Solonchenko, A. I. (1975). Family Opecoelidae Ozaki, 1926. In: Greze, V.N.; Delyamure, S.L.; Nikolaeva, V.M. (Eds). Key to the parasites of vertebrates in the Black and Azov Seas. Parasitic invertebrates of fish, fish-eating birds and marine mammals. Naukova Dumka, Kiev.: 126-133. (In Russian).