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Geolocation
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Author - title
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Year
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| details | Early Eocene | Middle Oligocene | USSR(WSL) | Lyubomirova,K.A. Paleogene Hamamelidaceae spores from Northwestern Siberia | 1965 |
| original | Miocene | Early Pliocene | Scotland(Hebrides) | Simpson,J.B. The Tertiary pollen-Flora of Mull and Ardnamurchan | 1961 |