Misawa, R.; Orlov, A. M.; Orlova, S. Y.; Gordeev, I. I.; Ishihara, H.; Hamatsu, T.; Ueda, Y.; Fujiwara, K.; Endo, H.; Kai, Y.

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 2020, 4861, 515–543.