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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 | Givetian | Early Frasnian | France(Pas-de-Calais) | Loboziak,S. et al. Miospores in Givetian to Lower Frasnian sediments dated by conodonts from the Boulonnais, France. | 1980 |
| details | Frasnian | Bolivia | Perez-Leyton,M. Middle and Upper Devonian miospores of the Mermejo -La Angostu section, southeastern Bolivia. | 1991 |