Stehmann, M. (1970)
Vergleichend morphologische und anatomische Untersuchungen zur Neuordnung der Systematik der nordostatlantischen Rajidae (Chondrichthyes, Batoidei). Archiv für Fischereiwissenschaft, 21(2), 73–164
Stehmann, M. & Bürkel, D.L. (1984)
General remarks, explanation of terms and mode of presentation for Hypotremata, Pristidae, Torpedinidae, Rajidae, Chimaeridae, Rhinochimaeridae In Whitehead, P.J.P., Bauchot, M.–L., Hureau, J.C., Nielsen, J. & E. Tortonese (Eds.), Fishes of the North–Eastern Atlantic and the Mediterranean. Vol. 1. (pp. 151–155, 159–196, 212–218). Unesco, Paris
Ishihara, H. & Ishiyama, R. (1986)
Systematics and distribution of the skates of the north Pacific. In Uyeno, T. & Arai, R. & Taniuchi, T. & Matsuura, K. (Eds) Proceedings of the second international conference on Indo-Pacific fishes. Ichthyological Society of Japan, Tokyo: 269–280
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
Okamura, O. & Amaoka, K. & Takeda, M. & Yano, K. & Okada, K. & Chikuni, S. (1995)
Fishes collected by the R/V Shinkai Maru around Greenland. Japan Marine Fishery Resources Research Center, 304pp
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
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
Stein, D.L. & Felley, J.D. & Vecchione, M. (2005)
ROV observations of benthic fishes in the Northwind and Canada Basins, Arctic Ocean. Polar Biology, 28(3), 232–237
DOI: 10.1007/s00300-004-0696-z