| original |
Wenlockian |
|
Argentina(San Juan) |
PŠ¶the de Baldis,E.D. Wenlockian microplankton from the Argentinian Precordillera. |
1975 |
| details |
Wenlockian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Wenlockian |
|
Argentina |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |
| details |
Ludlovian |
|
Argentina |
Rubinstein,C.V. Acritarchs from the Upper Silurian of Argentina:Their relationship with Gondwana |
1995 |