Opisthorchis

**Definition:** A genus of trematode liver flukes of the family Opisthorchidae. It consists of the following species: O. felineus, O. noverca (Amphimerus noverca), and O. viverrini. The intermediate hosts are snails, fish, and AMPHIBIANS.

**Tree numbers:** - B01.050.500.500.736.715.520.700