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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 | Late Oligocene | China(Hopei) | Sung,T.C. et al. Early Tertiary spores and pollen grains from the Coastal Region of Bohai. | 1978 |
| details | Eocene | Miocene | Arctic Ocean | Koreneva,E.V. et al. Palynology studies of Sites 336, 338, 345, 346, and 348, DSDP Leg 38. | 1976 |