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Kohn, A. (1967). Sôbre um nôvo gênero de Prosorhynchinae Nicoll, 1914 e novos dados sôbre Prosorhynchus bulbosus Kohn, 1961 e Rhipidocotyle quadriculatum Kohn, 1961 (Trematoda, Bucephaliformes). Memórias do Instituto Oswaldo Cruz. 65(1): 107-114.