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Author - title
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| details | Nd | Nd | Scheuring,B.W. Palynology and palynostratigraphic study of the Keuper in Bolchentunnel, (Solothurn Jura). | 1970 | |
| original | Scythian | Anisian | Canada(British Columbia) | Jansonius,J. Palynology of Permian and Triassic sediments, Peace River area, Western Canada. | 1962 |