1. Biostratigraphy and distribution of calcareous nannofossils of the Miocene rocks from the onshore mallaha-1X and Abu roda-1 wells, northwestern Sinai, Egypt;Abu Shama;Egyptian Journal of Paleontology,2007
2. Calcareous nannofossil biostratigraphy: historical background and application in Cenozoic chronostratigraphy;Agnini;Lethaia,2017
3. Cenozoic and Cretaceous biochronology of planktonic foraminifera and calcareous nannofossils;Anthonissen,2012
4. Calcareous nannofossil stratigraphy of the lemme-carrosio paleogene/neogene global stratotype section and point (NW Italy);Aubry;Giorn. Geol.,1996
5. Chattian-aquitanian calcareous nannofossil biostratigraphy of the Nukhul Formation in Wadi Baba section, west central Sinai, Egypt;Ayyad;Stratigraphy,2016