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Author - title
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| details | Nd | Volkheimer,W. Advancement of the Microbiostratigraphy of the Jurassic in Argentina and comparison with other Regions of the Southern Heisphere | 1971 | ||
| details | Early Callovian | Volkheimer,W. Stratigraphic distribution of spores and pollen in the Lower and Middle Jurassic of the Neuqu©n Basin Argentina. | 1971 | ||
| details | Early Paleocene | Danian | USSR(Kamchatka Oblast) | Zaklinskaya,E.D. Early Paleogene flora of the northern Hemisphere and paleofloristic Provinces of this age. | 1967 |