HELLER, A.F. (1949)
Parasites of cod and other marine fish from the Baie de Chaleur region. Canadian Journal of Research, 27: 243–264
MYERS, B.J. (1959)
Parasites from elasmobranch hosts from the Magdalen Islands region of the Gulf of St. Lawrence. Canadian Journal of Zoology, 37 (3): 245–246
DOI: 10.1139/z59-029
WILLIAMS, H.H. & RICHARDS, D.H.H. (1968)
Observations on Pseudanisakis rotundata (Rudolphi, 1819) Mozgovoi, 1950, a Common but Little Known Nematode Parasite of Raia radiata Donovan in the Northern North Sea. Journal of Helminthology, 42 (1–2): 199–219
DOI: 10.1017/S0022149X00027346
SANMARTÍN, M.L. & ALVAREZ, M.F. & PERIS, D. & IGLESIAS, R. & LEIRO, J. (2000)
Parasite community study of the undulate ray Raja undulata in the Ría of Muros (Galicia, northwest Spain). Aquaculture, 184 (3–4): 189–201
DOI: 10.1016/S0044-8486(99)00332-4