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Geolocation
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Author - title
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Year
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| details | Late Valanginian | Hauterivian | Canada(Alberta) | Burden,E.T. Terrestrial palynomorph biostratigraphy of the Lower Part of the Mannville Group, (Lower Cretaceous) Alberta and Montana. (In: The Mesozoic of Middle North America. D.F.Stott and D.J.Glass, editors) | 1984 |
| details | Late Jurassic | Cretaceous | Nd | Batten,D.J. Upper Jurassic and Cretaceous miospores. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) | 1996 |