| details |
Early Cambrian |
Middle Cambrian |
Poland |
Pozarski,W. et al. New data on the Lower Cambrian at the Southern Margin of the Holy Cross Mountains. (Southeast Poland.) |
1981 |
| details |
Early Cambrian |
|
Poland |
Moczydlowska,M. Lower and Middle Cambrian acritarchs from Northeastern Poland. |
1981 |
| details |
Carnian |
Early Pliensbachian |
Australia(Queensland) |
Stevens,J. Palynology of the Callide Basin, East-Central Queensland |
1981 |
| details |
Vendian |
Early Cambrian |
USSR(Irkutskaya Oblast) |
Akulcheva,Z.A. et al. Motsk deposits and their Analogues in the Irkutsk Amphitheatre. (In: Transitional deposits of the Pre-Cambrian and Cambrian of the Siberian Platform. (Biostratigraphy, paleontology, conditions of Formation.) |
1981 |
| details |
Late Permian |
|
Poland |
DybovЎ-Jachowiczowa,S. The palynological assemblage from Upper Permian of Poland |
1981 |
| original |
Sakmarian |
|
India(Bihar) |
Tiwari,R.S. et al. Palynostratigraphy of Lower Gondwana sediments in Jharia Coalfield, Bihar. |
1981 |
| details |
Late Cambrian |
|
USSR(Estonian SSR) |
Volkova,N.A. et al. New data on Cambrian-Ordovician transitional Beds in the eastern part of the East Baltic. |
1981 |
| details |
Early Permian |
|
India(Andhra Pradesh) |
Sastri,V.V. et al. The evolution of the east coast of India. |
1981 |
| original |
Middle Ordovician |
|
Canada(Ontario) |
Legall,F.D. et al. Thermal maturation, burial history and hotspot development, Paleozoic strata of Southern Ontario-Quebec, from conodont and acritarch colour alteration studies |
1981 |
| details |
Early Cambrian |
|
USSR(Estonian SSR) |
Mens,K.A. et al. Environmental control in the distribution of acritarchs in the Lontova Stage of Estonia. |
1981 |
| details |
Late Arenigian |
Early Llanvirnian |
England(Cumberland) |
Arthurton,R.S. et al. Ordovician and Silurian. (In: Geology of the Country around Penrith.) |
1981 |
| details |
Early Cambrian |
|
Poland |
Michniak,R. Holy Cross Mountains. (In: The Tomkmotian Stage and the Cambrian Lower boundary problem. M.E.Raaben, editor) |
1981 |
| details |
Early Tertiary |
|
Pacific(S.China Sea) |
Anonymous The Tertiary system of the Continental Shelf in the northern area of the South China Sea |
1981 |
| details |
Late Precambrian |
|
USSR(Far East) |
Volkova,N.A. Upper Precambrian acritarchs of south-eastern Siberia, (Ustkirbinsk Suite). |
1981 |
| details |
Early Cambrian |
|
Poland |
Pozaryski,W. et al. New data on the Lower Cambrian at the Southern Margin of the Holy Cross Mountains (Se.Poland) |
1981 |
| details |
Permian |
|
Pakistan |
Teichert,C. Permian glaciation in the Salt Range, Pakistan. (In: Earth's Pre-Pleistocene Glacial Record. Pre-Pleistocene Tillites. M.J.Hambrey and W.B.Harland, editors) |
1981 |
| details |
Frasnian |
|
USSR(Arkhangelsk Oblast) |
Medianik,S.I. Palynological characteristics of the Frasnian deposits of the Timan-Pechora Province. |
1981 |