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
♦ 2Diet comparison of four ray species (Raja clavata, Raja brachyura, Raja montagui and Leucoraja naevus) caught along the Portuguese continental shelf, Inês Farias, Ivone Figueiredo, Teresa Moura, Leonel Serrano Gordo, Ana Neves and Bárbara Serra-Pereira, Aquat. Living Resour. 19, 105114 (2006)
♦ 3Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014).
Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
♦ 4Feeding ecology of demersal elasmobranchs from the shelf and slope off the Balearic Sea (western Mediterranean), MARIA VALLS, ANTONI QUETGLAS, FRANCESC ORDINES and JOAN MORANTA, Scientia Marina 75(4) December 2011, 633-639, Barcelona (Spain)
♦ 5Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005).
Host-Parasite Database of the Natural History Museum, London
♦ 6Pollerspöck, 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;
