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 | Middle Jurassic | Late Jurassic | Canada(W.Canada) | Pocock,S.A.J. Palynology of the Jurassic sediments of Western Canada, Part 1. Terrestrial species. | 1970 |
details | Early Cretaceous | Canada(NWT,Mackenzie) | Yorath,C.J. et al. Cretaceous and Tertiary stratigraphy and paleogeography northern Interior Plains, District of MacKenzie. | 1981 |