| details |
Tremadocian |
|
England(Shropshire) |
Rasul,S.M. Acritarch zonation of the Tremadoc Series of the Shineton Shales, Wrekin, Shropshire, England. |
1979 |
| details |
Tremadocian |
|
Norway |
Welsch,M. The acritarchs of the Upper Digermul Group, Middle Cambrian to Tremadoc, Eastern Finnmark, Northern Norway. |
1986 |
| details |
Tremadocian |
|
Austria |
Reitz,E. et al. Lower Ordovician acritarchs of the northern Graywacke Zone, (Eastern Alps). |
1989 |
| details |
Tremadocian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| original |
Tremadocian |
|
England(Shropshire) |
Rasul,S.M. The Lower Palaeozoic acritarchs Priscogalea and Cymatiogalea |
1974 |
| details |
Tremadocian |
|
England(Shropshire) |
Rasul,S.M. et al. The stratigraphic distribution of Tremadoc acritarchs in the Shineton Shales succession, Shropshire, England. |
1974 |
| details |
Tremadocian |
Arenigian |
Iran |
Ghavidel-Syooki,M. Biostratigraphy and paleo-biogeography of some Paleozoic rocks at Zagros and Alborz Mountains. |
1994 |
| details |
Middle Emsian |
|
England(Oxfordshire) |
Richardson,J.B. et al. Palynomorphs in Lower Devonian sediments from the Apley Barn borehole, Southern England. |
1978 |
| details |
Late Tremadocian |
|
Norway |
Welsch,M. The acritarchs of the Upper Digermul Group, Middle Cambrian to Tremadoc, Eastern Finnmark, Northern Norway. |
1986 |
| details |
Late Cambrian |
Tremadocian |
Canada(Newfoundland) |
Martin,F. et al. Middle and Upper Cambrian and Lower Ordovician acritarchs from Random Island, Eastern Newfoundland. |
1981 |
| details |
Late Cambrian |
Tremadocian |
United Kingdom |
Downie,C. Acritarchs in British stratigraphy |
1984 |
| details |
Late Cambrian |
|
China(Kirin) |
Yin,L.-M. Acritarchs. (In: Aspects of Cambrian-Ordovician boundary in Dayangcha, China. J.-Y.Chen, editor) |
1986 |
| details |
Late Cambrian |
|
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 |
Early Ordovician |
France(Vosges) |
Reitz,E. et al. Late Cambrian to Early Ordovician acritarchs from the Ville Unit, Northern Vosges Mountains, (France). |
1989 |
| details |
Late Cambrian |
Early Ordovician |
China(Kirin) |
Yin,L.-M. Acritarchs. (In: Study on Cambrian-Ordovician boundary strata and its biota in Dayangcha, Hunjiang, Jilin, China. J.-Y. Chen, editors) |
1985 |
| details |
Late Cambrian |
|
France(Vosges) |
Pflug,H.D. et al. Palynostratigraphy in Phanerozoic and Precambrian metamorphic rocks. (In: Proceedings of the 9th Alfred Wegener Conference-IGCP Project 157, M.Schidlowski, editor) |
1992 |
| details |
Late Cambrian |
|
Canada(Newfoundland) |
Parsons,M.G. et al. Acritarch microfloral succession from the Late Cambrian and Ordovician (Early Tremadoc) of Random Island, Eastern Newfoundland, and its comparison to coeval microfloras, particularly those of the Eastern European Platform. |
2000 |