1. Atz, J. W. 1964. Intersexuality in fishes. Pages 145–232in C. N. Armstrong and A. J. Marshall, eds. Intersexuality in vertebrates including man. Academic Press, London, 479 pp.
2. Capape, C. 1974. Anomalie de l’appareil urogenital chezTorpedo (Torpedo) marmorata Risso, 1810. Arch. Inst. Pasteur Tunis, 51 (4): 321–328.
3. Capape, C. and J. P. Zahnd. 1974. Cas d’hermaphrodisme chezSeyliorhinus canicula (Linné, 1758). Bull. Inst. Oceanogr. Peche, Salammbo, 3(1/4): 131–137.
4. Capape, C., A. Chadli and A. Baouendi. 1979. Cas d’hermaphorodisme chezScyliorhinus stellaris (Linné, 1758) (Pisces, Scyliorhinidae) etude morphologique et histologique. Arch. Inst. Pasteur Tunis, 56(3): 343–351.
5. Compagno, L.J.V. 1984. FAO species catalogue, vol. 4. Sharks of the world, part 1. FAO Fish. Synop. No. 125, Vol. 4, Pt. 1, viii + 249 pp.