| details |
Whitcliffian |
|
Wales(Denbighshire) |
Swanson,V. et al. Acritarchs and chitinozoa from the Whitcliffian (Silurian) Dinas Bran Beds of Llangollen, Clwyd, North Wales. |
1977 |
| details |
Wenlockian |
|
Wales |
Aldridge,R.J. et al. Distribution of microfossil Groups across the Wenlock Shelf of the Welsh Basin. |
1981 |
| details |
Wenlockian |
|
England(Shropshire) |
Dorning,K.J. Palynology and stratigraphy of the Much Wenlock Limestone Formation of Dudley, Central England. |
1983 |
| original |
Wenlockian |
|
USSR(Ukrainian SSR) |
Kiryanov,V.V. Silurian acritarchs of Volhynia and Podolia |
1978 |
| details |
Telychian |
Wenlockian |
Scotland(Dumfries) |
White,D.E. et al. Biostratigraphy of Late Llandovery (Telychian) and Wenlock Turbiditic sequences in the southwest Southern Uplands, Scotland. |
1992 |
| details |
Telychian |
|
Czechoslovakia(Bohemia) |
Dufka,P. Acritarchs of the Rastrites Linnaei zone (Lower Telychian) from the Prague Basin Barrandian, Bohemian Massif. |
1992 |
| details |
Telychian |
Sheinwoodian |
S.Ireland(Kildare) |
Maziane-Serraj,N. et al. Ordovician and Silurian acritarch assemblages from the west Leinster and Slievenamon areas of southeast Ireland. |
2000 |
| details |
Silurian |
|
Belgium |
Steemans,P. Stratigraphical study of the spores in the Gedinnian - Siegenian Transition Beds at Nonceveux and Spa, (Belgium). |
1981 |
| details |
Silurian |
|
Libya |
Richardson,J.B. et al. Silurian palynomorphs from the Tanezzuft and Acacus Formations, Tripolitania, North Africa. |
1973 |
| details |
Silurian |
|
England |
Downie,C. Observations on the nature of the acritarchs |
1973 |
| details |
Pridolian |
|
England(Shropshire) |
Richardson,J.B. et al. Palynofacies in a Late Silurian regressive sequence in the Welsh Borderland and Wales |
1990 |
| details |
Middle Telychian |
|
Paraguay |
Gray,J. et al. A new record of Early Silurian-age land plant spores from the Parana Basin, Paraguay (Malvinokaffric Realm). |
1992 |
| details |
Middle Rhuddanian |
Telychian |
Saudi Arabia |
Le H©riss©,A. Characteristics of the acritarch recovery in the early Silurian of Saudi Arabia. |
2000 |
| details |
Middle Rhuddanian |
|
Saudi Arabia |
Le H©riss©,A. Evolution of the biodiversity : The acritarch recovery in the Early Silurian of Saudi Arabia. |
1998 |
| details |
Middle Emsian |
|
England(Oxfordshire) |
Richardson,J.B. et al. Palynomorphs in Lower Devonian sediments from the Apley Barn borehole, Southern England. |
1978 |
| details |
Ludlovian |
Gedinnian |
France(Cotes du Nord) |
Lefort,J.P. et al. A study of the Pre-Mesozoic basement samples of the northern part of the Channel Islands Gulf. |
1974 |
| details |
Ludlovian |
|
England(Shropshire) |
Dorning,K.J. Silurian acritarchs from the type Wenlock and Ludlow of Shropshire, England. |
1981 |