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| details | Early Namurian A | Poland | DybovЎ-Jachowiczowa,S. Miospore stratigraphy of the upper part of the Hrusov Beds in the vicinity of Szombierki (Upper Silesia). | 1975 | |
| details | Visean | USSR(Urals) | Burilova,R.V. et al. Spore-pollen assemblages. (In: Paleontological Atlas, Carboniferous Deposits of the Urals.) | 1975 |