| distribution of lymnaeidae (mollusca: pulmonata), intermediate snail hosts of fasciola hepatica in venezuela. | an extensive malacological survey was carried out between 2005-2009 in order to clarify the exact number of lymnaeid species which may be intermediate hosts of fasciola hepatica in venezuela. four species were discovered during this survey, including two local species: lymnaea cubensis and lymnaea cousini and two exotic species: lymnaea truncatula and lymnaea columella. the most common local species was l. cubensis which was found at 16 out of the 298 sampling sites. this species has a large dis ... | 2009 | 19820844 |