Brachionus angularis angularis Gosse, 1851 (basis of record)
Brachionus calyciflorus calyciflorus Pallas, 1776 (basis of record)
Clausocalanus arcuicornis (Dana, 1849-1852) represented as Clausocalanus arcuicornis arcuicornis (Dana, 1849-1852) (additional source)
Codonella cratera Leidy, 1887 (basis of record)
Corycella rostrata (Claus, 1863) accepted as Farranula rostrata (Claus, 1863) (basis of record)
Cyclops strenuus Fischer, 1851 represented as Cyclops strenuus strenuus Fischer, 1851 (basis of record)
Keratella tropica (Apstein, 1907) (additional source)
Keratella tropica tropica (Apstein, 1907) accepted as Keratella tropica (Apstein, 1907) (basis of record)
Keratella valga (Ehrenberg, 1834) (basis of record)
Keratella valga valga (Ehrenberg, 1834) accepted as Keratella valga (Ehrenberg, 1834) (basis of record)
Moerisia maeotica (Ostroumoff, 1896) accepted as Odessia maeotica (Ostroumoff, 1896) (basis of record)
Oithona helgolandica (Claus, 1863) accepted as Oithona similis Claus, 1866 (basis of record)
Philodina Ehrenberg, 1830 (additional source)
Philodina roseola Ehrenberg, 1832 (basis of record)
Pleopis polyphemoides (Leuckart, 1859) (basis of record)
Protodrilus purpureus (Schneider, 1868) accepted as Megadrilus purpureus (Schneider, 1868) (additional source)
Rotaria tardigrada (Ehrenberg, 1830) (basis of record)
Stenosemella nivalis (Meunier, 1910) (basis of record)
Tiarina Berg, 1881 (basis of record)
Tiarina fusus Bergh, 1881 (basis of record)