| details |
Late Ludlovian |
|
Spain |
Diez,M.D.C.R. et al. Acritarchs and miospores from the Ludlovian of Corniero, Leon, Spain. |
1976 |
| details |
Early Devonian |
|
China(Kwangsi) |
Kao,L.-D. Early Devonian spores and acritarchs from the Nakaoling Stage of Liujing, Kwangsi. |
1978 |
| details |
Early Llandoverian |
Middle Llandoverian |
Spain |
Hafenrichter,M. The lower and upper boundary of the Ordovician system of some selected regions, (Celtiberia, Eastern Sierramorena) in Spain. Part 2. The Ordovician/Silurian bounday in Spain. |
1980 |
| details |
Ludlovian |
Early Downtonian |
Libya |
Al-Ameri,T.K. Acid resistant microfossils used in the determination of Paleozoic palaeoenvironments in Libya. |
1983 |
| details |
Wenlockian |
|
USSR(Krasnoyarsk Kray) |
Sheshegova,L.I. The acritarchs of the Silurian of the northern Siberian Platform |
1984 |
| original |
Llandoverian |
Wenlockian |
Czechoslovakia |
PacltovЎ,B. The methodology and new technique of micropaleontological study of metamorphic rocks. (In: Correlation of the Proterozoic and Paleozoic Stratiform deposits VII) |
1984 |
| original |
Llandoverian |
Wenlockian |
Czechoslovakia |
PacltovЎ,B. The methodology and new technique of micropaleontological study of metamorphic rocks. (In: Correlation of the Proterozoic and Paleozoic Stratiform deposits VII) |
1984 |
| original |
Llandoverian |
Wenlockian |
Czechoslovakia |
PacltovЎ,B. The methodology and new technique of micropaleontological study of metamorphic rocks. (In: Correlation of the Proterozoic and Paleozoic Stratiform deposits VII) |
1984 |
| details |
Ashgillian |
|
Libya |
Molyneux,S.G. et al. Late Ordovician palynomorphs. (In: Palynology of Northeast Libya. B.Thusu and B.Owens, editors) |
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 |
Tremadocian |
Arenigian |
China(Shanghai) |
Hu,Y. Micropalaeoflora from the Early Ordovician in Gaoqiao Region of Shaanxi and its stratigraphic significance. |
1986 |
| details |
Wenlockian |
|
Canada(Ontario) |
Eley,B.E. et al. Cherts of Southern Ontario |
1989 |
| details |
Tremadocian |
|
Estonia |
Volkova,N.A. Acritarchs from the Cambrian-Ordovician boundary sediments of northern Estonia |
1989 |
| details |
Early Ludlovian |
Middle Ludlovian |
Argentina(San Juan) |
Rubinstein,C.V. Acritarch from the Silurian of the Jachal River Valley (Los Esp Formation), San Juan Province, Republica Argentina Subgroups Herkumorphita, Netromorphitae and Polgonomorphitae |
1989 |
| details |
Late Cambrian |
Early Tremadocian |
USSR(Estonian SSR) |
Volkova,N.A. Acritarchs of the Desposits of the Cambrian-Ordovician boundary northern Estonia |
1989 |
| details |
Early Rhuddanian |
|
Czechoslovakia |
Dufka,P. Palynomorphs in the Llandovery black shale sequence of the Prague Basin (Barrandian area, Bohemia). |
1990 |