Opisthorchiidae

Opisthorchiidae
Clonorchis sinensis under a light microscope
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Platyhelminthes
Class: Trematoda
Order: Plagiorchiida
Suborder: Opisthorchiata
Superfamily: Opisthorchioidea
Family: Opisthorchiidae
Looss, 1899

Opisthorchiidae is a family of digenean trematodes. Opisthorchiidae have cosmopolitan distribution.

The most medically important species in the family Opisthorchiidae are Clonorchis sinensis, Opisthorchis viverrini, and Opisthorchis felineus, that are causes of the disease clonorchiasis.

Some species are parasites of economically important fish, e.g. Clarias gariepinus.