Abrotrocha accepted as Habrotrocha Bryce, 1910 (extant flag source)
Abrotrocha accepted as Habrotrocha Bryce, 1910 (basis of record)
Acyclus Leidy, 1882 (basis of record)
Acyclus Leidy, 1882 (extant flag source)
Adineta Hudson in Hudson & Gosse, 1886 (basis of record)
Adineta Hudson in Hudson & Gosse, 1886 (extant flag source)
Albertia Dujardin, 1838 (extant flag source)
Albertia Dujardin, 1838 (basis of record)
Ascomorpha Perty, 1850 (extant flag source)
Ascomorpha Perty, 1850 (basis of record)
Asplanchna Gosse, 1850 (extant flag source)
Asplanchna Gosse, 1850 (basis of record)
Asplanchnopus Guerne, 1888 (basis of record)
Asplanchnopus Guerne, 1888 (extant flag source)
Balatro Claparède, 1867 (basis of record)
Balatro Claparède, 1867 (extant flag source)
Birgea Harring & Myers, 1922 (basis of record)
Birgea Harring & Myers, 1922 (extant flag source)
Brachionus Pallas, 1766 (basis of record)
Brachionus Pallas, 1766 (extant flag source)
Bradyscela Bryce, 1910 (basis of record)
Bradyscela Bryce, 1910 (extant flag source)
Bryceella Remane in Bronn, 1929 (basis of record)
Bryceella Remane in Bronn, 1929 (extant flag source)
Cephalodella Bory de St. Vincent, 1826 (extant flag source)
Cephalodella Bory de St. Vincent, 1826 (basis of record)
Ceratotrocha Bryce, 1910 (basis of record)
Ceratotrocha Bryce, 1910 (extant flag source)
Collotheca Harring, 1913 (basis of record)
Collotheca Harring, 1913 (extant flag source)
Conochiloides Hlava, 1904 (extant flag source)
Conochiloides Hlava, 1904 (basis of record)
Conochilus Ehrenberg, 1834 (extant flag source)
Conochilus Ehrenberg, 1834 (basis of record)
Dicranophorus Nitzsch in Ersch & Gruber, 1827 (basis of record)
Dicranophorus Nitzsch in Ersch & Gruber, 1827 (extant flag source)
Embata Bryce, 1910 (basis of record)
Embata Bryce, 1910 (extant flag source)
Encentrum Ehrenberg, 1838 (basis of record)
Encentrum Ehrenberg, 1838 (extant flag source)
Floscularia Cuvier, 1798 (extant flag source)
Floscularia Cuvier, 1798 (basis of record)
Gastropus Imhof, 1898 (extant flag source)
Gastropus Imhof, 1898 (basis of record)
Habrotrocha Bryce, 1910 (extant flag source)
Habrotrocha Bryce, 1910 (basis of record)
Halolindia Remane in Bronn, 1933 (extant flag source)
Halolindia Remane in Bronn, 1933 (basis of record)
Harringia Beauchamp, 1912 (extant flag source)
Harringia Beauchamp, 1912 (basis of record)
Henoceros Milne, 1916 (basis of record)
Henoceros Milne, 1916 (extant flag source)
Hexarthra Schmarda, 1854 (basis of record)
Hexarthra Schmarda, 1854 (extant flag source)
Horaella Downer, 1949 (extant flag source)
Horaella Downer, 1949 (basis of record)
Itura Harring & Myers, 1927 (basis of record)
Itura Harring & Myers, 1927 (extant flag source)
Kellicottia Ahlstrom, 1938 (extant flag source)
Kellicottia Ahlstrom, 1938 (basis of record)
Keratella Bory de St. Vincent, 1822 (basis of record)
Keratella Bory de St. Vincent, 1822 (extant flag source)
Lacinularia Schweigger, 1820 (basis of record)
Lacinularia Schweigger, 1820 (extant flag source)
Lecane Nitzsch in Ersch & Gruber, 1827 (extant flag source)
Lecane Nitzsch in Ersch & Gruber, 1827 (basis of record)
Limnias Schrank, 1803 (extant flag source)
Limnias Schrank, 1803 (basis of record)
Lindia Dujardin, 1841 (basis of record)
Lindia Dujardin, 1841 (extant flag source)
Macrotrachela Milne, 1886 (extant flag source)
Macrotrachela Milne, 1886 (basis of record)
Mniobia Bryce, 1910 (basis of record)
Mniobia Bryce, 1910 (extant flag source)
Monommata Bartsch, 1870 (extant flag source)
Monommata Bartsch, 1870 (basis of record)
Monostyla Ehrenberg, 1830 accepted as Lecane Nitzsch in Ersch & Gruber, 1827 (basis of record)
Monostyla Ehrenberg, 1830 accepted as Lecane Nitzsch in Ersch & Gruber, 1827 (extant flag source)
Notholca Gosse in Hudson & Gosse, 1886 (basis of record)
Notholca Gosse in Hudson & Gosse, 1886 (extant flag source)
Notommata Ehrenberg, 1830 (extant flag source)
Notommata Ehrenberg, 1830 (basis of record)
Otostephanos accepted as Otostephanus Milne, 1916 (extant flag source)
Otostephanos accepted as Otostephanus Milne, 1916 (basis of record)
Philodina Ehrenberg, 1830 (basis of record)
Philodina Ehrenberg, 1830 (extant flag source)
Philodinavus Harring, 1913 (basis of record)
Philodinavus Harring, 1913 (extant flag source)
Platyias Harring, 1913 (basis of record)
Platyias Harring, 1913 (extant flag source)
Pleurotrocha Ehrenberg, 1831 (basis of record)
Pleurotrocha Ehrenberg, 1831 (extant flag source)
Ploesoma Herrick, 1885 (basis of record)
Ploesoma Herrick, 1885 (extant flag source)
Polyarthra Ehrenberg, 1834 (basis of record)
Polyarthra Ehrenberg, 1834 (extant flag source)
Pompholyx Gosse, 1851 (extant flag source)
Pompholyx Gosse, 1851 (basis of record)
Proales Gosse in Hudson & Gosse, 1886 (extant flag source)
Proales Gosse in Hudson & Gosse, 1886 (basis of record)