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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 | Aptian | Turonian | North America | Takahashi,K. Problems of distribution and variation of pollen and spore assemblages in the Upper Cretaceous and Paleogene. | 1973 |
| details | Cenomanian | Turonian | Czechoslovakia | Knobloch,E. et al. Progress in Cenophytic palaeobotany of Czechoslovakia. | 1977 |