original |
Middle Givetian |
Early Frasnian |
Australia(W.Australia) |
Colbath,G.K. Devonian, (Givetian-Frasnian) organic-walled phytoplankton from the Limestone Billy Hills, Reef complex, Canning Basin, Western Australia. |
1990 |
original |
Late Aeronian |
Early Telychian |
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 |
original |
Middle Pridolian |
|
Libya |
Le H©riss©,A. Paleoecology, biostratigraphy and biogeography of late Silurian to early Devonian acritarchs and prasinophycean phycomata in well A161, Western Libya, North Africa |
2002 |