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Geolocation
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Author - title
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Year
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| details | Maastrichtian | Danian | California | Xu,Y. et al. Spores and pollen (Jurassic). (In: Mesozoic Stratigraphy and Palaeontology of the Shan-Gan-Ning Basin.) | 1980 |
| details | Middle Jurassic | China(Shansi) | Yin,F.-J. et al. Middle Jurassic Sporopollen Assemblage from the Yan'an Formation in Binxian County, Shaanxi Province and its significance. | 1999 |