Stehmann, M. (1970)
Vergleichend morphologische und anatomische Untersuchungen zur Neuordnung der Systematik der nordostatlantischen Rajidae (Chondrichthyes, Batoidei). Archiv für Fischereiwissenschaft, 21(2), 73–164
Capapé, C. & Desoutter, M. (1981)
Nouvelle description de Raja (Raja) clavata Linnaeus, 1758 et note sur la validite de Raja (Raja) capensis Müller et Henle, 1841. Cybium, 5(4), 23–39
Lloris, D. (1986)
Ictiofauna demersal y aspectos biogeográficos de la costa Sudoccidental de Africa (SWA/NAMIBIA). Monografías de zoología marina, Instituto de Ciencias del Mar, Barcelona, Consejo Superior de Investigaciones Científicas, 1: 429pp
Bauchot, M.-L. (1987)
Requins, Raies et autres Batoides, Chimeres in: Fischer W., Schneider M & M.–L. Bauchot(eds.): Fiches FAO d'identification des especes pour les besoins de la peche.(Revision l). Mediterranee et Mer Noire. Zone de peche 37. Vol. 2 Vertebres. Rome, CEE, FAO:: 767–890
Gordon, J.D.M. & Duncan, J.A.R. (1989)
A Note on The Distribution and Diet of Deep-Water Rays (Rajidae) in An Area of The Rockall Trough. Journal of the Marine Biological Association of the United Kingdom, 69(3), 655–658
DOI: 10.1017/S0025315400031040
Bergstad, O.A. (1990)
Ecology of the fishes of the Norwegian Deep: Distribution and species assemblages. Netherlands Journal of Sea Research, 25(1–2), 237–266
DOI: 10.1016/0077-7579(90)90025-C
Deynat, P.P. & Brito, P.M.M. (1994)
Révision des tubercules cutanés de raies (Chondrichthyes, Batoidea) du Bassin du Paraná, tertiaire d'Amérique du Sud. Annales de Paléontologie, 80(4), 237–251
Herman, J. & Hovestadt-Euler, M. & Hovestadt, D.C. & Stehmann, M. (1995)
Contributions to the study of the comparative morphology of teeth and other relevant ichthyodorulites in living supraspecific taxa of chondrichthyan fishes. Part B: Batomorphii No. 1b: Order: Rajoidei - Family: Rajidae Genera and Subgenera: Bathyraja (with a deep-water, shallow-water and transitional morphotype) Psammobatis, Raja (Amblyraja), Raja (Dipturus), Raja (Leucoraja), Raja (Raja), Raja (Rajella) (with two morphotypes), Raja (Rioraja), Raja (Rostroraja), Raja lintea and Sympterygia. Bulletin de l'Institut Royal des Sciences Naturelles de Belgique, Biologie, 65, 237–307
Deynat, P.P. & Séret, B. (1996)
Le revêtement cutané des raies (Chondrichthyes, Elasmobranchii, Batoidea). I- Morphologie et arrangement des denticules cutanés. Annales des Sciences Naturelles – Zoologie et Biologie Animale, 17(2), 65–83
Lanfranco, G.G. (1996)
The fish around Malta (Central Mediterranean). Progress Press Co. Ltd.(Malta). 132 p.
Santos, R.S. & Porteiro, F.M. & Barreiros, J.P. (1997)
Marine fishes of the Azores. Annotated checklist and bibliography. A catalogue of the Azorean Marine Ichthyodiversity. Bulletin of the University of the Azores, Arquipelago–Ciências Biológicas e Marinhas, Supplement 1: xxvii, 1–244, fig. 1
Camhi, M.D. & Fowler, S. & Musik, J. & Brautigam, A. & Fordham, S.V. (1998)
Sharks and their relatives. Ecology and conservation. Occasional papers of the IUCN species survival commission, 20, 39p.
Deynat, P.P. (1998)
Le revêtement cutané des raies (Chondrichthyes, Elasmobranchii, Batoidea). II. Morphologie et arrangement des tubercules cutanés . Annales des Sciences Naturelles – Zoologie et Biologie Animale, 19(3–4), 155–172
DOI: 10.1016/S0003-4339(99)80004-5
Raibaut, A. & Combes, C. & Benoit, F. (1998)
Analysis of the parasitic copepod species richness among Mediterranean fish. Journal of Marine Systems, 15(1–4), 185–206
DOI: 10.1016/S0924-7963(97)00079-1
Deynat, P.P. (2000)
Dermal denticle morphology within Batoid rays: a review. Proc. 3rd EEA Meet., Boulogne–sur–Mer, 1999. Séret B. & J.–Y. Sire, eds., Paris: Soc. Fr. Ichtyol. & IRD: 15–27
Relini, G. & Mannini, A. & Piano, T. (2003)
Annotated checklist of the skates (Chondrichthyes, Rajidae) in the Northern Ligurian Sea. Biologia Marina Mediterranea, 10(2), 882–885
Farrag, M.M.S. & El-Naggar, H.A. & Abou-Mahmoud, M.M.A. & Alabssawy, A.N. & Ahmed, H.O. & Abo-Taleb, H.A. & Kostas, K. (2019)
Marine biodiversity patterns off Alexandria area, southeastern Mediterranean Sea, Egypt. Environmental Monitoring and Assessment, 191(6), 367
DOI: 10.1007/s10661-019-7471-7