Attributes / relations provided by
♦ 1de Magalhaes, J. P., and Costa, J. (2009)
A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774
♦ 2Ontogenetic dietary shift and feeding strategy of Raja undulata Lacepède, 1802 (Chondrichthyes: Rajidae) on the Portuguese continental shelf, Teresa Moura, Ivone FigueIredo, Inês Farias, Bárbara Serra-Pereira, Ana Neves, Maria de Fátima Borges and Leonel Serrano Gordo, Scientia Marina 72(2) June 2008, 311-318
♦ 3Pollerspöck, J. & Straube, N. (2015),
Bibliography database of living/fossil sharks, rays and chimaeras
(Chondrichthyes: Elasmobranchii, Holocephali) -Host-Parasites List/Parasite-Hosts List-, World Wide Web electronic publication, Version 04/2015;
♦ 4Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005).
Host-Parasite Database of the Natural History Museum, London