| original |
Tithonian |
|
|
Volkheimer,W. et al. Palynology of the Tithonian (Vaca Muerta Formation ), of Caichigue area, Nequen Province, Central Western Argentina. Part A: Terrestrial species. |
1975 |
| original |
Early Tithonian |
|
|
Volkheimer,W. et al. Palynomorphs. (In: South America and Antarctic Peninsula. A.C.Riccardi et al. (In: Jurassic taxa ranges and correlation charts for the Circum Pacific. G.E.G.Westerman and A.C.Riccardi, editor) |
1990 |
| original |
Portlandian |
|
Argentina |
Sarjeant,W.A.S. et al. Jurassic palynomorphs of the Circum-Pacific Region. (In: The Jurassic of the Circum-Pacific. G.E.G Westermann, editor) |
1992 |