Guerreiro, Miguel & Phillips, Richard A & Cherel, Yves & Ceia, Filipe R & Alvito, Pedro & Rosa, Rui & Xavier, José C. 2015. Habitat and trophic ecology of Southern Ocean cephalopods from stable isotope analyses. Marine Ecology Progress Series, published online on June 18, 2015. doi:10.3354/meps11266
Harvey, James T.; Friend, Theresa; McHuron, Elizabeth A. Cephalopod remains from stomachs of sperm whales (Physeter macrocephalus) that mass-stranded along the Oregon coast. Marine Mammal Science. April 2014, 30 (2): 609–625. doi:10.1111/mms.12063.