| details | Middle Proterozoic | Late Proterozoic | USSR(Karelian ASSR) | Makarikhin,V.V. Lower Precambrian Stromatolite associations of Karelia. (In: Proceedings of the 9th Alfred Wegener Conference-IGCP Project 157, M.Schidlowski, editor) | 1992 |