Garrick, J.A.F. & Paul, L.J. (1974)
The taxonomy of New Zealand Skates (Suborder Rajoidea), with descriptions of three new species. Journal of the Royal Society of New Zealand, 4(3), 345–377
McEachran, J.D. (1984)
Anatomical investigations of the New Zealand skates Bathyraja asperula and B. spinifera, with an evaluation of their classification within the Rajoidei (Chondrichthyes). Copeia, 1984(1), 45–58
Hardy, G.S. (1990)
Fish types in the National Museum of New Zealand. National Museum of New Zealand, Miscellaneous Series, 21, 1–17