
The Endangered Greenland Shark, Somniosus microcephalus. Imperiled: The Encyclopedia of Conservation, 794–800
DOI: 10.1016/B978-0-12-821139-7.00106-9

Bathyraja (Arctoraja) sexoculata sp. nov., a new softnose skate (Rajiformes: Arhynchobatidae) from Simushir Island, Kuril Islands (western North Pacific), with special reference to geographic variations in Bathyraja (Arctoraja) smirnovi. Zootaxa, 4861(4), 515–543