Sharks, rays and chimaeras: the status of the Chondrichthyan fishes. Status survey
Fowler, S.L.; Cavanagh, R.D.; Camhi, M.; Burgess, G.H.; Cailliet, G.M.; Fordham, S.V.; Simpendorfer, C.A.; Musick, J.A. (Ed.) (2005). Sharks, rays and chimaeras: the status of the Chondrichthyan fishes. Status survey. IUCN/SSC Shark Specialist Group: Gland. ISBN 2-8317-0700-5. X, 461 pp.