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From
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Geolocation
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Author - title
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Year
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| details | Nd | W.Germany(Rhineland) | Richardson,J.B. et al. Silurian and Devonian spore zones of the Old Red Sandstone continent and adjacent regions. | 1986 | |
| details | Emsian | Early Eifelian | Algeria | Moreau-Benoit,A. et al. Palynological study of the Devonian in the Illizi Basin (East Algerian Sahara) biostratigraphical approach | 1993 |