Čeleď: Arhynchobatidae Fowler, 1934
Rod: Bathyraja Ishiyama, 1958
rejnok tvrdý
Günther, A. 1877. Preliminary notes on new fishes collected in Japan during the expedition of H. M. S. `Challenger.'. Annals and Magazine of Natural History (Series 4) v. 20 (no. 119): 433-446.