Trematodes that have medical importance Species Reside in Clonorchis sinensis hepatic bile duct Fasciolopsis buski Small intestine Paragonimus westermani Lung subcutaneous, etc Schistosoma japonicum portal system S. mansoni etcSpecies Reside in Clonorchis sinensis hepatic bile duct Fasciolopsis buski Small intestine Paragonimus westermani Lung, subcutaneous, etc. Schistosoma japonicum S.mansoni, etc portal system Trematodes that have medical importance