Attributes / relations provided by
♦ ¹Diet and trophic ecology of skates in the Gulf of Alaska (Raja and Bathyraja spp.): ecological information for ecosystem–based management of demersal resources, David A. Ebert, Joseph J. Bizzarro, Simon C. Brown, Mariah D. Boyle, and Gregor M. Cailliet, NPRB Project 621 Final Report (2008)
♦ ²Diet and Ecomorphology of the Sandpaper Skate, Bathyraja kincaidii (Garman, 1908) from the Eastern North Pacific, Christopher Scott Rinewalt, Masters Thesis, California State University, Monterey Bay (2007)
♦ ³Food habits of the longnose skate, Raja rhina (Jordan and Gilbert, 1880), in central California waters, Heather J. Robinson, Gregor M. Cailliet, David A. Ebert, Environ Biol Fish (2007) 80:165–179