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Geolocation
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Author - title
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Year
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| details | Middle Frasnian | USSR(Bashkir ASSR) | Chibrikova,E.V. Spores from Devonian and older deposits of Bashkir | 1959 | |
| details | Paleozoic | USSR(WSL) | Pashkevich,N.G. et al. Research on the solution of some problems of paleopalynology. | 1975 | |
| details | Paleozoic | USSR(Nenets Nat.Okrug) | Pashkevich,N.G. et al. Research on the solution of some problems of paleopalynology. | 1975 |