• Abrochtha Bryce, 1910
• Acanthodactylus Tessin, 1890 accepted as Trichocerca Lamarck, 1801
• Actinurus Ehrenberg, 1830 accepted as Rotaria Scopoli, 1777
• Acyclus Leidy, 1882
• Adactyla Barrois & Daday, 1894 accepted as Proalides Beauchamp, 1907
• Adineta Hudson, 1886
• Albertia Dujardin, 1838
• Allodicranophorus De Smet, 2015
• Amphibolidina Schmarda, 1850 (uncertain > taxon inquirendum)
• Anapus Bergendal, 1892 accepted as Ascomorpha Perty, 1850
• Anarthra Hood, 1895 accepted as Polyarthra Ehrenberg, 1834
• Anchitestudinella Bērziņš, 1973
• Anelcodiscus Leidy, 1852 (uncertain > taxon inquirendum)
• Anomopus Piovanelli, 1903
• Anourella Bory de St. Vincent, 1822 accepted as Keratella Bory de St. Vincent, 1822
• Anthos Schoch, 1868 (uncertain > taxon inquirendum)
• Anuraea Ehrenberg, 1832 accepted as Keratella Bory de St. Vincent, 1822
• Anuraeopsis Lauterborn, 1900
• Apodoides Joseph, 1879 (uncertain)
• Apoecia Hunt, 1897 (unaccepted > nomen nudum)
• Apsilus Mecznikow, 1866 accepted as Cupelopagis Forbes, 1882
• Apus Schoch, 1868 accepted as Asplanchna Gosse, 1850
• Argonotholca Gillard, 1948 accepted as Notholca Gosse, 1886
• Arthracanthus Schmarda, 1854 accepted as Brachionus Pallas, 1766
• Arthrocanthus Schmarda, 1859 accepted as Brachionus Pallas, 1766
• Arthroglena Bergendal, 1892 accepted as Dicranophorus Nitzsch, 1827
• Asciaporrecta De Smet, 2006
• Ascomorpha Perty, 1850
• Ascomorphella Wiszniewski, 1953
• Aspelta Harring & Myers, 1928
• Asplanchna Gosse, 1850
• Asplanchnella Sudzuki, 1964 accepted as Asplanchna Gosse, 1850
• Asplanchnopus Guerne, 1888
• Atrochus Wierzejski, 1893
• Balatro Claparède, 1867
• Beauchampia Harring, 1913
• Beauchampiella Remane, 1929
• Bipalpus Wierzejski & Zacharias, 1893 accepted as Ploesoma Herrick, 1885
• Birgea Harring & Myers, 1922
• Bothriocerca Eichwald, 1847 accepted as Trichocerca Lamarck, 1801
• Brachionus Pallas, 1766
• Bradyscela Bryce, 1910
• Brochocerca Werneck, 1841 (unaccepted > nomen nudum)
• Bryceella Remane, 1929
• Callidina Ehrenberg, 1830 (uncertain > taxon inquirendum)
• Cathypna Gosse, 1886 accepted as Lecane Nitzsch, 1827
• Cephalodella Bory de St. Vincent, 1826
• Cephalosiphon Ehrenberg, 1853 accepted as Limnias Schrank, 1803
• Ceratotrocha Bryce, 1910
• Chromogaster Lauterborn, 1893 accepted as Ascomorpha Perty, 1850
• Claria Kutikova, Markevich & Spiridonov, 1990
• Cochleare Gosse, 1886 (uncertain > taxon inquirendum)
• Coelopus Gosse, 1886 accepted as Trichocerca Lamarck, 1801
• Collotheca Harring, 1913
• Colurella Bory De St. Vincent, 1823
• Colurus Ehrenberg, 1830 accepted as Colurella Bory De St. Vincent, 1823
• Conochiloides Hlava, 1904
• Conochilopsis Segers & Wallace, 2001
• Conochilus Ehrenberg, 1834
• Copeus Ehrenberg, 1838 accepted as Notommata Ehrenberg, 1830
• Cordylosoma Voigt, 1904 (uncertain > taxon inquirendum)
• Coronella Goldfuß, 1820 accepted as Stephanoceros Ehrenberg, 1832
• Coronistomus Örstan, 2021
• Cotylegaleata De Smet, 2007
• Crumena Nitzsch, 1827 (uncertain > taxon inquirendum)
• Ctenodon Ehrenberg, 1838 accepted as Epiphanes Ehrenberg, 1832
• Cupelopagis Forbes, 1882
• Cycloglena Ehrenberg, 1831 (uncertain > taxon inquirendum)
• Cypridicola Daday, 1893 (uncertain > taxon inquirendum)
• Cyrtonia Rousselet, 1894
• Cystophthalmus Corda, 1836 (uncertain > taxon inquirendum)
• Dadayus Gallagher, 1957 accepted as Brachionus Pallas, 1766
• Dapidia Gosse, 1887 accepted as Euchlanis Ehrenberg, 1830
• Dekinia Morren, 1830 accepted as Dicranophorus Nitzsch, 1827
• Diarthra Daday, 1897 accepted as Lecane Nitzsch, 1827
• Diaschiza Gosse, 1886 accepted as Cephalodella Bory de St. Vincent, 1826
• Dicranella Myers, 1936 accepted as Pedipartia Myers, 1937
• Dicranophoroides De Smet, 1997
• Dicranophorus Nitzsch, 1827
• Dictyoderma Lauterborn, 1893 accepted as Ploesoma Herrick, 1885
• Dictyophora Leidy, 1857 accepted as Cupelopagis Forbes, 1882
• Didymodactylos Milne, 1916
• Diglena Ehrenberg, 1830 accepted as Cephalodella Bory de St. Vincent, 1826
• Dinocharis Ehrenberg, 1830 accepted as Trichotria Bory De St. Vincent, 1827
• Dinops Rousselet, 1891 accepted as Harringia Beauchamp, 1911
• Diops Bergendal, 1892 accepted as Proales Gosse, 1886
• Diplacidium Lauterborn, 1913 accepted as Mytilina Bory de St. Vincent, 1826
• Diplax Gosse, 1851 accepted as Mytilina Bory de St. Vincent, 1826
• Dipleuchlanis Beauchamp, 1910
• Diplois Gosse, 1886
• Diplotrocha Schmarda, 1854 (uncertain > taxon inquirendum)
• Dipodina Ehrenberg, 1842 (uncertain > taxon inquirendum)
• Discopus Zelinka, 1887 accepted as Zelinkiella Harring, 1913
• Dispinthera Gosse, 1887 (uncertain > taxon inquirendum)
• Dissotrocha Bryce, 1910
• Distemma Ehrenberg, 1830 accepted as Dicranophorus Nitzsch, 1827
• Distyla Eckstein, 1883 accepted as Lecane Nitzsch, 1827
• Diurella Bory de St. Vincent, 1824 accepted as Trichocerca Lamarck, 1801
• Diurellaeopsis Sudzuki, 1964 accepted as Trichocerca Lamarck, 1801
• Donneria De Smet, 2003