| description of gyrodactylus mediotorus n. sp. (monogenea: gyrodactylidae) infecting spottail shiner (notropis hudsonius) from the st. lawrence river, canada. | gyrodactylus mediotorus n. sp. is described from the body, fins, and buccal cavity of the spottail shiner, notropis hudsonius (cyprinidae) from the st. lawrence river, quebec, canada. gyrodactylus mediotorus n. sp. is the first species of gyrodactylus nordmann, 1832 described from n. hudsonius and is characterized by large hamuli, large medial process of the ventral bar, narrow linguiform ventral bar membrane, large anterolateral processes, and marginal hooks with long shafts and distinctly shap ... | 2013 | 23883192 |