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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 | Tithonian | Hauterivian | Canada(NWT,Mackenzie) | Fensome,R.A. Miospores from the Jurassic-Cretaceous boundary beds, Aklavik Range, Northwest Territories, Canada. (Incorporating taxonomic reviews of several Groups of Mid-Late Mesozoic miospores) | 1983 |
| details | Late Oxfordian | Kimmeridgian | Canada(NWT,Franklin) | Brideaux,W.W. et al. Upper Jurassic-Lower Cretaceous dinoflagellate assemblages from Arctic Canada. | 1976 |
| details | Berriasian | Canada(NWT,Franklin) | Brideaux,W.W. et al. Upper Jurassic-Lower Cretaceous dinoflagellate assemblages from Arctic Canada. | 1976 |