| original |
Middle Jurassic |
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Volkheimer,W. Spores and pollen of the Jurassic of Neuqu©n (Republic of Argentina). |
1968 |
| details |
Bajocian |
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Volkheimer,W. Advancement of the Microbiostratigraphy of the Jurassic in Argentina and comparison with other Regions of the Southern Heisphere |
1971 |
| details |
Bajocian |
|
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Volkheimer,W. Stratigraphic distribution of spores and pollen in the Lower and Middle Jurassic of the Neuqu©n Basin Argentina. |
1971 |
| details |
Bajocian |
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Volkheimer,W. Fossil microfloras. |
1978 |
| details |
Bajocian |
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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 |