The Eocene selachian fauna from the Fayum Depression in Egypt. Palaeontographica, Abt. A, 212 (1–6): 1–30, 9 pl., 1 fig, 3 tabl.
A Middle-Late Eocene vertebrate fauna (marine fish and mammals) from southwestern Morocco; preliminary report: age and palaeobiogeographical implications. Geological Magazine, 147 (6): 860–870
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. Thesis, Zagazig University, Faculty of Science, Geology Department
Shark and ray faunas in the Middle and Late Eocene of the Fayum Area, Egypt. Proceedings of the Geologists' Association, 122 (1): 47–66
Priabonian sharks and rays (late Eocene: Neoselachii) from Minqar Tabaghbagh in the Western Qattara Depression, Egypt. Contributions from the Museum of Paleontology, University of Michigan, 32 (6): 71–90
Records of Elasmobranchian Teeth in the Bartonian of the Northern Caucasus (Russia) and Crimea (Ukraine). Paleonotological Journal, 47 (1): 98–103
Climate cooling and clade competition likely drove the decline of lamniform sharks. Proceedings of the National Academy of Sciences of the United States of America, 116 (41) 20584-20590