The<unk>  is a human liver fluke in the class Trematoda, Phylum Platyhelminthes. This parasite lives in the liver of humans, and is found mainly in the common bile duct and gall bladder, feeding on bile. These animals, which are believed to be the third most prevalent worm parasite in the world, are endemic to Japan, China, Taiwan, and Southeast Asia, currently infecting an estimated 30,000,000 humans.
Clonorchis sinensis
Fasciola hepatica
Schistosoma mansoni
Ancylostoma duodenale
Echinococcus multilocularis
Entamoeba histolytica
Ascaris lumbricoides
Strongyloides stercoralis