Proceedings of the Biological Society of Washington 1981 94(4):1205-1210

Potamotrygonocotyle tsalickisi, new genus and species (Monogenea: Monocotylidae) and Paraheteronchocotyle amazonensis, new genus and species (Monogenea: Hexabothriidae) from Potamotrygon circularis Garman (Chondrichthyes: Potamotrygonidae) in north western Brazil

Monte A Myers, Daniel R Brooks, Thomas B Thorson

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