| original |
Late Ludlovian |
|
Spain |
Cramer,F.H. et al. Acritarchs from the San Pedro Formation (Upper Silurian) from Torrestio, Leon Province, Spain. |
1976 |
| details |
Early Paleozoic |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Llandoverian |
|
Jordan |
Keegan,J.B. et al. Palynostratigraphy of the Lower Palaeozoic, Cambrian to Silurian, sediments of the Hashemite Kingdom of Jordan. (In: Special Issue: Circum-Mediterranean Palynology. B.Owens and H.Visscher, editors) |
1990 |
| details |
Late Ludlovian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| 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 Ludlovian |
|
Spain |
Le H©riss©,A. Characteristics of the acritarch recovery in the early Silurian of Saudi Arabia. |
2000 |