References

PD Olson (2008). Hox genes and the parasitic flatworms: new opportunities, challenges and lessons from the free-living. Parasitology International 57:8-17.

PD Olson, DTJ Littlewood, RA Bray and J Mariaux (2001). Interrelationships and evolution of the tapeworms (Platyhelminthes: Cestoda). Molecular Phylogenetics and Evolution 18:443-467.