Die Elasmobranchier-Fauna des Gebel Dist Member der Bahariya Formation (Obercenoman) der Oase Bahariya, Ägypten. Palaeo Ichthyologica, 5, 1–112
A new locality of Late Cretaceous snakes, mammals and other vertebrates in Africa (western Libya). Annales de Paléontologie, 84(3–4), 265–274
DOI: 10.1016/S0753-3969(99)80002-0
The Palaeozoic, Mesozoic and Early Cenozoic fishes of Africa. Fish and Fisheries, 1(2), 111–145
DOI: 10.1046/j.1467-2979.2000.00015.x