Agrachanus Tichomirova in Ivashkin, Sobolve & Khomorova, 1971 (source of synonymy)
Anguillicolidae Yamaguti, 1935 (redescription)
Anguillicoloides Moravec & Taraschewski, 1988 accepted as Anguillicola Yamaguti, 1935 (redescription)
Anguillicoloides crassus (Kuwahara, Niimi & Itagaki, 1974) Moravec & Taraschewski, 1988 accepted as Anguillicola crassus Kuwahara, Niimi & Itagaki, 1974 (redescription)
Anguillicoloides crassus (Kuwahara, Niimi & Itagaki, 1974) Moravec & Taraschewski, 1988 accepted as Anguillicola crassus Kuwahara, Niimi & Itagaki, 1974 (source of synonymy)
Anguillicoloides novaezelandiae Moravec & Taraschewski, 1988 accepted as Anguillicola novaezelandiae Moravec & Tcharaschewsky, 1988 (redescription)
Anisakis simplex (Rudolphi, 1809) Dujardin, 1845 (redescription)
Anisakis typica (Diesing, 1860) Baylis, 1920 (additional source)
Ascaris labiata Rudolphi, 1809 accepted as Raphidascaris (Raphidascaris) acus (Bloch, 1779) Railliet & Henry, 1915 (basis of record)
Ascaris sphaerocephala Rudolphi, 1809 accepted as Cucullanus sphaerocephalus (Rudolphi, 1809) Baylis, 1939 (basis of record)
Ascarophis van Beneden, 1871 (redescription)
Ascarophis morrhuae van Beneden, 1871 (additional source)
Ascarophis skrjabini (Layman, 1933) Polyanski, 1952 (redescription)
Avioserpens mosgovoyi Supyaga, 1965 (redescription)
Bacudacnitis Ferraz & Thatcher, 1988 accepted as Cucullanus Müller, 1777 (additional source)
Bulbodacnitis Lane, 1916 accepted as Cucullanus Müller, 1777 (additional source)
Bulbodacnitis ampullastoma Maggenti, 1971 accepted as Cucullanus truttae Fabricius, 1794 (source of synonymy)
Bulbodacnitis occidentalis Smedley, 1933 accepted as Cucullanus truttae Fabricius, 1794 (source of synonymy)
Bulbodacnitis scotti Simon, 1935 accepted as Cucullanus scotti (Simon, 1935) accepted as Cucullanus truttae Fabricius, 1794 (source of synonymy)
Camallanidae Railliet & Henry, 1915 (redescription)
Camallanoidea Travassos, 1920 (redescription)
Camallanus Railliet & Henry, 1915 (redescription)
Camallanus lacustris (Zoega in Müller, 1776) Railliet & Henry, 1915 (redescription)
Camallanus truncatus (Rudolphi, 1814) Railliet & Henry, 1915 (redescription)
Capillaria acerinae Thieme, 1961 accepted as Schulmanela petruschewskii (Schulman, 1948) Ivashkin, 1964 (source of synonymy)
Capillospirura Skrjabin, 1924 (redescription)
Capillospirura argumentosa (Skryabina, 1966) Appy & Anderson, 1982 (redescription)
Capillospirura ovotrichuria Skrjabin, 1924 (redescription)
Comephoronema Layman, 1933 (redescription)
Comephoronema oschmarini Trofimenko, 1974 (redescription)
Contracaecum microcephalum (Rudolphi, 1809) Baylis, 1920 (redescription)
Contracaecum micropapillatum (Stossich, 1890) Baylis, 1920 (redescription)
Contracaecum nehli Karokhin, 1949 accepted as Contracaecum ovale (Linstow, 1907) Baylis, 1920 (source of synonymy)
Contracaecum osculatum (Rudolphi, 1802) Baylis, 1920 (redescription)
Contracaecum ovale (Linstow, 1907) Baylis, 1920 (additional source)
Contracaecum rudolphii Hartwich, 1964 (redescription)
Contracaecum spasskii Mozgovoi, 1950 accepted as Contracaecum ovale (Linstow, 1907) Baylis, 1920 (source of synonymy)
Cosmocephalus obvelatus (Creplin, 1825) Seurat, 1919 (redescription)
Cucullanidae Cobbold, 1864 (redescription)
Cucullanus Müller, 1777 (redescription)
Cucullanus cirratus Müller, 1777 (redescription)
Cucullanus dogieli Krotas, 1959 (redescription)
Cucullanus elegans Zeder, 1800 accepted as Camallanus lacustris (Zoega in Müller, 1776) Railliet & Henry, 1915 (source of synonymy)
