| original |
Late Emsian |
Early Eifelian |
Bolivia |
Wood,G.D. The Gondwanan acritarch Bimerga bensonii, gen.et sp.nov.: Paleogeographic and biostratigraphic importance in the Devonian Malvinokaffric Realm |
1995 |
| details |
Middle Givetian |
Late Givetian |
Argentina(San Juan) |
Rubinstein,C.V. Biostratigraphy, paleogeography and paleoenvironments based on palynomorphs in Ordovician, Silurian and Devonian Basins of Argentina. |
2002 |
| details |
Early Morrowan |
|
Argentina(Salta) |
di Pasquo,M. The Crassispora kosankei-Cystoptychus azcuyi Palynozone of the Upper Carboniferous Tupambi Formation, Tarija Basin, northern Argentina. |
2002 |