| 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 | Late Santonian | Early Campanian | Canada(Alberta) | Braman,D.R. Terrestrial palynomorphs of the Upper Santonian - ?Lower Campanian Milk River Formation, southern Alberta, Canada. | 2001 |
| details | Maastrichtian | Early Paleocene | Canada | Lerbekmo,J.F. et al. The relationship between the Iridium anomaly and palynological flora events at three Cretaceous-Tertiary boundary localities in Western Canada | 1987 |