| original |
Early Ordovician |
|
USSR(Pre-Baltic) |
Timofeev,B.V. Ancient flora of the Prebaltic Region and its stratigraphic significance |
1959 |
| details |
Caradocian |
|
Poland |
Jagielska,L. Preliminary note on microspores from the Ordovician of Brzeziny and Zbrza in the Swiety Krzyz Mts. |
1962 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Ordovician |
|
Poland |
Jagielska,L. Flora of the Ordovician;Microflora |
1972 |
| details |
Llanvirnian |
|
England(Lancashire) |
Downie,C. et al. Age of the Eycott Volcanic Group and its Conformable relationship to the Skiddaw Slates in the English Lake District. |
1972 |
| details |
Early Llanvirnian |
|
England(Derbyshire) |
Dunham,K. A recent deep borehole near Eyam, Derbyshire. |
1973 |
| details |
Tremadocian |
|
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 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 |
Middle Cambrian |
|
USSR(Leningrad) |
Timofeev,B.V. et al. Microfossils of the Precambrian, Cambrian and Ordovician. |
1976 |
| details |
Early Llanvirnian |
|
England(Cumberland) |
Arthurton,R.S. et al. Ordovician and Silurian. (In: Geology of the Country around Penrith.) |
1981 |
| details |
Tremadocian |
|
Morocco |
Elaouad-Debbaj,Z. Tremadoc acritarchs and chitinozoa from the Middle Anti-Atlas, (Morocco). |
1988 |
| details |
Early Ordovician |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |