| details |
Caradocian |
Ashgillian |
North America |
Combaz,A. et al. The "Leiofusidae" Eisenack, 1938. |
1967 |
| details |
Arenigian |
Ashgillian |
Algeria |
Jardin©,S. et al. Stratigraphic distribution of acritarchs in the Palaeozoic of the Algerian Sahara. |
1974 |
| details |
Tremadocian |
|
USSR(Russian Platform) |
Umnova,N.I. Silurian and Ordovician acritarch assemblages from the northern and western parts of the Russian Platform. |
1974 |
| details |
Caradocian |
Early Wenlockian |
USSR(Russian Platform) |
Umnova,N.I. Silurian and Ordovician acritarch assemblages from the northern and western parts of the Russian Platform. |
1974 |
| details |
Tremadocian |
|
USSR(Pre-Baltic) |
Umnova,N.I. Silurian and Ordovician acritarch assemblages from the northern and western parts of the Russian Platform. |
1974 |
| details |
Caradocian |
Early Wenlockian |
USSR(Pre-Baltic) |
Umnova,N.I. Silurian and Ordovician acritarch assemblages from the northern and western parts of the Russian Platform. |
1974 |
| details |
Tremadocian |
|
USSR(Russian Platform) |
Umnova,N.I. Ordovician and Silurian acritarchs of the Moscow Basin and Prebaltic |
1975 |
| details |
Ordovician |
Silurian |
Romania |
Nastaseanu,S. et al. Paleogeographic evolution of Carboniferous terrains. General summary of the Paleozoic of Rumania. |
1975 |
| details |
Middle Ordovician |
|
Canada(Quebec) |
Loeblich,A.R.,Jr. et al. Some Middle and Late Ordovician microphytoplankton from Central North America. |
1978 |
| details |
Early Paleozoic |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Late Ordovician |
Early Gothlandian |
India(Karnataka) |
Viswanathiah,M.N. et al. Acritarchs and associated microplankton from the Katageri Formation of the Badami Group, South India. |
1984 |
| details |
Ordovician |
Silurian |
India(Karnataka) |
Viswanathiah,M.N. et al. Microfossils from Konkonkop Dolomite of Katageri Formation Badami Group, Karnataka, South India. |
1984 |
| details |
Tremadocian |
Arenigian |
Colombia |
Thery,J.-M. et al. Discovery of Arenigian acritarchs from Araracuara, (Caqueta-Colombia). Reinterpretation of the Saliente del Vaupes Area. |
1986 |
| details |
Arenigian |
|
China(Yunnan) |
Fang,X. Ordovician micropaleoflora in Kunming-Luquan Region, Yunnan Province, and its stratigraphical significance. |
1987 |
| details |
Caradocian |
|
Canada(Quebec) |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Ashgillian |
|
Worldwide |
Molyneux,S.G. et al. Paleozoic phytoplankton. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Late Ludlovian |
Early Pridolian |
China(Jiangxi) |
Li,J. et al. Late Ludlow - Early Pridoli palynomorphs from northern Jiangsu, South China. |
2000 |