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From
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To
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Geolocation
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Author - title
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Year
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| details | Middle Eocene | Oligocene | China(Liaoning) | Ke et al. Early Tertiary spores and pollen grains from the Coastal Region of Bohai | 1978 |
| details | Early Tertiary | China(Hupei) | Anonymous Early Tertiary spores and pollen grains from the Coastal Region of Bohai. | 1978 | |
| details | Middle Eocene | Late Oligocene | China(Hopei) | Sung,T.C. et al. Early Tertiary spores and pollen grains from the Coastal Region of Bohai. | 1978 |