| details |
Nd |
|
Nd |
Lister,T.R. The acritarchs and chitinozoa from the Wenlockian and Ludlowvian series of the Ludlovian and Millichope areas, Shrophire. |
1970 |
| details |
Late Llandoverian |
|
Canada(Gaspe Area) |
Achab,A. Palynostratigraphic study of several Layers of Silurian Formations of the Lac Matapedia Cyncline |
1975 |
| details |
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 |
Llandoverian |
Wenlockian |
Ireland |
Smith,D.G. Progress in Irish Lower Palaeozoic palynology. |
1981 |
| details |
Late Frasnian |
|
France(Boulonnais) |
Loboziak,S. et al. Miospores and acritarchs of the Hydrequent Formation (Upper Frasnian to Lower Famennian, Boulonnais, France). |
1983 |
| original |
Late Carboniferous |
|
Australia(Tasmania) |
Truswell,E.M. Palynology. (In: The stratigraphy of a Late Palaeozoic borehole section at Douglas River, eastern Tasmania; A Synthesis of marine macro-Invertebrate and palynological data. Calver, C.R. Clarke, M.J. and Truswell, E.M.) |
1984 |
| details |
Gedinnian |
|
France |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
| details |
Gorstian |
|
Sweden(Gotland) |
Stricanne,L. et al. Acritarch distribution along an inshore-offshore transect in the Gorstian (lower Ludlow) of Gotland, Sweden |
2004 |