Asplanchna priodonta Gosse, 1850 (additional source)
Asplanchnidae Eckstein, 1883 (additional source)
Brachionidae Ehrenberg, 1838 (additional source)
Brachionus angularis Gosse, 1851 (additional source)
Brachionus angularis angularis Gosse, 1851 (additional source)
Brachionus angularis bidens Plate, 1886 (additional source)
Brachionus asplanchnoides Charin, 1947 (source of synonymy)
Brachionus calyciflorus Pallas, 1766 (additional source)
Brachionus calyciflorus calyciflorus Pallas, 1776 (additional source)
Brachionus calyciflorus f. amphiceros Ehrenberg, 1838 accepted as Brachionus calyciflorus calyciflorus Pallas, 1776 (source of synonymy)
Brachionus calyciflorus f. dorcas Gosse, 1851 accepted as Brachionus calyciflorus calyciflorus Pallas, 1776 (source of synonymy)
Brachionus diversicornis (Daday, 1883) (additional source)
Brachionus diversicornis diversicornis (Daday, 1883) accepted as Brachionus diversicornis (Daday, 1883) (source of synonymy)
Brachionus plicatilis Müller, 1786 (additional source)
Brachionus quadridentatus Hermann, 1783 (additional source)
Brachionus quadridentatus f. ancylognathus Schmarda, 1859 accepted as Brachionus quadridentatus quadridentatus Hermann, 1783 (source of synonymy)
Brachionus quadridentatus quadridentatus Hermann, 1783 (basis of record)
Brachionus rotundiformis Tschugunoff, 1921 (basis of record)
Brachionus rubens Ehrenberg, 1838 (additional source)
Brachionus urceolaris Müller, 1773 (additional source)
Brachionus urceus (Linnaeus, 1758) accepted as Brachionus urceolaris Müller, 1773 (source of synonymy)
Colurella adriatica Ehrenberg, 1831 (additional source)
Colurella colurus (Ehrenberg, 1830) (additional source)
Dicranophoridae Harring, 1913 (additional source)
Encentrum marinum (Dujardin, 1841) (additional source)
Euchlanidae Ehrenberg, 1838 (basis of record)
Euchlanis dilatata Ehrenberg, 1832 (additional source)
Eurotatoria (basis of record)
Filinia longiseta (Ehrenberg, 1834) (additional source)
Filinia terminalis (Plate, 1886) (additional source)
Flosculariaceae (additional source)
Gnesiotrocha (basis of record)
Hexarthra fennica (Levander, 1892) (additional source)
Hexarthridae Bartos, 1959 (basis of record)
Kellicottia longispina (Kellicott, 1879) (additional source)
Keratella cochlearis (Gosse, 1851) (additional source)
Keratella cochlearis tecta (Gosse, 1851) accepted as Keratella tecta (Gosse, 1851) (source of synonymy)
Keratella cruciformis (Thompson, 1892) (additional source)
Keratella quadrata (Müller, 1786) (additional source)
Keratella quadrata dispersa Carlin, 1943 (additional source)
Keratella quadrata frenzeli (Müller, 1786) accepted as Keratella quadrata quadrata Müller, 1786 (source of synonymy)
Keratella quadrata quadrata Müller, 1786 (additional source)
Keratella quadrata reticulata Carlin, 1943 accepted as Keratella quadrata quadrata Müller, 1786 (source of synonymy)
Keratella tecta (Gosse, 1851) (additional source)
Keratella tropica (Apstein, 1907) (basis of record)
Keratella tropica reducta Fadeev, 1927 accepted as Keratella tropica (Apstein, 1907) (source of synonymy)
Keratella tropica tropica (Apstein, 1907) accepted as Keratella tropica (Apstein, 1907) (source of synonymy)
Keratella valga (Ehrenberg, 1834) (additional source)
Keratella valga valga (Ehrenberg, 1834) accepted as Keratella valga (Ehrenberg, 1834) (source of synonymy)
Lecane grandis (Murray, 1913) (additional source)
Lecanidae Remane, 1933 (additional source)
Lepadellidae Harring, 1913 (basis of record)
Monogononta (additional source)
Notholca acuminata (Ehrenberg, 1832) (additional source)
Notholca striata (Müller, 1786) (additional source)
Philodina roseola Ehrenberg, 1832 (additional source)
Philodinidae Ehrenberg, 1838 (additional source)
Ploima (additional source)
Polyarthra remata Skorikov, 1896 (additional source)
Polyarthra vulgaris Carlin, 1943 (additional source)
Proales reinhardti (Ehrenberg, 1834) (additional source)
Proales similis de Beauchamp, 1907 (additional source)
Proalidae Harring & Myers, 1924 (basis of record)
Pseudotrocha (basis of record)
Rotaria tardigrada (Ehrenberg, 1830) (additional source)
Rotaria tridens (Montet, 1915) (additional source)
Rotaria trisecata (Weber, 1888) (additional source)
Synchaeta baltica Ehrenberg, 1834 (additional source)
Synchaeta cecilia Rousselet, 1902 (additional source)
Synchaeta grimpei Remane, 1929 (additional source)
Synchaeta littoralis Rousselet, 1902 (additional source)
Synchaeta monopus Plate, 1889 (additional source)
Synchaeta neapolitana Rousselet, 1902 (additional source)
Synchaeta oblonga Ehrenberg, 1832 (additional source)
Synchaeta pectinata Ehrenberg, 1832 (additional source)
Synchaeta stylata Wierzejski, 1893 (additional source)
Synchaeta triophthalma Lauterborn, 1894 (additional source)
Synchaeta vorax Rousselet, 1902 (additional source)
Synchaetidae Hudson & Gosse, 1886 (additional source)
Testudinella clypeata (Müller, 1786) (additional source)
Testudinella patina (Hermann, 1783) (additional source)
Testudinellidae Harring, 1913 (additional source)
Trichocerca capucina (Wierzejski & Zacharias, 1893) (additional source)
Trichocerca marina (Daday, 1890) (additional source)
Trichocerca rattus (Müller, 1776) (additional source)
Trichocercidae Harring, 1913 (additional source)
Trochosphaeridae Harring, 1913 (basis of record)