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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 | Caradocian | USSR(Estonian SSR) | Uutela,A. Age and dispersal of sedimentary erratics on the coast of southwestern Finland. | 1989 | |
| details | Caradocian | Algeria | Deunff,J. et al. Palynoplanktonic correlation in the Cambro-Ordovician of the Sahara | 1961 | |
| details | Caradocian | Sweden | Laufeld,S. Caradocian chitinozoa from Dalarna, Sweden. | 1967 | |
| details | Arenigian | Late Devonian | Scotland | Downie,C. et al. A palynological investigation of the Dalradian rocks of Scotland. | 1971 |