| details |
Givetian |
Frasnian |
Bolivia |
Wood,G.D. The acritarch Proteolobus wallii, gen.et sp.nov., from the Devonian Iquiri Formation of Bolivia: A possible coenobial alga. |
1997 |
| details |
Ashgillian |
|
China(Zhejiang) |
Yin,L. et al. Palynomorphs from the transitional sequences between Ordovician and Silurian of northwestern Zhejiang, South China. |
2000 |
| details |
Late Ludlovian |
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 |