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Geolocation
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Author - title
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Year
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| original | Middle Albian | Early Cenomanian | Colorado | Pannella,G. Palynology of the Dakota Group and Graneros Shale of the Denver Basin. | 1966 |
| details | Early Cretaceous | China(Kansu) | Hsм,J. et al. Sporo-pollen assemblage and geological age of the Lower Xinminbu Formation of Chiuchuan, Kansu, (Gansu). | 1974 |