Reference
Omar Mohamed, Ahmed Mansour, Sameh S. Tahoun, Ashraf M. T. Elewa, Muhammad Ali Mekkey (2018): Palynology of the Cenomanian Raha Formation, Gulf of Suez, Egypt: Biostratigraphical, palaeoenvironmental and palaeobiogeographical implications – Austrian Journal of Earth Sciences – 111: 135 - 154.