| details |
Early Rhaetian |
Middle Rhaetian |
Denmark |
Lund,J.J. Rhaetic to Lower Liassic palynology of the onshore south-eastern North Sea Basin. |
1977 |
| details |
Early Oxfordian |
Middle Oxfordian |
Norway |
Fossen,H. et al. The Bjoroy Formation: A newly discovered occurrence of Jurassic sediments in the Bergen Arc system. |
1997 |
| details |
Early Ordovician |
Middle Ordovician |
Sweden |
Eisenack,A. The microfauna of the Ostseekalke. 1. Chitinozoa, Hystrichosphaeres. |
1965 |
| details |
Early Oligocene |
Middle Oligocene |
China(Hopei) |
Jiabo On the Paleogene dinoflagellates and acritarchs from the Coastal Region of Bohai. |
1978 |
| details |
Early Oligocene |
Middle Oligocene |
USSR(Ukrainian SSR) |
Aristova,K.E. Analogous Paleogene Beloglinsk and Kyzy Idzharsk horizons in northern Pre-Aral and northern Ust-Urt. (from pollen, spores and microplankton). (In: Palynology and Stratigraphy of the Paleozoic, Mesozoic and Paleogene of the European part of the USSR and Central Area.) |
1971 |
| details |
Middle Eocene |
Middle Oligocene |
Indian Ocean |
Quilty,P.G. et al. Microfossil evidence for the age and environment of deposition of sediments of Heard and McDonald Islands. (In: Antarctic Earth Science. R.L. Oliver et al, editors) |
1983 |
| details |
Late Eocene |
Middle Oligocene |
Argentina(Tierra) |
Zamaloa,M.C. et al. Some spores and pollen from the Cullen Formation (Upper Eocene to Middle Oligocene) Tierra del Fuego, Argentina. |
1990 |
| details |
Middle Ufimian |
Middle Kazanian |
Barents Sea |
Grigoriev,M. et al. Sedimentology, palynostratigraphy, palynofacies and thermal maturity of Upper Permian rocks of Kolguyev Island, Barents Sea Russia |
1998 |
| details |
Ordovician |
Middle Gothlandian |
Romania |
Stanoiu,I. et al. Specifications on the stratigraphy of the Paleozoic Formations of the Motru Valley Spring (South Carpathians). |
1975 |
| details |
Early Eocene |
Middle Eocene |
Morocco |
Fechner,G.G. Selected palynomorphs from the Lower to Middle Eocene of the South Atlas Border Zone, (Morocco), and their environmental significance. |
1988 |
| details |
Early Eocene |
Middle Eocene |
Louisiana |
Gregory,W.A. et al. Distribution of dinoflagellates in a subsurface marine Wilcox (Paleocene-Eocene) section in Southwest Louisiana |
1995 |
| details |
Early Devonian |
Middle Devonian |
Austria |
Planderova,E. et al. Biostratigraphical evaluation of Weakly metamorphosed sediments of Wechsel series and their possible correlation with Harmonia Group in male Karpaty Mts. |
1983 |
| details |
Late Devonian |
Middle Carboniferous |
China(Kiangsu) |
Hou,J.-P. Microfossils from the Mao-Sha Group of Jiangsu (Su) and Anhui (Wan) Districts, and their age determination. |
1982 |
| details |
Late Devonian |
Middle Carboniferous |
China(Anhwei) |
Hou,J.-P. Microfossils from the Mao-Sha Group of Jiangsu (Su) and Anhui (Wan) Districts, and their age determination. |
1982 |
| details |
Early Cambrian |
Middle Cambrian |
USSR(Latvian SSR) |
Brangulis,A.P. et al. Stratigraphy of ancient Terrains in the transition zone of the Baltic and Moscow Syneclises |
1975 |
| details |
Early Cambrian |
Middle Cambrian |
Poland |
Moczydlowska,M. et al. Lower Cambrian acritarch zonation in southern Scandinavia and southeastern Poland. |
1986 |
| details |
Early Cambrian |
Middle Cambrian |
USSR(Russian Platform) |
Volkova,N.A. Acritarchs and Correlaiton of the Vendian and Cam Brian deposits in the West of the Russian Platform |
1973 |