Literature
- Albuquerque, R. M. 1954-1956. Peixes de Portugal e ilhas adjacentes. Chavas para a sua determinação. Port. Acta biol., ser. B, 5: xvi+1167 pp., 445 fig.
- Bigelow, H. B.; Schroeder, W. C. 1957. A study of the sharks of the suborder Squaloidea. Bull. Mus. comp. Zool. Harv., 117 (1) :1-150, fig. 1-16, pl. IIV.
- Blache, J.; Cadenat, J.; Stauch, A. 1970. Clés de détermination des poissons de mer signalés dans l'Atlantique Oriental (entre le 20e parallèle N. et le l5e parallèle S.). Faune tropicale, 18: 479 pp., 1152 fig.
- Bocage, J. V. B.; Capello, F. de 1864. Sur quelques espéces inédites de Squalidae de la tribu Acanthiana, Gray, qui fréquentent les côtes du Portugal. Proc. zool. Soc. Lond.: 260-263, fig. 1-5.
- Bocage, J. V. B.; Capello, F. de 1866. Notes pour servir à l'ichthyologie du Portugal. Poissons Plagiostomes, pt. I. Squales: 40 p., 3 pl.
- Collett, R. 1905a. Meddelelser om Norges Fiske i Aarene 1884-1901(3 die Hoved-Supplement til 'Norges Fiske', III Slutning). Forh. Vidensk. Selsk. Krist., (7) :1-173.
- Fowler, H. W. 1936. The Marine Fishes of West Africa, based on the collection of the American Museum Congo Expedition 1909-1915. Bull. am. Mus. nat. Hist., 70 (1), Jan. 21,.
- Garman, S. 1913. The Plagiostomia (Sharks, Skates, and Rays). Mem. Mus. comp. Zool. Harv., 36: xiii+528 p., 77 pl.
- Garrick, J. A. F. 1959a. Studies on New Zealand Elasmobranchii. Part Vll. The identity of specimens of Centrophorus from New Zealand. Trans. R. Soc. N.Z., 86: 127-141, fig. 1-5.
- Goode, G. B.; Bean, T. H. 1896. Oceanic ichthyology, a treatise on the deep-sea and pelagic fishes of the world, based chiefly upon the collections made by steamers Blake, Albatross and Fish Hawk in the northwestern Atlantic. Smithson. Contrib. Knowl., 30 and Spec. Bull U.S. natn. Mus., 1895 [.
- Günther, A. 1870. Catalogue of the fishes in the British Museum. 8. Catalogue of the Physostomi containing the families Gymnotidae, Symbranchidae, Muraenidae, Pegasidae and of the Lophobranchii, Plectognathi, Dipnoi, Ganoidei, Chondropterygii, Cyclostomata, Leptocardii in the collection of the British Museum. London, xxv+549 pp.
- Ledoux, J. C. 1970. Les dents des Squalidés de la Méditerranée occidentale et de l'Atlantique Nord-ouest africain. Vie Milieu, 21 (2A): pp. 309-362, 21 fig.
- Lozano y Rey, L. 1928. Fauna Ibérica. Pesces (Generalidades, Ciclóstomos y Elasmobranquios). Mus. Nac. Ciencias Nat., Madrid, 1:1-692,197 fig., 20 pl.
- Maurin, C.; Bonnet, M. 1970. Poissons des côtes nord-ouest africaines (Campagnes de la 'Thalassa', 1962 et 1968). Rev. Trav. Inst. (scient. tech.) Pech. marit., 34 (2): 125-170, fig. 1-26.
- Nobre, A. 1935. Fauna marinha de Portugal. 1. Vertebrados (Mamiferos, Reptis e Peixes), Porto.: pp. Ixxxiv+1-21 (Mamiferos); pp. 1-5 (Reptis); pp. 1-574 (Peixes), pl. 1-77, phot. 1-64.
- Regan, C. T. 1908c. A synopsis of sharks of the family Squalidae. Ann. Mag. nat. Hist., (8) 2: 39-57.
- Saemundsson, B. 1926. Fiskarnir (Pisces Islandiae). Islensk Dyr, 1. xvi+528 pp., 266 fig.
- Saemundsson, B. 1932b. Centrophorus calceus, C. squamosus, C. jonsonii. In: L. Joubin, ed., Faune ichthyol. Atlant. N., Copenhagen: fiches no. 2426.