| original |
Gedinnian |
|
Saudi Arabia |
Cramer,F.H. et al. Ovnia, new genus of acritarchs from the Gedinnian of Saudi Arabia. |
1977 |
| details |
Wenlockian |
Ludlovian |
Poland |
Jachowicz,M. et al. Acritarcha of Silurian formations from Myszrow area. |
1987 |
| details |
Gedinnian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Gorstian |
|
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 |
Wenlockian |
|
Saudi Arabia |
Al-Hajri,S. et al. Age and palaeoenvironment of the Sharawra Member (Silurian of North-Western Saudi Arabia) |
1998 |