Literature
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- Clark, R. S. 1926. Rays and Skates, a revision of the european species. Fisheries, Scotland, Scient. Invest., (1) :1-66, fig. 1-42, pl. 1-36.
- Holt, E. W. L.; Byrne, L. W. 1908b. Second report on the fishes of the Irish atlantic slope. Fish. Irel. scient. Inv., 1906 [1908], 5: pp. 1-63, 2 fig., 5 pl. Also publ. in Rep. Sea inld Fish. Ire., 1906 [1909], 2: pp. 141-202, 2 fig., 5 pl.
- Stehmann, M. 1970. Vergleichend morphologische und anatomische Untersuchungen zur Neuordnung der Systematik der nordostatlantischen Rajidae (Chondrichthyes, Batoidei). Arch. FischWiss., 21(2): 73-163,1 fig., pl. 1-27.
- Stehmann, M. 1978. Raja bathypila, eine Doppelart des Subgenus Rajella: Wiederbeschreibung von R. bathyphila Holt & Byrne, 1908 und Raja bigelowi spec. nov. (Piscles, Rajiformes, Rajidae). Arch. FischWiss. 29 (1/2): 23-58, fig. 1-15.