| details |
Silurian |
|
Nd |
Evitt,W.R. Dinoflagellates and other organisms in palynological preparations. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Late Ordovician |
|
USSR(Lithuanian SSR) |
Bagdasaryan,L.L. Phytoplankton from the lower oil bearing formations of the Baltic States. |
1969 |
| details |
Late Arenigian |
|
Poland |
Gгrka,H. Microorganisms of the Ordovician of Poland. |
1969 |
| details |
Early Caradocian |
|
Poland |
Gгrka,H. Microorganisms of the Ordovician of Poland. |
1969 |
| details |
Late Caradocian |
|
Poland |
Gгrka,H. Microorganisms of the Ordovician of Poland. |
1969 |
| details |
Early Caradocian |
|
Nd |
Gгrka,H. Microorganisms of the Ordovician of Poland. |
1969 |
| details |
Llandeilian |
|
France(Bretagne) |
Le Corre,C. et al. On the presence of acritarchs at the top of the Middle Ordovician Shales south of Rennes. |
1969 |
| details |
Silurian |
|
France(Maine-et-Loire) |
Moreau-Benoit,A. Palynologic study of the Shale-Sand Formations associated with the Chalonnes Limestone of the Saint-Charles and Tarare Qarries at Chaudefonds (Maine-et-Loire). |
1969 |
| details |
Early Ashgillian |
|
Czechoslovakia |
KonzalovЎ-MazancovЎ,M. Acritarcha Evitt 1963 from the Lower Ashgill of Bohemia |
1969 |
| details |
Early Ashgillian |
|
Czechoslovakia |
KonzalovЎ-MazancovЎ,M. Acritarcha Evitt 1963 from the Lower Ashgill of Bohemia |
1969 |
| details |
Early Gothlandian |
|
Saudi Arabia |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Tarannon |
|
Ohio |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Early Gothlandian |
Middle Gothlandian |
Spain |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Late Llandoverian |
Early Wenlockian |
Belgium |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Early Gothlandian |
|
Libya |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Ordovician |
Silurian |
Baltic |
Sarjeant,W.A.S. Xanthidia, Palinospheres and "Hystrix": A review of the study of fossil unicellular microplankton with organic cell walls. |
1970 |
| details |
Nd |
|
Nd |
Kjellstrжm,G. Middle Ordovician microplankton from the Grotlingbo borehole No.1 in Gotland, Sweden. |
1971 |