Argonotholca Gillard, 1948 accepted as Notholca Gosse, 1886 (basis of record)
Argonotholca foliacea (Ehrenberg, 1838) accepted as Notholca foliacea (Ehrenberg, 1838) (basis of record)
Ascomorpha Perty, 1850 (basis of record)
Ascomorpha ecaudatus Perty, 1850 accepted as Ascomorpha ecaudis Perty, 1850 (basis of record)
Ascomorpha ovalis (Bergendahl, 1892) (basis of record)
Asplanchna Gosse, 1850 (basis of record)
Asplanchna brightwellii Gosse, 1850 (basis of record)
Asplanchna priodonta Gosse, 1850 (basis of record)
Asplanchnidae Eckstein, 1883 (basis of record)
Brachionidae Ehrenberg, 1838 (basis of record)
Brachionus Pallas, 1766 (basis of record)
Brachionus angularis Gosse, 1851 (basis of record)
Brachionus calyciflorus Pallas, 1766 (basis of record)
Brachionus leydigii Cohn, 1862 (basis of record)
Brachionus plicatilis Müller, 1786 (basis of record)
Brachionus quadridentatus Hermann, 1783 (basis of record)
Brachionus rubens Ehrenberg, 1838 (basis of record)
Brachionus urceolaris Müller, 1773 (basis of record)
Collotheca Harring, 1913 (basis of record)
Collotheca mutabilis (Hudson, 1885) (basis of record)
Collotheca pelagica (Rousselet, 1893) (basis of record)
Collothecidae (basis of record)
Colurella Bory De St. Vincent, 1824 (basis of record)
Colurella colurus (Ehrenberg, 1830) (basis of record)
Colurella dicentra (Gosse, 1887) (basis of record)
Conochilidae (basis of record)
Conochilus Ehrenberg, 1834 (basis of record)
Conochilus unicornis Rousselet, 1892 (basis of record)
Dicranophoridae Harring, 1913 (basis of record)
Encentrum Ehrenberg, 1838 (basis of record)
Encentrum ambiguum Tzschaschel, 1979 accepted as Wierzejskiella ambigua (Tzschaschel, 1979) (basis of record)
Encentrum axi Tzschaschel, 1979 (basis of record)
Encentrum eulitorale Tzschaschel, 1979 (basis of record)
Encentrum kostei Tzschaschel, 1979 (basis of record)
Encentrum listense Tzschaschel, 1979 (basis of record)
Encentrum longirostrum Tzschaschel, 1979 (basis of record)
Encentrum marinum (Dujardin, 1841) (basis of record)
Encentrum obesum Tzschaschel, 1979 (basis of record)
Encentrum permutandum Tzschaschel, 1979 (basis of record)
Encentrum psammophilum Althaus, 1957 (basis of record)
Encentrum sacculiforme Tzschaschel, 1979 (basis of record)
Encentrum simillimum Remane, 1929 (basis of record)
Encentrum striatum Althaus, 1957 (basis of record)
Encentrum wierzejskii Tzschaschel, 1979 accepted as Wierzejskiella marina Remane, 1949 (basis of record)
Euchlanis Ehrenberg, 1832 (basis of record)
Euchlanis dilatata Ehrenberg, 1832 (basis of record)
Filinia Bory de St. Vincent, 1824 (basis of record)
Filinia brachiata (Rousselet, 1901) (basis of record)
Filinia cornuta (Weisse, 1847) (basis of record)
Filinia longiseta (Ehrenberg, 1834) (basis of record)
Filinia terminalis (Plate, 1886) (basis of record)
Gastropodidae Harring, 1913 (basis of record)
Hexarthra Schmarda, 1854 (basis of record)
Hexarthra fennica (Levander, 1892) (basis of record)
Hexarthra mira (Hudson, 1871) (basis of record)
Kellicottia Ahlstrom, 1938 (basis of record)
Kellicottia longispina (Kellicott, 1879) (basis of record)
Keratella Bory de St. Vincent, 1822 (basis of record)
Keratella cochlearis (Gosse, 1851) (basis of record)
Keratella cruciformis (Thompson, 1892) (basis of record)
Keratella quadrata (Müller, 1786) (basis of record)
Lecanidae Remane, 1933 (basis of record)
Lepadella Bory de St. Vincent, 1826 (basis of record)
Lepadella (Lepadella) psammophila Tzschaschel, 1979 represented as Lepadella psammophila Tzschaschel, 1978 (basis of record)
Lindia Dujardin, 1841 (basis of record)
Lindia (Halolindia) tecusa Harring & Myers, 1922 (basis of record)
Lindiidae Harring & Myers, 1924 (basis of record)
Notholca Gosse, 1886 (basis of record)
Notholca acuminata (Ehrenberg, 1832) (basis of record)
Notholca labis Gosse, 1887 (basis of record)
Notholca striata (Müller, 1786) (basis of record)
Philodinidae Ehrenberg, 1838 (basis of record)
Polyarthra Ehrenberg, 1834 (basis of record)
Polyarthra dolichoptera Idelson, 1925 (basis of record)
Polyarthra remata Skorikov, 1896 (basis of record)
Polyarthra vulgaris Carlin, 1943 (basis of record)
Pompholyx Gosse, 1851 (basis of record)
Pompholyx sulcata Hudson, 1885 (basis of record)
Proales Gosse, 1886 (basis of record)
Proales germanica Tzschaschel, 1979 (basis of record)
Proales halophila Remane, 1929 (basis of record)
Proales oculata Tzschaschel, 1979 (basis of record)
Proales reinhardti (Ehrenberg, 1834) (basis of record)
Proales syltensis Tzschaschel, 1979 (basis of record)
Seison Grube, 1861 (basis of record)
Seison annulatus Claus, 1876 accepted as Paraseison annulatus (Claus, 1876) (basis of record)
Seison nebaliae Grube, 1861 (basis of record)
Seisonidae Wesenberg-Lund, 1899 (basis of record)
Synchaeta Ehrenberg, 1832 (basis of record)
Synchaeta atlantica Zelinka, 1907 (basis of record)
Synchaeta baltica Ehrenberg, 1834 (basis of record)
Synchaeta bicornis Smith, 1904 (basis of record)
Synchaeta cecilia Rousselet, 1902 (basis of record)
Synchaeta curvata Lie-Pettersen, 1905 (basis of record)
Synchaeta grimpei Remane, 1929 (basis of record)
Synchaeta gyrina Hood, 1887 (basis of record)
Synchaeta littoralis Rousselet, 1902 (basis of record)
Synchaeta longipes Gosse, 1887 (basis of record)
Synchaeta neapolitana Rousselet, 1902 (basis of record)
Synchaeta pectinata Ehrenberg, 1832 (basis of record)