1. Origin of the qatara depression, Egypt;Albritton;Geol. Soc. Am. Bull.,1990
2. Lettre sur quelques points de'organisation des animaux rayonnes;Agassiz;Paris. Comptes Rendus,1847
3. Paleo-environments of the Exposed Eocene Sediments between Wadi El-Hitan and East Siwa in the Egyptian Western Desert Based on Their Faunal Content Especially the Vertebrates;Antar,2011
4. Lower tertiary Aturia from Palestine;Avnimelech;J. Paleontol.,1943
5. Description geo1ogique du bassin tertiaire du Sud Ouest de la France. - Description de coquilles fossiles des environs de Bordeaux. - Univa1ves;Basterot,1825