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Knight Jones, E. W. (1940). The occurrence of a marine leech, Abranchus blennii n.sp., resembling A. sexoculatus (Malm), in North Wales. Journal of the Marine Biological Association of the United Kingdom. 24(2): 533-541.
Knight Jones, E. W. (1940). The occurrence of a marine leech, Abranchus blennii n.sp., resembling A. sexoculatus (Malm), in North Wales. Journal of the Marine Biological Association of the United Kingdom. 24(2): 533-541.