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From
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To
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Geolocation
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Author - title
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Year
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| details | Tithonian | Albian | Volkheimer,W. et al. Palynological characteristics of the Upper Juarssic and Lower Cretaceous Formations of the Neuqu©n Basin, (Argenine Republic). | 1976 | |
| details | Tithonian | Volkheimer,W. Fossil microfloras. | 1978 | ||
| details | Pliensbachian | Early Toarcian | Volkheimer,W. Mesozoic microflora fossils | 1984 |