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.
♦ 2Vögler, R., Milessi, A. C. and Quiñones, R. A. (2003), "Trophic ecology of Squatina guggenheim on the continental shelf off Uruguay and northern Argentina". Journal of Fish Biology, 62: 1254–1267.
♦ 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;