Attributes / relations provided by
♦ 1Jorrit 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.
♦ 2Distribution and feeding ecology of Raja radiata in the northeastern North Sea and Skagerrak (Norwegian Deep), J. E. Skjæraasen, and O. A. Bergstad, ICES Journal of Marine Science, 57: 12491260. 2000
♦ 3Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005).
Host-Parasite Database of the Natural History Museum, London