| details |
Late Cambrian |
Arenigian |
Canada(Newfoundland) |
Martin,F. et al. Middle and Upper Cambrian acritarch and Trilobite zonation at Manuels River and Random Island, eastern Newfoundland |
1988 |
| details |
Late Cambrian |
|
USSR(Estonian SSR) |
Eisenack,A. On Hystrichospheres and other microffossils of the Baltic Silurian and Cambrian |
1951 |
| details |
Late Cambrian |
Early Ordovician |
Poland |
Jagielska,L. Microspores of the older Palaeozoic from Bore-Hole Uszkowce 1. |
1962 |
| details |
Early Ordovician |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Early Ordovician |
|
USSR(Russian Platform) |
Andreeva,E.M. et al. Palaeopalynology. (Three Volumes: Volume I: Methods. Volume II: Complexes of palynomorphs of the Precambrian-Holocene of the USSR. Volume III: Figures and Plates. Editor-I.M. Pokrovskaya) |
1966 |
| details |
Early Ordovician |
|
USSR(Russian Platform) |
Andreeva,E.M. Guide complexes of plant microfossils of the Upper Proterozoic and lower deposits of the Russian Platform. (In: Palynology, Method and Stratigraphy) |
1973 |
| 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 |
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 |
Early Gothlandian |
|
Libya |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| original |
Early Gothlandian |
|
USSR(Baltic) |
Eisenack,A. Hystrichospheres and related forms in the Baltic Silurian. |
1938 |
| details |
Early Devonian |
|
USSR(Ukrainian SSR) |
Partyka,I.I. Plant microfossils of the Tiverian Stage of the Southwestern Margin of the Russian Platform. |
1971 |
| details |
Early Devonian |
|
Uruguay |
Martinez-Macchiavello,J.C. Some acritarchs from a sample from the Lower Devonian (Cordobes) of Blanquillo, Department of Durazno, Uruguay |
1969 |
| details |
Early Caradocian |
|
Nd |
Gгrka,H. Microorganisms of the Ordovician of Poland. |
1969 |
| details |
Early Caradocian |
|
Nd |
Gгrka,H. Microorganisms of the Ordovician of Poland. |
1969 |
| details |
Early Cambrian |
Middle Cambrian |
Romania |
Oniceanu,M. et al. The palynological contributions of the study of the crystallophylliens and sedimentary formation of zone between Bistricioara-Valea Seaca-Baraseu Valley (Harghita Country, East Carpathians). |
1977 |
| details |
Caradocian |
|
Poland |
Jagielska,L. Preliminary note on microspores from the Ordovician of Brzeziny and Zbrza in the Swiety Krzyz Mts. |
1962 |
| details |
Caradocian |
|
France(Finistere) |
Deunff,J. Planktonic microorganisms of the Breton Paleozoic. 1. The Ordovician of Veryhach (Crozon Peninsula). |
1959 |