| details |
Cambrian |
|
Nd |
Eisenack,A. Hystricosphaeres |
1963 |
| details |
Acadian |
Early Llanvirnian |
Czechoslovakia |
VavrdovЎ,M. Phytoplankton communities of Cambrian and Ordovician age of Central Bohemia |
1982 |
| details |
Late Tremadocian |
|
China(Yunnan) |
Fang,X. Ordovician micropaleoplants in Kunming-Luguan Region, Yunnan Province and their stratigraphical significance. |
1985 |
| details |
Late Cambrian |
|
USSR(Yaroslav) |
Volkova,N.A. Acritarchs of the Middle and Upper Cambrian in the Moscow Syncline |
1980 |
| details |
Vendian |
Cambrian |
W.Germany(Niedersachsen) |
Cramer,F.H. et al. Taxonomic considerations on the acritarchs of the Middle and Upper Silurian of northern Spain. |
1968 |
| details |
Vendian |
Cambrian |
W.Germany(Niedersachsen) |
Deflandre,G. et al. Nomenclature and systematics of Hystrichospheres (Sens.Lat.) observations and recitifications. |
1961 |
| details |
Late Cambrian |
Early Tremadocian |
Canada(Newfoundland) |
Parsons,M.G. et al. Three new assemblages of acritarchs from Late Upper Cambrian to Early Tremadocian rocks of Random Island, Trinity Bay, Eastern Newfoundland. |
1986 |
| details |
Arenigian |
Llanvirnian |
Morocco |
Rauscher,R. et al. Palynological dating of the Moroccan Tazekka Schists: Consequence on the structural evolution of the Hercynian Basement of the eastern Meseta. |
1982 |
| details |
Tremadocian |
|
Canada(Nova Scotia) |
Keppie,J.D. Tremadocian acritarchs from Gillis Brook, Boisdale Hills, Cape Breton Island. |
1980 |
| details |
Late Cambrian |
Arenigian |
Canada(Newfoundland) |
Martin,F. Some aspects of Late Cambrian and Early Ordovician acritarchs. |
1982 |
| details |
Late Tremadocian |
Arenigian |
China(Szechwan) |
Xing,Y. Microplants and chitinozoans from the Lower Ordovician Dachengsi Formation of Emeishan, Sichun. |
1980 |
| details |
Tremadocian |
|
Spain |
Wolf,R. Acritarchs of the Tremadocian Keltiberien (northeast Spain). |
1980 |
| details |
Tremadocian |
|
USSR(Moscow Basin) |
Aristova,K.E. Typical assemblages of Ordovician and Silurian microfossils from the Moscow Syncline. |
1980 |
| details |
Tremadocian |
Arenigian |
Wales |
Downie,C. et al. Changes in the acritarch assemblages at the Tremadoc boundaries in the United Kingdom. |
1979 |
| details |
Devonian |
|
Yugoslavia |
Pantic,N.K. Palynological dating of metamorphic rocks from Central and South-East Europe and geological implications. |
1979 |
| details |
Cambrian |
Early Ordovician |
Yugoslavia |
Pantic,N.K. Palynological dating of metamorphic rocks from Central and South-East Europe and geological implications. |
1979 |
| details |
Tremadocian |
|
Argentina |
Bultynck,P. et al. Lower Ordovician conodonts and acritarchs and Lower Silurian acritarchs of the northern part of the Argentinian Cordillera. |
1982 |