Quadrigyridae is the only family within Gyracanthocephala, an order of parasitic worms of class Eoacanthocephala. This family contains two subfamilies, ten genera and about 92 species.
Contains the following species:
Acanthogyrus acanthogyrus Thapar, 1927
Acanthogyrus acanthuri (Cable and Quick, 1954)
Acanthogyrus anguillae (Wang, 1981)
Acanthogyrus antspinis (Verma and Datta, 1929)
Acanthogyrus arii (Bilgees, 1971)
Acanthogyrus bacailai (Verma, 1973)
Acanthogyrus cameroni (Gupta and Kajaji, 1969)
Acanthogyrus dattai (Podder, 1938)
Acanthogyrus giuris (Soota and Sen, 1956)
Acanthogyrus golvani (Gupta and Jain, 1980)
Acanthogyrus guptai Gupta and Verma, 1976
Acanthogyrus holospinus (Sen, 1937)
Acanthogyrus indica (Tripathi, 1959)
Acanthogyrus intermedius (Achmerov, et al., 1941)
Acanthogyrus maroccanus (Dollfus, 1951)
Acanthogyrus multispinus Wang, 1966
Acanthogyrus nigeriensis Dollfus and Golvan, 1956
Acanthogyrus oligospinus (Anantaraman, 1969)
Acanthogyrus papilo Troncy and Vassiliades, 1974
Acanthogyrus partispinus Furtado, 1963
Acanthogyrus periophthalmi (Wang, 1980)
Acanthogyrus scomberomori (Wang, 1980)
Acanthogyrus shashiensis (Tso, Chen, and Chien, 1974)
Acanthogyrus similis (Wang, 1980)
Acanthogyrus sircari (Podder, 1941)
Acanthogyrus thapari (Parasad, et al., 1969)
Acanthogyrus tilapiae (Baylis, 1948)
Acanthogyrus tripathi Rai, 1967
Acanthogyrus vittatusi (Verma, 1973)
Contains the following species:
Deltacanthus scorzai (Diaz-ungria, et al., 1957)
Contains the following species:
Devendrosentis garuai Sahay, Sinha, Gosh, 1971
Contains the following species:
Palliolisentis ornatus Machado, 1960
Palliolisentis polyonca Schmidt and Hugghins, 1973
Palliolisentis quinqueungulis Machado, 1960
Contains the following species:
Pallisentis allahabadii Agarwal, 1958
Pallisentis basiri Farooqi, 1958
Pallisentis cavasii Gupta and Verma, 1980
Pallisentis cholodkowskyi (Kostylev, 1928)
Pallisentis cleatus (Van Cleave, 1928)
Pallisentis colisai Sarkar, 1956
Pallisentis fasciata Gupta and Verma, 1980
Pallisentis gaboes (Maccallum, 1918)
Pallisentis golvani Troncy and Vassiliades, 1973
Pallisentis gomtii Gupta and Verma, 1980
Pallisentis guntei Sahay, Nath, and Sinha, 1967
Pallisentis magnum Saeed and Bilgees, 1971
Pallisentis nagpurensis (Bhalerao, 1931)
Pallisentis nandai Sarkar, 1953
Pallisentis ophiocephali (Thapar, 1931)
Pallisentis panadei Rai, 1967
Pallisentis umbellatus Van Cleave, 1928
Pallisentis ussuriensis (Kostylev, 1941)
Contains the following species:
Quadrigyrus brasiliensis Machado, 1941
Quadrigyrus chinensis Mao, 1979
Quadrigyrus nickoli Schmidt and Hugghins, 1973
Quadrigyrus rhodei Wang, 1980
Quadrigyrus torquatus Van Cleave, 1920
Contains the following species:
Raosentis podderi Datta, 1947
Raosentis thapari Rai, 1967
Contains the following species:
Saccosentis ophiocephali Jain and Gupta, 1979
Saccosentis pesteri Tadros, 1966
