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| details | Hauterivian | Barremian | China(Inner Mongolia) | Liu,Z.-S. et al. Early Cretaceous sporo-pollen assemblages from the Xieersu Formation in the Qianjiadian Basin of Nei Mongol | 1988 |
| details | Hauterivian | Barremian | China(Inner Mongolia) | Xu,Y. et al. Spores and pollen (Jurassic). (In: Mesozoic Stratigraphy and Palaeontology of the Shan-Gan-Ning Basin.) | 1980 |