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Author - title
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| details | Nd | Nd | Zippi,P.A. Freshwater algae from the Mattagami Formation (Albian) Ontario: Paleoecology, botanical affinities and systematic taxonomy | 1998 | |
| details | Middle 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 |