Opisthorchiidae

Opisthorchiidae is a family of digenean trematodes. Opisthorchiidae have cosmopolitan distribution.^[1]

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

The most medically important species in the family Opisthorchiidae are Clonorchis sinensis, Opisthorchis viverrini, and Opisthorchis felineus,^[1] that are causes of the disease clonorchiasis.^[1]

Some species are parasites of economically important fish, e.g. Clarias gariepinus.^[2]

Clonorchis sinensis

Opisthorchis viverrini

Subfamilies

Thirteen subfamilies are in the family Opisthorchiidae:^[1] but their number is inconsistent:^[1]

• Allogomtiotrematinae - Gupta, 1955; Yamaguti, 1958 - two genera
• Aphallinae - Yamaguti, 1958 - one genus
• Delphinicolinae - Yamaguti, 1933 - one genus
• Diasiellinae - Yamaguti, 1958 - one genus
• Metorchiinae - Luhe, 1909 - four genera
• Oesophagicolinae - Yamaguti, 1933 - one genus
• Opisthorchiinae - Yamaguti, 1899 - 14 genera
• Pachytrematinae - Railliet, 1919; Ejsmont, 1931 - one genus
• Plotnikoviinae - Skrjabin, 1945; Skrjabin et Petrov, 1950 - one genus
• Pseudamphimerinae - Skrjabin et Petrov, 1950 - three genera
• Pseudamphistominae - Yamaguti, 1958 - two genera
• Ratziinae - Dollfus, 1929; Price, 1940 - one genus
• Tubangorchiinae - Yamaguti, 1958 - one genus

Genera

The family Opisthorchiidae consists of 33 valid genera:^[1]

• Agrawalotrema Sahay & Sahay, 1988
• Allogomtiotrema Yamaguti, 1958
• Amphimerus Barker, 1911
• Cladocystis Poche, 1926
• Clonorchis Looss, 1907
• Cyclorchis Luhe, 1908
• Delphinicola Yamaguti, 1933
• Diasiella Travassos, 1949
• Erschoviorchis Skrjabin, 1945
• Euamphimerus Yamaguti, 1941
• Evranorchis Skrjabin, 1944
• Gomtia Thapar, 1930
• Hepatiarius Fedzullaev, 1961
• Holometra Looss, 1899
• Metametorchis Morozov, 1939
• Metorchis Looss, 1899
• Microtrema Kobayashi, 1915
• Nigerina Baugh, 1958
• Oesophagicola Yamaguti, 1933
• Opisthorchis Blanchard, 1895
• Pachytrema Looss, 1907
• Parametorchis Skrjabin, 1913
• Paropisthorchis Stephens, 1912
• Plotnikovia Skrjabin, 1945
• Pseudamphimerus Gower, 1940
• Pseudamphistomum Luhe, 1908
• Pseudogomtiotrema Gupta & Jain, 1991
• Ratzia Poche, 1926
• Satyapalia Lakshminarayana & Hafeezullah, 1974
• Thaparotrema Gupta, 1955
• Trionychotrema Chin & Zhang, 1981
• Tubangorchis Skrjabin, 1944
• Witenbergia Vaz, 1932

References

1. King, S.; Scholz, T. Š. (2001). "Trematodes of the family Opisthorchiidae: A minireview". The Korean Journal of Parasitology. 39 (3): 209–221. doi:10.3347/kjp.2001.39.3.209. PMC 2721069. PMID 11590910.
2. Jansen van Rensburg, C., van As, J.G. & King, P.H. 2013. New records of digenean parasites of Clarias gariepinus (Pisces: Clariidae) from the Okavango Delta, Botswana, with description of Thaparotrema botswanensis sp. n. (Plathelminthes: Trematoda). African Invertebrates 54 (2): 431–446.