Attributes / relations provided by
♦ ¹Analysis of stomach contents of the porbeagle shark (Lamna nasus Bonnaterre) in the northwest Atlantic, W. N. Joyce, S. E. Campana, L. J. Natanson, N. E. Kohler, H. L. Pratt Jr, and C. F. Jensen, ICES Journal of Marine Science, 59: 1263–1269. 2002
♦ ²Trophic ecology of deep-water fishes associated with the continental slope of the eastern Norwegian Sea, Otte Bjelland, Odd Aksel Bergstad, Jon Egil Skjæraasen & Kenneth Meland, Sarsia 85:101-117 – 2000