Cucullanus heterochrous Rudolphi, 1802 (redescription)
Cucullanus sphaerocephalus (Rudolphi, 1809) Baylis, 1939 (redescription)
Cucullanus stelmioides (Vessichelli, 1910) accepted as Cucullanus truttae Fabricius, 1794 (source of synonymy)
Cucullanus truttae Fabricius, 1794 (redescription)
Cyclozone Dogiel, 1932 (redescription)
Cyclozone acipenserina Dogiel, 1932 (redescription)
Cystidicola Fisher, 1798 (redescription)
Cystidicola farionis Fischer, 1798 (redescription)
Cystidicolidae Skrjabin, 1946 (redescription)
Cystoopsis Wagner, 1867 (redescription)
Cystoopsis acipenseris Wagner, 1867 (redescription)
Dacnitis Dujardin, 1845 accepted as Cucullanus Müller, 1777 (additional source)
Dacnitis gadorum Van Beneden, 1858 accepted as Cucullanus cirratus Müller, 1777 (additional source)
Daniconema Moravec & Køie, 1987 (redescription)
Daniconema anguillae Moravec & Køie, 1987 (redescription)
Daniconematidae Moravec & Køie, 1987 (redescription)
Desmidocercella incognita Solonitsin, 1932 (basis of record)
Desmidocercella numidica (Seurat, 1920) Yorke & Maplestone, 1926 (redescription)
Desportesius brevicaudatus (Dujardin, 1845) (redescription)
Dichelyne Jägerskiöld, 1902 (additional source)
Dichelyne (Cucullanellus) minutus (Rudolphi, 1819) (redescription)
Dioctophymatidae Castellani & Chalmers, 1910 (redescription)
Dioctophymatoidea Castellani & Chalmers, 1910 (additional source)
Dioctophyme renale (Goeze, 1782) Collet-Meygret, 1802 (redescription)
Dracunculoidea Stiles, 1907 (redescription)
Esocinema Moravec, 1977 (redescription)
Esocinema bohemicum Moravec, 1977 (redescription)
Esocineminae Moravec, 2006 (redescription)
Eustrongylides Jägerskiöld, 1909 (redescription)
Eustrongylides excisus Jägerskiöld, 1909 (redescription)
Eustrongylides mergorum (Rudolphi, 1809) (redescription)
Eustrongylides tubifex (Nitzsch in Rudolphi, 1819) Jägerskiöld, 1909 (redescription)
Filaria piscium Rudolphi, 1809 (taxonomy source)
Gnathostoma hispidum Fedtschenko, 1872 (redescription)
Gnathostoma spinigerum Owen, 1836 (redescription)
Goezia Zeder, 1800 (redescription)
Goezia anguillae Lèbre & Petter, 1983 (redescription)
Goezia ascaroides (Goeze, 1782) Railliet & Henry, 1915 (redescription)
Habronematoidea Ivaschkin, 1961 (redescription)
Hysterothylacium bidentatum (Linstow, 1899) Deardorff & Overstreet, 1981 (redescription)
Hysterothylacium fabri (Rudolphi, 1819) Deardorff & Overstreet, 1980 (redescription)
Hystrichis Dujardin, 1845 (additional source)
Hystrichis tricolor Dujardin, 1845 (redescription)
Ichthyobronema Gnedina & Savina, 1930 (redescription)
Ichthyobronema hamulatum (Moulton, 1931) Moravec, 1994 (redescription)
Kalmanmolnaria Sokolov, 2006 (redescription)
Lucionema Moravec, Molnár & Székely, 1998 (redescription)
Lucionema balatonense Moravec, Molnár & Székely, 1998 (redescription)
Lucionematidae Moravec, Molnár & Székely, 1998 (redescription)
Paracapillaria (Paracapillaria) gibsoni Moravec, 1987 (redescription)
Paracuaria adunca (Creplin, 1846) Anderson & Wong, 1981 (redescription)
Paranisakis parva Kreis, 1937 accepted as Raphidascaris (Raphidascaris) acus (Bloch, 1779) Railliet & Henry, 1915 (source of synonymy)
Paraquimperia Baylis, 1934 (redescription)
Paraquimperia tenerrima (von Linstow, 1878) Baylis, 1934 (redescription)
Philometra Costa, 1845 (redescription)
Philometra cyprinirutili (Creplin, 1825) Moravec, 2004 (redescription)
Philometra kotlani (Molnár, 1969) Moravec, 1971 (redescription)