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Geolocation
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Author - title
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Year
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| details | Early Visean | USSR(Ukrainian SSR) | Shulga,P.L. et al. The Paleozoic Formations of the Belokorovichi Graben Syncline, northwestern Ukrainian Shield. | 1982 | |
| details | Tournaisian | USSR(Siberia) | Dryagina,L.L. Biostratigraphic analysis of some groups of organic remains; evolutionary stages and methods of stratigraphic utilization; spores and pollen. (In: The Upper Paleozoic of the Angara Basins;Fauna and Flora. I.T. Zhuravleva and V.I.Ilina, editor) | 1988 |