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Geolocation
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Author - title
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Year
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| details | Middle Jurassic | USSR(European) | Chirva,S.A. et al. Correlation of Middle Jurassic - Callovian Sandy Deposits of the Sysola, Yarenga and Pechora River Basins. (In: Jurassic Deposits of the Russian Platform: Collection of Scientific Papers) | 1986 | |
| original | Devensian | England(Yorkshire) | Hunt,C.O. et al. Late Quaternary freshwater dinoflagellate cysts from the British Isles | 1985 |