Oshmarin & Zharikova 1984. [A new species of the trematode genus Cortinasoma ocadiae gen. et sp. nov. (Pronocephalata, Pronocephalidae) - a parasite of freshwater turtles from Vietnam.] Mamaev, Yu.L.[Ed]. [Parasites of animals and plants.], Akademiya Nauk SSSR, Vladivostock, 1984: 3-16. Chapter pagination: 44-50