Acuariidae Railliet, Henry & Sisoff, 1912 (basis of record)
Acuariinae Railliet, Henry & Sisoff, 1912 (basis of record)
Acuarioidea Railliet, Henry & Sisoff, 1912 (basis of record)
Anisakidae Railliet & Henry, 1912 (basis of record)
Anisakinae Railliet & Henry, 1912 (basis of record)
Anisakis Dujardin, 1845 (basis of record)
Ascaridoidea Baird, 1853 (basis of record)
Ascarophis van Beneden, 1871 (basis of record)
Capillariinae Railliet, 1915 (basis of record)
Contracaecinae Mozgovoi & Shakhmatova, 1971 (basis of record)
Contracaecum Railliet & Henry, 1912 (basis of record)
Cosmocephalus Molin, 1858 (basis of record)
Cucullanidae Cobbold, 1864 (basis of record)
Cucullaninae Cobbold, 1864 (basis of record)
Cucullanus Müller, 1777 (basis of record)
Cystidicolidae Skrjabin, 1946 (basis of record)
Cystoopsidae Skrjabin, 1923 (basis of record)
Cystoopsinae (Skrjabin, 1923) (basis of record)
Cystoopsis Wagner, 1867 (basis of record)
Dichelyne Jägerskiöld, 1902 (basis of record)
Dracunculoidea Stiles, 1907 (basis of record)
Echinocephalus Molin, 1858 (basis of record)
Gnathostomatidae Railliet, 1895 (basis of record)
Gnathostomatinae (Railliet, 1895) (basis of record)
Gnathostomatoidea Railliet, 1895 (basis of record)
Habronematoidea Ivaschkin, 1961 (basis of record)
Philometra Costa, 1845 (basis of record)
Philometridae Baylis & Daubney, 1926 (basis of record)
Philometrinae Baylis & Daubney, 1926 (basis of record)
Physalopteridae Railliet, 1893 (basis of record)
Physalopteroidea Railliet, 1893 (basis of record)
Proleptinae Schulz, 1927 (basis of record)
Proleptus Dujardin, 1845 (basis of record)
Pseudocapillaria Freitas, 1959 (basis of record)
Raphidascaridinea Hartwich, 1954 (basis of record)
Seuratiinae Chitwood & Wehr, 1932 (basis of record)
Seuratoidea Hall, 1916 (basis of record)
Spinitectus Fourment, 1883 (basis of record)
Spirurina (basis of record)
Streptocara Railliet, Henry & Sisoff, 1912 (basis of record)
Trichinelloidea Ward, 1907 (basis of record)