morphological and molecular description of eight new species of gyrodactylus von nordmann, 1832 (platyhelminthes: monogenea) from poeciliid fishes, collected in their natural distribution range in the gulf of mexico slope, mexico. | eight new species of gyrodactylus are described from poecilia mexicana, poeciliopsis gracilis, pseudoxiphophorus bimaculatus [syn. = heterandria bimaculata], and xiphophorus hellerii collected in the nautla and la antigua river basins in veracruz, and in the tecolutla river basin in puebla, mexico. analyzing the morphology of the marginal hooks, gyrodactylus pseudobullatarudis n. sp. and gyrodactylus xtachuna n. sp. are both very similar to gyrodactylus bullatarudis; gyrodactylus takoke n. sp. r ... | 2015 | 26091759 |