| details |
Early Emsian |
Middle Emsian |
England(Oxfordshire) |
Richardson,J.B. et al. Palynological evidence for the age and provenance of the Lower Old Red Sandstone from the Apley Barn Borehole, Winey, Oxfordshire. |
1978 |
| original |
Late Cambrian |
Early Ordovician |
USSR(Pre-Baltic) |
Timofeev,B.V. Ancient flora of the Prebaltic Region and its stratigraphic significance |
1959 |
| details |
Late Cambrian |
Early Ordovician |
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Precambrian |
Early Cambrian |
USSR |
Naumova,S.N. Plant microfossils of Precambrian and Lower Cambrian of Eurasia and their significance for stratigraphy. |
1974 |
| details |
Early Paleozoic |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Tremadocian |
|
Ireland(Isle Of Man) |
Molyneux,S.G. New evidence for the age of the Manx Group, Isle of Man. |
1979 |
| details |
Caradocian |
|
England(Shropshire) |
Turner,R.E. Reworked acritarchs from the type section of the Ordovician Caradoc series. Shropshire. |
1982 |
| details |
Tremadocian |
|
France(Herault) |
Rauscher,R. Micropaleontological and stratigraphic research in the Ordovician and Silurian in France. Study of the acritarchs, chitinozoans and spores. |
1973 |
| details |
Late Arenigian |
|
England(Cumberland) |
Arthurton,R.S. et al. Ordovician and Silurian. (In: Geology of the Country around Penrith.) |
1981 |
| details |
Ordovician |
|
Poland |
Jagielska,L. Flora of the Ordovician;Microflora |
1972 |
| details |
Cambrian |
|
Poland |
Jagielska,L. Flora of the Cambrian;Microflora |
1972 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Arenigian |
|
Poland |
Jagielska,L. Preliminary note on microspores from the Ordovician of Brzeziny and Zbrza in the Swiety Krzyz Mts. |
1962 |
| details |
Caradocian |
|
Poland |
Jagielska,L. Preliminary note on microspores from the Ordovician of Brzeziny and Zbrza in the Swiety Krzyz Mts. |
1962 |
| details |
Early Ordovician |
|
Poland |
Jagielska,L. Microspores of the older Palaeozoic from Bore-Hole Uszkowce 1. |
1962 |
| 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 Cambrian |
|
Poland |
Wazynska,H. Preliminary microfloristic examinations of the Sinian and Cambrian deposits from the Bialowieza area |
1967 |