| original |
Late Arenigian |
Early Llanvirnian |
Germany |
Burmann,G. Diacrodia of the Lower Ordovician |
1968 |
| details |
Caradocian |
|
England(Kent) |
Lister,T.R. et al. The Basement Beds of the Bobbing borehole, Kent. |
1969 |
| details |
Llanvirnian |
|
E.Germany |
Burmann,G. The Ordovician of the northern Phyllite zone |
1973 |
| details |
Late Arenigian |
|
E.Germany |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |
| details |
Early Llanvirnian |
|
E.Germany |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |
| details |
Late Arenigian |
Early Llanvirnian |
Nd |
Diez,M.D.C.R. et al. Range chart of selected Lower Paleozoic acritarch Taxa. 2: Index to Parts 1 and 2. |
1977 |
| details |
Late Arenigian |
|
Morocco |
Cramer,F.H. et al. Late Arenigian (Ordovician) acritarchs from Cis-Saharan Morocco. |
1977 |
| details |
Arenigian |
|
Canada(Newfoundland) |
Dean,W.T. et al. Lower Ordovician acritarchs and Trilobites from Bell Island, Eastern Newfoundland. |
1978 |
| details |
Tremadocian |
Arenigian |
China(Shanghai) |
Hu,Y. Micropalaeoflora from the Early Ordovician in Gaoqiao Region of Shaanxi and its stratigraphic significance. |
1986 |
| details |
Early Arenigian |
|
China(Kweichow) |
Li,Y. Of Guizhou Province, southwest China Ordovician acritarchs from the Meitan Formtion. |
1987 |
| details |
Arenigian |
|
China(Hupei) |
Lu,L.-C. Acritarchs from the Dawan Formation (Arenigian) of Huanghuachang in Yichang, western Hubei. |
1987 |
| details |
Early Arenigian |
|
China(Kweichow) |
Li,J. Ordovician acritarchs from the Meitan Formation of Guizhou Province, South-Western China. |
1987 |
| details |
Late Arenigian |
Early Llanvirnian |
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Arenigian |
|
Czechoslovakia |
VavrdovЎ,M. Early Ordovician acritarchs from the locality Myto near Rokycany (Late Arenig, Czechoslovakia) |
1990 |
| details |
Nd |
|
Nd |
Eiserhardt,K.H. The Acritarchs of the –jlemyrflintes. |
1992 |
| 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 |
| details |
Middle Arenigian |
|
China(Szechwan) |
Fatka,O. et al. Morphologic variability in two populations of Arbusculidium filamentosum (Vavrdova 1965), Vavrdova,1972. |
1999 |