| details |
Rhuddanian |
Early Telychian |
Wales(Carmarthenshire) |
Hill,P.J. et al. Appendix 1: Acritarchs. (The Llandovery Series of the type area. L.R.M.Cocks et al, editors) |
1984 |
| details |
Llandoverian |
Early Wenlockian |
Wales(Carmarthenshire) |
Hill,P.J. Stratigraphic palynology of acritarchs from the type area of the Llandovery and the Welsh Borderland. |
1974 |
| details |
Wenlockian |
|
USSR(Tuvinskaya A.O.) |
Sheshegova,L.I. Phytoplankton of the Silurian from the Tuva, (the section of the "Elegest"). |
1975 |
| details |
Early Ludlovian |
|
USSR(Siberia) |
Sheshegova,L.I. Phytoplankton of the Isfara and Kuzzhak horizons in Central Asia. (In: Environments and life in the geological past paleoassociation and their habitant. O.A.Abetekhtina et al, editors) |
1985 |
| details |
Late Llandoverian |
|
USSR(Krasnoyarsk Kray) |
Sheshegova,L.I. The acritarchs of the Silurian of the northern Siberian Platform |
1984 |
| details |
Late Wenlockian |
|
United Kingdom |
Downie,C. Acritarchs in British stratigraphy |
1984 |
| details |
Wenlockian |
|
Sweden(Gotland) |
Jeppson,L. et al. Wenlock (Silurian) oceanic episodes and events. |
1995 |
| details |
Gorstian |
|
Sweden(Gotland) |
Stricanne,L. et al. Acritarch distribution along an inshore-offshore transect in the Gorstian (lower Ludlow) of Gotland, Sweden |
2004 |
| details |
Early Wenlockian |
|
Sweden |
Le H©riss©,A. Organic walled microplankton from the Silurian of Gotland, (Sweden): Electron microscopical observations on excystment structures. |
1984 |
| original |
Llandoverian |
|
Sweden |
Eisenack,A. Microfossils of the Gotland Silurian. Hystrichospheres and questionable types |
1965 |
| details |
Wenlockian |
|
Sweden |
Le H©riss©,A. Acritarchs and cysts of Prasinophycean algae of the Silurian of Gotland, Sweden. |
1989 |
| details |
Early Llandoverian |
Middle Llandoverian |
Spain |
Hafenrichter,M. The lower and upper boundary of the Ordovician system of some selected regions, (Celtiberia, Eastern Sierramorena) in Spain. Part 2. The Ordovician/Silurian bounday in Spain. |
1980 |
| details |
Early Wenlockian |
|
Scotland(Berwick) |
Molyneux,S.G. Probable Early Wenlock acritarchs from the Linkim Beds of the Southern Uplands |
1987 |
| details |
Famennian |
|
Poland |
Gгrka,H. Some information on an acritarch assemblage from the Famennian of Poland. |
1974 |
| details |
Llandoverian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Llandoverian |
Ludlovian |
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 |
Llandoverian |
Pridolian |
Finland |
Uutela,A. Age and dispersal of sedimentary erratics on the coast of southwestern Finland. |
1989 |