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Geolocation
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Author - title
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Year
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| details | Middle Wealden | Late Wealden | W.Germany(Niedersachsen) | Dжring,H. Trilete spores from the Upper Jurassic and Wealdean of northern Germany | 1964 |
| details | Cenomanian | Turonian | USSR(WSL) | Dжring,H. Trilete spores from the Upper Jurassic and Wealdean of northern Germany | 1964 |