Checklist of the adult nematode parasites of fishes in freshwater localities from Mexico Author Garrido-Olvera, Lorena Author García-Prieto, Luis Author León, Gerardo Pérez-Ponce De text Zootaxa 2006 1201 1 45 journal article 50812 10.5281/zenodo.273411 b3fa7329-a002-4243-a7a7-cd066092c9a6 1175­5326 273411 Pseudoterranova sp. Intestine. SAN LUIS POTOSI : Fracción Sánchez: Astyanax mexicanus ( 2 ). Note : Adult members of this genus do not occur in fishes, they parasitize marine mammals, in particular pinnipeds( 3 ).