| details |
Ludlovian |
|
Argentina(San Juan) |
Rubinstein,C.V. Palynological investigations in the Lower Paleozoic of Argentina |
1993 |
| details |
Caradocian |
Ashgillian |
E.Germany(Karl Marx) |
Heuse,T. Upper Ordovician acritarchs from the Frankenberger Zwischengebirge (Saxony) eastern Germany |
1994 |
| details |
Ludlovian |
Pridolian |
Argentina |
Rubinstein,C.V. Acritarchs from the Upper Silurian of Argentina:Their relationship with Gondwana |
1995 |
| details |
Late Llandoverian |
Early Wenlockian |
Brazil(Paraiba) |
Rubinstein,C.V. Silurian acritarchs from South America: A review. |
1996 |
| details |
Late Ludlovian |
Pridolian |
Bolivia |
Rubinstein,C.V. Silurian acritarchs from South America: A review. |
1996 |
| details |
Late Ludlovian |
Pridolian |
Bolivia |
Rubinstein,C.V. Silurian acritarchs from South America: A review. |
1996 |
| details |
Late Llandoverian |
Early Wenlockian |
Lithuania |
Yankauskas,T.V. et al. Upper Llandoverian and Lower Wenlockian acritarch assemblages from the Ledai-179 boring in Lithuania. |
2004 |