details |
Late Cambrian |
Llanvirnian |
France(Lot-et-Garonne) |
Baudelot,S. et al. Paleozoic basins hidden under the Aquitaine: Micropaleontological study of core collected during petroleum investigations. (In: Program of deep geology of France first phase of investigation-1983-1984) |
1984 |
details |
Late Cambrian |
|
USSR(Leningrad) |
Volkova,N.A. et al. An assemblage of acritarchs from the Lower Part of Obolus Sandstones on the Izhora River. (In: Problems of Modern Palynology. A.F.Chlonova, editor) |
1984 |
details |
Late Cambrian |
|
USSR(Leningrad) |
Borovko,N.G. et al. The reference section of Cambrian and Ordovician boundry sediments at North-West Russian Plate (Izhora River) |
1984 |
details |
Late Cambrian |
Early Tremadocian |
USSR(Leningrad) |
Borovko,N.G. et al. The reference section of Cambrian and Ordovician boundry sediments at North-West Russian Plate (Izhora River) |
1984 |
details |
Arenigian |
|
Italy(Sardinia) |
Albani,R. et al. New palynological data and geological considerations on the age of the Solanas Sandstone (Cambrian-Ordovician-Central Sardinia) |
1985 |
details |
Arenigian |
|
Italy(Sardinia) |
Albani,R. et al. New palynological data and geological considerations on the age of the Solanas Sandstone (Cambrian-Ordovician-Central Sardinia) |
1985 |
details |
Tremadocian |
|
Italy(Sardinia) |
Albani,R. et al. New palynological data and geological considerations on the age of the Solanas Sandstone (Cambrian-Ordovician-Central Sardinia) |
1985 |
details |
Late Cambrian |
|
USSR(Leningrad) |
Volkova,N.A. et al. New Upper Cambrian acritarchs from the Leningrad Oblast, (Ladoga Formation). |
1985 |
details |
Late Gedinnian |
|
France(Ardennes) |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
details |
Tremadocian |
Arenigian |
China(Shanghai) |
Hu,Y. Micropalaeoflora from the Early Ordovician in Gaoqiao Region of Shaanxi and its stratigraphic significance. |
1986 |
details |
Arenigian |
|
Colombia |
Thery,J.-M. et al. Discovery of Arenigian acritarchs from Araracuara, (Caqueta-Colombia). Reinterpretation of the Saliente del Vaupes Area. |
1986 |
details |
Arenigian |
|
Colombia |
Thery,J.-M. et al. Discovery of Arenigian acritarchs from Araracuara, (Caqueta-Colombia). Reinterpretation of the Saliente del Vaupes Area. |
1986 |
details |
Late Cambrian |
|
Spain |
Fombella Blanco,M.A. Resemblances and differences between the palynological associations of Upper Cambrian age in the northwest of Spain, (Vozmediano), and North of Africa. |
1987 |
details |
Arenigian |
|
China(Yunnan) |
Fang,X. Ordovician micropaleoflora in Kunming-Luquan Region, Yunnan Province, and its stratigraphical significance. |
1987 |
details |
Early Tremadocian |
|
USSR(Estonian SSR) |
Volkova,N.A. New species of acritarchs from the Lower Tremadocian of Estonia. (In: Palynology in the USSR. A.F.Chlonova, editor) |
1988 |
details |
Early Ordovician |
|
USSR(Estonian SSR) |
Volkova,N.A. et al. Distribution of acritarchs in the Cambrian - Ordovician boundary Beds of the Suhkrumagi section (North Estonia). |
1988 |
details |
Late Cambrian |
Llanvirnian |
France(Ardennes) |
Steemans,P. Paleogeography of the Eo-Devonian of Ardennes and Surrounding Regions |
1989 |