[Taxonomic position of Serrasentoides fistulariae Paruchin, 1971 (Acanthocephala)]

The systematic position of the acanthocephalan Serrasentoides fistulariae PARUCHIN, 1971, a genus and species previously described from the fish Fistularia petimba from the Indian Ocean was examined. Based on data on the Acanthocephala as given in modern monographs the family Rhadinorhynchidae TRAVASSOS, 1923 was revised suggesting a new subfamily, Serrasentoidinae nov. subfam. An analysis of the new subfamily as well as a key for the determination of the 4 subfamilies belonging to the family Rhadinorhynchidae are given.