Ascomorpha Perty, 1850 (basis of record)
Ascomorpha ovalis (Bergendahl, 1892) (basis of record)
Aspelta Harring & Myers, 1928 (basis of record)
Aspelta clydona Harring & Myers, 1928 (basis of record)
Aspelta harringi Remane, 1929 (basis of record)
Aspelta reibischi (Remane, 1929) (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 calyciflorus Pallas, 1766 (basis of record)
Brachionus plicatilis Müller, 1786 (basis of record)
Cephalodella Bory de St. Vincent, 1826 (basis of record)
Cephalodella gibba (Ehrenberg, 1830) (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 hippocrepis (Schrank, 1803) (basis of record)
Conochilus unicornis Rousselet, 1892 (basis of record)
Dicranophoridae Harring, 1913 (basis of record)
Encentrum Ehrenberg, 1838 (basis of record)
Encentrum axi Tzschaschel, 1979 (basis of record)
Encentrum cruentum Harring & Myers, 1928 (basis of record)
Encentrum eulitorale Tzschaschel, 1979 (basis of record)
Encentrum kostei Tzschaschel, 1979 (basis of record)
Encentrum limicola Otto, 1936 (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 matthesi Remane, 1949 (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 rousseleti (Lie-Pettersen, 1905) (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 villosum Harring & Myers, 1928 (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)
Keratella testudo (Ehrenberg, 1832) (basis of record)
Lecane Nitzsch, 1827 (basis of record)
Lecane cornuta (Müller, 1786) (basis of record)
Lecane grandis (Murray, 1913) (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)
Mytilina Bory de St. Vincent, 1826 (basis of record)
Notommatidae Hudson & Gosse, 1886 (basis of record)
Paradicranophorus Wiszniewski, 1929 (basis of record)
Paradicranophorus hudsoni (Glascott, 1893) (basis of record)
Philodinidae Ehrenberg, 1838 (basis of record)
Ploesoma Herrick, 1885 (basis of record)
Ploesoma hudsoni (Imhof, 1891) (basis of record)
Ploesoma truncatum (Levander, 1894) (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 paguri Thane-Fenchel, 1966 (basis of record)
Proales reinhardti (Ehrenberg, 1834) (basis of record)
Proales syltensis Tzschaschel, 1979 (basis of record)
Rotaria Scopoli, 1777 (basis of record)
Rotaria citrina (Ehrenberg, 1838) (basis of record)
Synchaeta Ehrenberg, 1832 (basis of record)
Synchaeta atlantica Zelinka, 1907 (basis of record)
Synchaeta bacillifera Smirnov, 1933 (basis of record)
Synchaeta baltica Ehrenberg, 1834 (basis of record)