| details |
Aptian |
|
|
Volkheimer,W. et al. Palynological study of the Huitrin Formation, Cretaceous of the Neuqu©n Basin, and its type locality. |
1976 |
| details |
Tithonian |
|
|
Volkheimer,W. et al. Stratigraphic palynology of the Tithonian (Vaca Muerta Formation) at Caichigue (Neuqu©n Basin). Part B; Marine species. |
1977 |
| details |
Tithonian |
|
|
Volkheimer,W. et al. Stratigraphic palynology of the Tithonian (Vaca Muerta Formation) at Caichigue (Neuqu©n Basin). Part B; Marine species. |
1977 |
| details |
Tithonian |
|
|
Volkheimer,W. Fossil microfloras. |
1978 |
| details |
Tithonian |
|
|
Volkheimer,W. et al. Stratigraphic distribution of Jurassic and Cretaceous palynomorphs in the Andean Realm and neighbouring areas of Southern South America, with special consideration of the Neuqu©n Basin. |
1981 |
| details |
Berriasian |
Hauterivian |
South America |
Riccardi,A.C. The Cretaceous System of southern South America. |
1988 |