Procamallanus (Spirocamallanus) sp.
Intestine.
CHIAPAS: La Angostura: Ictalurus furcatus (148). TABASCO: El Rosario: Astyanax fasciatus, Centropomus parallelus, Strongylura sp.(40, 148). VERACRUZ: La Antigua: Gobiomorus dormitor (93); Catemaco: Dorosoma petenense (133).
Note: Specimens recorded as Spirocamallanus sp.(40, 148), which is currently a subgenus of Procamallanus (101).