P.columella can be associated with many trematodes, being able to serve as their intermediate host (Galton, 2011). The most common trematode associated with Pseudosuccinea columella is the sheep liver fluke, Fasciola hepatica. As the intermediate host, Pseudosuccinea columella passes this fluke on to the bodies of sheep, cattle, horses, and even humans for their infection (Dillon et al. 2006).


Below is the life cycle of Fasciola hepatica, stage four shows it's interaction with Pseudosuccinea columella.


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