Třída: Chondrichthyes - paryby
Řád: Rajiformes - rejnoci
Čeleď: Rajidae - rejnokovití

Reference: Lloyd, R. E. 1906. Natural history notes from the R.I.M.S. ship "Investigator," Capt. T. H. Heming, R.N. (retired), commanding. Series III, No. 14. Notes on the skull of the genus Aulastomatomorpha, with descriptions of some new deep-sea fish. Ann. Mag. Nat. Hist. (Ser. 7) v. 18 (no. 106): 306-311.