| details |
Late Cambrian |
Early Permian |
Nd |
Downie,C. Observations on the nature of the acritarchs |
1973 |
| details |
Late Cambrian |
Early Permian |
England |
Downie,C. Observations on the nature of the acritarchs |
1973 |
| details |
Early Ordovician |
Late Gothlandian |
Eurasia |
Timofeev,B.V. Proterozoic and early microfossils. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Cambrian |
|
USSR(Lithuanian SSR) |
Bagdasaryan,L.L. Results of micropalaeophytological investigations of oils and stratum waters. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Llanvirnian |
|
E.Germany |
Burmann,G. The Ordovician of the northern Phyllite zone |
1973 |
| details |
Middle Cambrian |
Arenigian |
Zambia |
VavrdovЎ,M. et al. Lower Palaeozoic microfossils from the Luapula Beds of Mansa area |
1972 |
| details |
Early Tremadocian |
|
USSR(Estonian SSR) |
Yankauskas,T.V. et al. Micropaleontological characteristics of the Tremadocian Ulgase Member of Estonia. |
1972 |
| details |
Nd |
|
Nd |
Wilson,L.R. et al. Electron microscope studies of the marine palynomorph Quisquilites. |
1971 |
| details |
Late Ordovician |
Late Gothlandian |
USSR(Russian Platform) |
Umnova,N.I. Silurian and Ordovician acritarch assemblages from the northern and western parts of the Russian Platform. |
1971 |
| details |
Ordovician |
|
Romania |
Beju,D. The present stage of the palynological researches concerning the Antecretaceous of Romania. |
1971 |
| details |
Early Triassic |
Middle Triassic |
USSR(Urals) |
Tuzhikova,V.I. Triassic acritarchs of the Urals |
1971 |
| details |
Nd |
|
Africa |
Cramer,F.H. Middle Silurian continental movement estimated from phytoplankton-facies transgressions. |
1970 |
| details |
|
|
North America |
Cramer,F.H. Middle Silurian continental movement estimated from phytoplankton-facies transgressions. |
1970 |
| details |
|
|
Brazil |
Cramer,F.H. Middle Silurian continental movement estimated from phytoplankton-facies transgressions. |
1970 |
| details |
Nd |
|
Nd |
Sarjeant,W.A.S. Recent developments in the application of fossilised planktonic organisms to problems of stratigraphy and Palaeoecoogy. |
1970 |
| details |
Nd |
|
Nd |
Cramer,F.H. et al. Taxonomic considerations on the acritarchs of the Middle and Upper Silurian of northern Spain. |
1968 |
| details |
Givetian |
|
Czechoslovakia |
Lele,K.M. Preliminary note on the miospores and other microfossils from the Srbsko Formation (Givetian) in the Barrandian Basin, Czchoslovakia. |
1968 |