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Geolocation
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Author - title
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Year
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| original | Early Aptian | Argentina(Santa Cruz) | Taylor,W.A. et al. Ulstrastructural analysis of selected Cretaceous megaspores from Argentina | 1988 | |
| details | Early Aptian | Argentina(Santa Cruz) | Kedves,M. Tranmission Electron Microscopy of the Fossil Spores. | 1996 | |
| details | Barremian | Aptian | Argentina(Patagonia) | Archangelsky,S. et al. Morphology and structure of megaspores from the Cretaceous of Patagonia, Republic of Argentina. | 1990 |