| original |
Late Ludlovian |
|
Spain |
Diez,M.D.C.R. et al. Acritarchs and miospores from the Ludlovian of Corniero, Leon, Spain. |
1976 |
| details |
Late Ludlovian |
Early Gedinnian |
Spain |
Diez,M.D.C.R. et al. Acritarchs and miospores from the Ludlovian of Corniero, Leon, Spain. |
1976 |
| details |
Early Paleozoic |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Ludlovian |
Pridolian |
Spain |
Rodriguez Gonzalez,R.M. Palynology of the Upper Silurian-Lower Devonian Formations of the Cantabrica Cordillera, Northeast Spain. |
1983 |
| details |
Ludlovian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Early Ludfordian |
|
Saudi Arabia |
Le H©riss©,A. et al. Stratigraphic and paleogeographical significance of Silurian acritarchs from Saudi Arabia. (In: Palaeozoic Palynostratigraphy of the Kingdom of Saudi Arabia. B.Owens et al, editors) |
1995 |
| details |
Ludlovian |
|
Saudi Arabia |
Molyneux,S.G. et al. Paleozoic phytoplankton. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Late Ludfordian |
Pridolian |
Worldwide |
Molyneux,S.G. et al. Paleozoic phytoplankton. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Ludlovian |
|
Saudi Arabia |
Le H©riss©,A. et al. Biogeography of Late Silurian acritarchs and Prasinophytes |
1997 |
| details |
Ludlovian |
|
Spain |
Le H©riss©,A. et al. Biogeography of Late Silurian acritarchs and Prasinophytes |
1997 |
| details |
Middle Telychian |
Late Telychian |
Saudi Arabia |
Le H©riss©,A. Characteristics of the acritarch recovery in the early Silurian of Saudi Arabia. |
2000 |
| details |
Late Llandoverian |
|
Brazil(Paraiba) |
Le H©riss©,A. et al. Palynological characterization and dating of the TianguЎ Formation, Serra Grande Group, Northern Brazil. (In: Correla§ўo de SeqмЄncias Paleozгicas Sul-Americanas (J.H.G.Melo and G.J.S.Terra, editors. 25 CiЄncia-T©cnica-Petrгleo.) |
2001 |