| details |
Late Cambrian |
Tremadocian |
Canada(Alberta) |
Molyneux,S.G. et al. Paleozoic phytoplankton. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Ordovician |
Silurian |
Algeria |
de Jekhowsky,B. Organic microfossils (spores, hystrichospheres, chitinozoans, etc.), of the Saharan Pre-Quaternary |
1965 |
| details |
Early Miocene |
Middle Miocene |
USSR(Sakhalin Oblast) |
Fradkina,A.F. The geological sections and their palynological characteristics. (In: Palynoflora of the Neogene of Northeast Asia. (Yakut, Priokhotsk, Chukotka, Kamchatka. A.F.Fradkina) |
1983 |
| details |
Middle Cambrian |
Early Ordovician |
Nd |
Downie,C. Observations on the nature of the acritarchs |
1973 |
| details |
Late Arenigian |
Early Llanvirnian |
England(Cumberland) |
Cooper,A.H. et al. The stratigraphy, correlation, provenance and palaeogeography of the Skiddaw Group (Ordovician) in the English Lake District |
1995 |
| details |
Late Tremadocian |
Early Arenigian |
Estonia |
Paalits,I. Biostratigraphy: Acritarchs |
1990 |
| details |
Merioneth |
Arenigian |
Wales |
Downie,C. et al. Changes in the acritarch assemblages at the Tremadoc boundaries in the United Kingdom. |
1979 |
| details |
Tremadocian |
Arenigian |
Italy(Sardinia) |
Tongiorgi,M. et al. First datation of palynological (acritarch) of the Solanas Formation (Tremadoc, Arenig) (Meana Sardo, Central Sardinia) |
1982 |
| details |
Middle Cambrian |
Arenigian |
Zambia |
VavrdovЎ,M. et al. Lower Palaeozoic microfossils from the Luapula Beds of Mansa area |
1972 |
| details |
Nd |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Nd |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Tremadocian |
|
Spain |
Wolf,R. Acritarchs of the Tremadocian Keltiberien (northeast Spain). |
1980 |
| details |
Arenigian |
|
Ireland |
Smith,D.G. Progress in Irish Lower Palaeozoic palynology. |
1981 |
| details |
Charnian |
|
England |
Peat,C.J. Comments on some of Britian's oldest microfossils |
1984 |
| details |
Longmyndian |
|
England |
Peat,C.J. Comments on some of Britian's oldest microfossils |
1984 |
| details |
Pleistocene |
|
Wales |
Hunt,C.O. Erratic palynomorphs from some British Tills |
1984 |
| details |
Late Cambrian |
|
Italy |
Sassi,F.P. et al. New data on the age of deposition of the South-Alpine Phyllitic basement in the eastern Alps |
1984 |