Opisthorchidae

**Definition:** A family of lanceolate liver flukes of the class Trematoda which occurs in animals and man. There are several genera including Amphimerus, Cyclorchis, Delphinicola, Metorchis, Parametorchis, Phocitrema, Clonorchis, and Opisthorchis.

**Tree numbers:** - B01.050.500.500.736.715.520