| a new species of euryhaliotrematoides plaisance & kritsky, 2004 (monogenea: dactylogyridae) from the gills of the spotted rose snapper lutjanus guttatus (steindachner) (perciformes: lutjanidae). | euryhaliotrematoides mehen n. sp. (monogenea: dactylogyridae) is described based on specimens collected from the gills of the spotted rose snapper lutjanus guttatus (steindachner) off mazatlan, sinaloa, on the northwestern coast of mexico. the synapomorphy of this genus is the presence of a funnel-shaped base of the male copulatory organ. this new species differs from all other species of the genus by possessing a male copulatory organ with a base with a thickened margin and a membranous accesso ... | 2012 | 22581247 |