| details |
Late Tremadocian |
Arenigian |
China(Kirin) |
Martin,F. et al. Early Ordovician acritarchs from Southern Jilin Province, northeast China. |
1988 |
| original |
Early Arenigian |
|
China(Kweichow) |
Li,Y. Of Guizhou Province, southwest China Ordovician acritarchs from the Meitan Formtion. |
1987 |
| original |
Early Arenigian |
|
China(Kweichow) |
Li,J. Ordovician acritarchs from the Meitan Formation of Guizhou Province, South-Western China. |
1987 |
| details |
Arenigian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Early Arenigian |
|
Czechoslovakia |
VavrdovЎ,M. Acritarch assemblages in the Arenig series of the Prague Basin, Czech Republic. (In: Contributions to Acritarch and Chitinozoan Research. S.G.Molyneux and K.J.Doring, editors) |
1993 |
| details |
Nd |
|
Nd |
Tongiorgi,M. et al. Arenigian acritarchs from the Daping section (Yangtze Gorges area, Hubei Province, southern China) and their palaeogeographic significance. |
1995 |