1. Abu Shama AM (2007) Biostratigraphy and distribution of calcareous nannofossils of the Miocene rocks from the onshore Mallaha-1X and Abu Roda-1 wells, Northwestern Sinai. Egypt J Paleont 7:147–169
2. Arafa AA (1982) Calcareous nannofossils from the Kareem Formation (Middle Miocene), Gulf of Suez area, Egypt. N Jb Geol Paläont Mh 1982:449–455
3. Arafa AA (1991) Nannoplankton and planktonic foraminiferal zonation of the lower Miocene sequence in Gebel Hadahid, south west Sinai, Egypt. Egypt J Geol 35(1–2):275–284
4. Backman J (1980) Miocene-Pliocene nannofossils and sedimentation rates in the Hatton-Rockall basin, NE Atlantic Ocean
5. Báldi-Béke M (1984) A dunántúli paleogén képzodmények nannoklaktonja. Geol Hungar Sér Paleont 7:43