Literature
- Günther, A. 1877. Preliminary notes on new fishes collected in Japan during the expedition of H.M.S. 'Challenger'. Ann. Mag. nat. Hist., (4) 20: pp. 433-446.
- Ishiyama, R.; Hubbs, C. L. 1968. Bathyraja, a genus of pacific skates (Rajidae) regarded as phyletically distinct from the atlantic genus Breviraja. Copeia,.