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Author - title
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Year
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| details | Aptian | Maestrichtian | Brazil(Rio Grande Norte) | Arai,M. et al. Cretaceous dinoflagellate provincialism in Brazilian marginal basins. | 2000 |
| details | Late Albian | Early Cenomanian | Iraq | Al-Ameri,T.K. et al. Palynostratigraphy and palynofacies indications of depositional environments and source potential for hydrocarbons: the Mid Cretaceous Nahr Umr and lower Mauddud Formations, Iraq. | 2001 |