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Geolocation
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Author - title
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Year
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| details | Permian | USSR(Kazakh SSR) | Akyol,E. Palynological studies of the Namurian and Westphalian A veins, cut by the South and East Wing of a Side Gallery -5 a Asma, U Zulmez-Zonguldak. | 1974 | |
| details | Late Devonian | Carboniferous | USSR(Siberia) | Pashkevich,N.G. et al. Miospores of Upper Paleozoic plants of Central Siberia. | 1978 |
| details | Permian | USSR(Kazakh SSR) | Pashkevich,N.G. et al. Miospores of Upper Paleozoic plants of Central Siberia. | 1978 |