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Geolocation
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Author - title
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Year
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| details | Early Cambrian | Sweden | Eklund,C. Lower Cambrian acritarch stratigraphy of the Barstad 2 core, Ostergotland, Sweden. | 1990 | |
| details | Late Cambrian | Tremadocian | France(Lot-et-Garonne) | Baudelot,S. et al. Paleozoic basins hidden under the Aquitaine: Micropaleontological study of core collected during petroleum investigations. (In: Program of deep geology of France first phase of investigation-1983-1984) | 1984 |