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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 | Late Famennian | USSR(Urals) | Chibrikova,E.V. Devonian - Carboniferous Boundary in different structural facial zones of the South Urals and Fore Urals, (according to palynological data). | 1978 | |
| details | Westphalian A | Westphalian B | USSR(Rostov) | Lyuber,A.A. et al. Classification and stratigraphic value of spores of some Carboniferous Coal deposits in the USSR. | 1938 |