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Geolocation
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Author - title
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Year
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| details | Late Riphean | USSR(Chelyabinskaya) | German,T.N. et al. Systematic descriptions of microfossils. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) | 1989 | |
| details | Late Riphean | Russia(Urals) | Mikhailova,N.S. et al. New data on the organic-walled microfossils of the Upper Precambrian of the Urals | 1992 | |
| details | Nd | Nd | Hofmann,H.J. et al. Shale-Facies microfossils from the Proterozoic Bylot Supergroup, Baffin Island, Canada. | 1994 |