| details |
Early Llandoverian |
Frasnian |
Brazil(Amazonas) |
Lange,F.W. Biostratigraphic subdivisions and revision of the Silurian-Devonian column of the Lower Amazon Basin. |
1967 |
| details |
Late Asselian |
Early Scythian |
India(Bengal) |
Tiwari,R.S. et al. Organic-walled microfossils of doubtful origin in Permian and Triassic sequences on Peninsular India |
1995 |
| details |
Carboniferous |
Early Permian |
USSR(Urals) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Middle Ordovician |
Early Gothlandian |
USSR(Yaroslav) |
Aristova,K.E. et al. Upper Ordovician and Silurian of the Moscow Syneclise |
1977 |
| details |
Cambrian |
Early Gothlandian |
India(Madhya Pradesh) |
Salujha,S.K. et al. Palynology of the Vindhyans and their equivalents in Peninsular India. |
1972 |
| details |
Cambrian |
Early Gothlandian |
India(Rajasthan) |
Salujha,S.K. et al. Palynology of the Vindhyans and their equivalents in Peninsular India. |
1972 |
| details |
Early Cambrian |
Early Gothlandian |
India |
Venkatachala,B.S. A decade of stratigraphic palynology in India. |
1976 |
| details |
Late Frasnian |
Early Famennian |
Belgium |
Bouckaert,J. et al. The Frasnian-Famennian boundary in Belgium |
1972 |
| details |
Emsian |
Early Eifelian |
Georgia |
Ravn,R.L. et al. Lower Devonian spores and acritarchs from the subsurface of Southwestern Georgia. |
1984 |
| details |
Late Devonian |
Early Carboniferous |
China(Tibet) |
Gao,L. Late Devonian and Early Carboniferous acritarchs from Nyalam County, Xizang, (Tibet), China. |
1984 |
| details |
Middle Vendian |
Early Cambrian |
USSR(European) |
Pamkyavichene,L.T. Distribution of microphytofossil of the Vendian-Cambrian Pogranichnykh deposits of the West Part of the eastern European Platform |
1976 |
| details |
Ludlovian |
Downtonian |
Wales |
Warren,P.T. The significance of recent research in Britain on the Ludovian-Downtonian boundary. (In: The boundary between the Silurian and Devonian and Biostratigraphy of the Silurian. D.V.Nalivkin, editors) |
1971 |
| details |
Devonian |
Carboniferous |
USSR(Ukrainian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Llanvirnian |
Caradocian |
USSR(Kaliningrad) |
Pa?keviciene,L. Middle Ordovician acritarchs from Lithuania and Kaliningrad District |
1993 |
| details |
Llanvirnian |
Caradocian |
USSR(Lithuanian SSR) |
Pa?keviciene,L. Middle Ordovician acritarchs from Lithuania and Kaliningrad District |
1993 |
| details |
Riphean |
Cambrian |
Yugoslavia |
Pantic,N.K. The importance of paleopalynological investigation of metamorphic rocks in central and southeastern Europe |
1975 |
| details |
Neocomian |
Aptian |
USSR(European) |
Thedorova,V.A. Microphytoplankton from the Early Cretaceous Epicontinental Seas of the European part of the USSR. |
1979 |