Acanthodesia Canu & Bassler, 1919 accepted as Biflustra d'Orbigny, 1852 (basis of record)
Acmostomum Schmarda, 1859 (additional source)
Acrorhynchides Strand, 1928 (additional source)
Adelosina d'Orbigny, 1826 (additional source)
Allostoma Beneden, 1861 (additional source)
Amage Malmgren, 1866 (additional source)
Amalthaea Schmidt, 1852 accepted as Corymorpha M. Sars, 1835 (additional source)
Ammobaculites Cushman, 1910 (additional source)
Ammoscalaria Höglund, 1947 (additional source)
Ancyrocephalus Creplin, 1839 (additional source)
Anoplostoma Bütschli, 1874 (additional source)
Anticoma Bastian, 1865 (additional source)
Aphalloides Dollfus, Chabaud & Golvan, 1957 (additional source)
Aphallus Poche, 1926 (additional source)
Aphanurus Looss, 1907 (additional source)
Aponurus Looss, 1907 (additional source)
Apseudopsis Norman, 1899 (additional source)
Araeolaimus de Man, 1888 (additional source)
Archilina Ax, 1959 (additional source)
Arenonemertes Friedrich, 1933 (additional source)
Argyropelecus Cocco, 1829 (additional source)
Armatoplana Faubel, 1983 (additional source)
Armorella Heron-Allen & Earland, 1932 accepted as Astrammina Rhumbler, 1931 (additional source)
Ascocotyle Looss, 1899 (additional source)
Atherina Linnaeus, 1758 (additional source)
Aubignyna Margerel, 1970 (additional source)
Axonolaimus de Man, 1889 (additional source)
Baltoplana Karling, 1949 (additional source)
Bathysiphon Sars, 1872 (additional source)
Blackfordia Mayer, 1910 (additional source)
Bothriocephalus Rudolphi, 1808 (additional source)
Bresslauilla Reisinger, 1929 (additional source)
Brinkmanniella Luther, 1943 (additional source)
Brunetia Karling, 1980 (additional source)
Bunocotyle Odhner, 1928 (additional source)
Calceostomella Palombi, 1943 (additional source)
Callipallene Flynn, 1929 (additional source)
Calyptronema Marion, 1870 (additional source)
Camacolaimus de Man, 1889 accepted as Deontolaimus de Man, 1880 (additional source)
Capsala Bosc, 1811 (additional source)
Ceratopera Den Hartog, 1964 (additional source)
Cercyra Schmidt, 1861 (additional source)
Cheironchus Cobb, 1917 (additional source)
Cheliplana de Beauchamp, 1927 (additional source)
Chromadora Bastian, 1865 (additional source)
Chromaspirina Filipjev, 1918 (additional source)
Cicerina Giard, 1904 (additional source)
Ciona Fleming, 1822 (additional source)
Cobbionema Filipjev, 1922 (additional source)
Coelogynopora Steinböck, 1924 (additional source)
Comesoma Bastian, 1865 (additional source)
Convoluta Ørsted, 1843 (additional source)
Coxliella Brandt (additional source)
Cribroelphidium Cushman & Brönnimann, 1948 (additional source)
Cryptocelis Lang, 1884 (additional source)
Cryptocotyle Lühe, 1899 (additional source)
Cyanophthalma Norenburg, 1986 (additional source)
Cyatholaimus Bastian, 1865 (additional source)
Daptonema Cobb, 1920 (additional source)
Deontolaimus de Man, 1880 (additional source)
Desmodora de Man, 1889 (additional source)
Desmoscolex Claparède, 1863 (additional source)
Dexamine Leach, 1814 (additional source)
Diascorhynchus Meixner, 1928 (additional source)
Dicrogaster Looss, 1902 (additional source)
Diplectanum Diesing, 1858 (additional source)
Diplodus Rafinesque, 1810 (additional source)
Diplolaimella Allgén, 1929 (additional source)
Diplostomum von Nordmann, 1832 (additional source)
Disconema Filipjev, 1918 (additional source)
Duplominona Karling, 1966 (additional source)
Echinobothrium Van Beneden, 1849 (additional source)
Eggerelloides Haynes, 1973 (additional source)
Elaphognathia Monod, 1926 (additional source)
Eleutheria Quatrefages, 1842 (additional source)
Eleutherolaimus Filipjev, 1922 (additional source)
Elphidium Montfort, 1808 (additional source)
Enoploides Ssaweljev, 1912 (additional source)
Enterostomula Reisinger, 1926 accepted as Allostoma Beneden, 1861 (additional source)
Ethmolaimus de Man, 1880 (additional source)
Euchromadora de Man, 1886 (additional source)
Eurystomina Filipjev, 1921 (additional source)
Euryte Philippi, 1843 (additional source)
Evadne Lovén, 1836 (additional source)
Farranula Wilson C.B., 1932 (additional source)
Filinia Bory de St. Vincent, 1824 (additional source)
Fissurina Reuss, 1850 (additional source)
Gaevskajatrema Gibson & Bray, 1982 (additional source)
Galactosomum Looss, 1899 (additional source)
Gammarinema Kinne & Gerlach, 1953 (basis of record)
Genetyllis Malmgren, 1865 accepted as Nereiphylla Blainville, 1828 (additional source)
Glomospira Rzehak, 1885 (additional source)
Gyratrix Ehrenberg, 1831 (additional source)
Halalaimus de Man, 1888 (additional source)
Halanonchus Cobb, 1920 (additional source)
Halichoanolaimus de Man, 1886 (additional source)
Haliotrema Johnston & Tiegs, 1922 (additional source)
Halobiotus Kristensen, 1982 (additional source)
Haplogonaria Dörjes, 1968 (additional source)
Haploporus Looss, 1902 (additional source)