| link
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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 | Hettangian | Early Toarcian | Canada(Arctic) | Suneby,L.B. et al. Palynological zonation of the Heiberg Formation (Triassic-Jurassic) eastern Sverdrup Basin, Arctic Canada. | 1988 |
| details | Ypresian | Belgium | De Coninck,J. Dinophyceae and acritarcha from the Ypresian of the Kallo Boring. | 1969 | |
| details | Ypresian | Belgium | De Coninck,J. Ypresian organic walled microfossils from the Belgian Basin. | 1975 |