INTRODUCTION
CLASSIFICATION AND TAXONOMY
-
Valid genera of Opisthorchiidae
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
-
Subfamilies of Opisthorchiidae
Allogomtiotrematinae (Gupta, 1955) Yamaguti, 1958 (2)
Aphallinae Yamaguti, 1958 (1)
Delphinicolinae Yamaguti, 1933 (1)
Diasiellinae Yamaguti, 1958 (1)
Metorchiinae Luhe, 1909 (4)
Oesophagicolinae Yamaguti, 1933 (1)
Opisthorchiinae Yamaguti, 1899 (14)
Pachytrematinae (Railliet, 1919) Ejsmont, 1931 (1)
Plotnikoviinae (Skrjabin, 1945) Skrjabin et Petrov, 1950 (1)
Pseudamphimerinae Skrjabin et Petrov, 1950 (3)
Pseudamphistominae Yamaguti, 1958 (2)
Ratziinae (Dollfus, 1929) Price, 1940 (1)
Tubangorchiinae Yamaguti, 1958 (1)
-
Position of Family Opisthorchiidae according to Brooks et al. (1985):
-
Order Opisthorchiiformes La Rue, 1957
Diagnosis: Digenea with oculate cercariae; secondary excretory pore in cercariae terminal; acetabulum in adults midventral; spinose adult body; rediae without appendages; cercariae encyst in next host; mesostomate cercarial excretory system; cercarial tail not furcate; cercarial excretory bladder lined with epithelium; oviduct seminal receptacle present; primary excretory pore in cercariae extending short distance into tail; dorsoventral fin fold present on cercarial tail; eggs small, generally less than 40 µm long; eggs ingested and hatch in molluscan host; no cirrus sac; no cirrus.
-
Order Opisthorchiiformes also includes family Cryptogonimidae Ward, 1917 and family Heterophyidae Odhner, 1914.
Family Opisthorchiidae Looss, 1899Diagnosis: as above. Parasitic in pulmonate and prosobranch gastropods, in fish, and in liver, gall bladder, bile duct, and rarely intestine of fish, amphibians, reptiles, birds and mammals. Cosmopolitan.
-
SURVEY OF GENERA
-
Opisthorchiinae
-
Agrawalotrema Sahay & Sahay, 1988
-
Amphimerus Barker, 1911
-
Clonorchis Looss, 1907
-
Cladocystis Poche, 1926
-
Cyclorchis Lühe, 1908
-
Evranorchis Skrjabin, 1944
-
Gomtia Thapar, 1930
-
Type species: Gomtia piscicola Thapar, 1930
Type host: Siluroid fishType locality: River Gomti, Lucknow, India Hepatiarius Feizullaev, 1961Type species: Hepatiarius longissimus (syn. Distomum longissimus Linstow, 1883) Feizullaev, 1961Type host: Ardea stellaris (Aves: Ciconiiformes: Ardeidae)Type locality: Turkestan, Asia
-
-
Nigerina Baugh, 1958
-
Opisthorchis Blanchard, 1895
-
Paropisthorchis Stephens, 1912
-
Pseudogomtiotrema Gupta & Jain, 1991
Thaparotrema Gupta, 1955
-
Trionychotrema Chin & Zhang, 1981
-
-
Plotnikoviinae
-
Plotnikovia Skrjabin, 1945
-
Type species: Plotnikovia podilymbae (Olsen, 1938) (syn. Diasia podilymbae Olsen, 1938) (Original specific name podilymbae corrected to podilymbi Olsen, 1939 (Yamaguti, 1971))
Type host: Podiceps podiceps (Aves: Ciconiiformes: Podicipedidae), Gavia immer (Aves: Ciconiiformes: Gaviidae)Type locality: Minnesota, USA
-
-
DEFINITIVE HOSTS
-
Birds
Amphimerus Barker, 1911
Cladocystis Poche, 1926
Clonorchis Looss, 1907
Diasiella Travassos, 1949
Erschoviorchis Skrjabin, 1945
Euamphimerus Yamaguti, 1941
Hepatiarius Fedzullaev, 1961
Holometra Looss, 1899
Metametorchis Morozov, 1939
Metorchis Looss, 1899
Nigerina Baugh, 1958
Opisthorchis Blanchard, 1895
Pachytrema Looss, 1907
Plotnikovia Skrjabin, 1945
Pseudamphimerus Gower, 1940
Tubangorchis Skrjabin, 1944