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Geolocation
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Author - title
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Year
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| details | Middle Cretaceous | China | Su,D. et al. Late Mesozoic biostratigraphy of nonmarine ostracoda and pollen and spores in China. | 1983 | |
| details | Late Cretaceous | China | Qu,L. Advance in Mesozoic palynological researches for thirty years. | 1987 | |
| details | Maastrichtian | Canada(Alberta) | Srivastava,S.K. Systematic description of some spores from the Edmonton Formation (Maestrichtian), Alberta, Canada. | 1972 |