1. Allam A, Shamah K, Zalat A (1991) Biostratigraphy of the middle Eocene succession at Gebel Mishgigah, Wadi Rayan, Libyan Desert, Egypt. Journal of African Earth Sciences 12(3): 449–459
2. Apostolescu V (1961) Contribution à l’étude paléontologique (Ostracodes) et stratigraphique des bassins Crétacées et Tertiaires de l’Afrique Occidentale. Rév Inst Franç Pétrole, Pau 16: 779–867
3. Aref M (1982) Micropaleontology and biostratigraphy of Eocene rocks in the area between Assiut and Beni Suef of the Nile Valley, Egypt. Ph D Thesis, Assiut University, Egypt
4. Azab MM (1984) Biostratigraphy of the middle Eocene in Upper Egypt. Ph. D. Thesis, Ain Shams University, Egypt
5. Baird W (1845) Arrangement of the British Entomostraca, with a list of species, particularly noticing those which have as yet been discovered within the bounds of the Club. Hist Berwicksh Nat Club 2: 145–148