Acartiidae Sars G.O., 1903 (additional source)
Advena paradoxa (Beneden, 1851) accepted as Kabatazus paradoxus (Beneden, 1851) (source of synonymy)
Agnathaner Canu, 1892 accepted as Pachypygus Sars G.O., 1921 (source of synonymy)
Akessonia Bresciani & Lützen, 1962 (additional source)
Albionella globosa (Leigh-Sharpe, 1918) accepted as Neoalbionella globosa (Leigh-Sharpe, 1918) (source of synonymy)
Amallothrix laminata (Farran, 1926) accepted as Pseudoamallothrix laminata (Farran, 1926) (basis of record)
Ambunguipes Huys, 1990 (additional source)
Ameira gracilis Scott A., 1896 accepted as Sicameira gracilis (Scott A., 1896) (basis of record)
Ameira leptoderma (Klie, 1950) accepted as Sicameira leptoderma Klie, 1950 (basis of record)
Amphiascopsis Gurney, 1927 (additional source)
Amphiascopsis hirtus (Gurney, 1927) accepted as Sarsamphiascus hirtus (Gurney, 1927) (basis of record)
Amphiascopsis minutus (Claus, 1863) accepted as Amphiascus minutus (Claus, 1863) accepted as Sarsamphiascus minutus (Claus, 1863) (basis of record)
Amphiascopsis obscurus (Sars G.O., 1906) accepted as Amphiascopsis cinctus (Claus, 1866) (basis of record)
Amphiascus Sars G.O., 1905 (additional source)
Amphiascus parvulus (Claus, 1866) (basis of record)
Anchistrotos Brian, 1906 (additional source)
Aphanodomus Wilson C.B., 1924 (additional source)
Apodomyzon Stock, 1970 (additional source)
Apodopsyllus madrasensis (Krishnaswamy, 1951) (basis of record)
Archisenia Huys & Gee, 1993 (additional source)
Arenopontiidae Martínez Arbizu & Moura, 1994 accepted as Arenopontiinae Martinez Arbizu & Moura, 1994 (additional source)
Arenosetella palpilabra (Nicholls, 1935) accepted as Arenosetella tenuissima (Klie, 1929) accepted as Glabrotelson tenuissima (Klie, 1929) (basis of record)
Argulus Müller O.F., 1785 (additional source)
Arietellidae Sars G.O., 1902 (additional source)
Artotrogus lilljeborgii (Boeck, 1859) accepted as Asterocheres lilljeborgi Boeck, 1859 (basis of record)
Asterocheres asterocheres (Sars G.O., 1915) accepted as Asterocheres lilljeborgi Boeck, 1859 (basis of record)
Asterocheres thorelli (Sars G.O., 1879) accepted as Dermatomyzon nigripes (Brady & Robertson, 1880) represented as Dermatomyzon nigripes nigripes (Brady & Robertson, 1876) (basis of record)
Axinophilus Bresciani & Ockelmann, 1966 (additional source)
Bathycamptus Huys & Thistle, 1989 (source of synonymy)
Bathycamptus minutus (Wells, 1965) (source of synonymy)
Biameiropsis abbreviata (Sars G.O., 1911) (basis of record)
Bradya armifera (Scott T. & Scott A., 1896) (basis of record)
Bryaxis Sars G.O., 1901 accepted as Bryaxona Strand, 1929 accepted as Comantenna Wilson C.B., 1924 (source of synonymy)
Bryaxis minor Farran, 1905 accepted as Paracomantenna minor (Farran, 1905) (source of synonymy)
Bryaxona Strand, 1929 accepted as Comantenna Wilson C.B., 1924 (source of synonymy)
Bulbamphiascus Lang, 1944 (additional source)
Buproridae Thorell, 1859 (additional source)
Caligidae Burmeister, 1835 (additional source)
Catiniidae Bocquet & Stock, 1957 (additional source)
Cecropidae Dana, 1852-1853 accepted as Pandaridae Milne Edwards, 1840 (additional source)
Cervinia Norman in Brady, 1878 (additional source)
Cerviniopsis Sars G.O., 1903 (additional source)
Chirundina parvispina (Farran, 1908) accepted as Pseudochirella cryptospina (Sars G.O., 1905) (basis of record)
Cholydiella intermedia (Bresciani, 1970) accepted as Cholidyella intermedia (Bresciani, 1970) (source of synonymy)
Cletodidae Scott T., 1904 (additional source)
Clytemnestra Dana, 1848 (additional source)
Corina Giesbrecht, 1891 accepted as Vettoria Wilson C.B., 1924 (source of synonymy)
Corina granulosa Giesbrecht, 1891 accepted as Vettoria granulosa (Giesbrecht, 1891) (source of synonymy)
Corycella rostrata (Claus, 1863) accepted as Farranula rostrata (Claus, 1863) (source of synonymy)
Cyclopetta Sars G.O., 1913 (additional source)
Cyclopicina Lindberg, 1953 (additional source)
Cyclopicina brachystylis (Sars G.O., 1921) accepted as Cyclopina brachystylis Sars G.O., 1921 (basis of record)
Cyclopicina norvegica (Boeck, 1865) accepted as Cyclopina norvegica Boeck, 1865 (basis of record)
Cyclopicina pygmaea (Sars G.O., 1918) accepted as Cyclopina pygmaea Sars G.O., 1918 (basis of record)
Cyclopicina rotundipes (Herbst, 1952) accepted as Cyclopina rotundipes Herbst, 1952 (basis of record)
Cyclopidae Rafinesque, 1815 (additional source)
Cyclopinella Sars G.O., 1913 (additional source)
Cyclopinoides Lindberg, 1953 (additional source)
Cymbasoma roscovita (Malaquin, 1901) (basis of record)
Dactylopus Claus, 1863 accepted as Dactylopusia Norman, 1903 (source of synonymy)
Dactylopus normani Brady, 1872 accepted as Dactylopusia normani (Brady, 1872) accepted as Robertsonia normani Brady, 1910 (source of synonymy)
Dactylopusia normani (Brady, 1872) accepted as Robertsonia normani Brady, 1910 (basis of record)
Darcythompsonia scotti Gurney, 1920 (additional source)
Diagoniceps menaiensis Geddes, 1968 accepted as Paraschizopera menaiensis (Geddes, 1968) (additional source)
Diarthrodes aegidaeus (Brian, 1927) (basis of record)
Diarthrodes intermedius (Scott T., 1912) (basis of record)
Donsiella Stephensen, 1936 (additional source)
Echinocheres Claus, 1889 accepted as Asterocheres Boeck, 1859 (source of synonymy)
Enalcyonium olssoni (Zulueta, 1908) (additional source)
Enterocola pterophora Chatton & Brément, 1909 (additional source)
Enterognathus Giesbrecht, 1900 (additional source)
Enteropsidae Thorell, 1859 (additional source)
Eoschizopera Wells & Rao, 1976 (additional source)
Eoschizopera syltensis (Mielke, 1973) accepted as Eoschizopera (Eoschizopera) syltensis (Mielke, 1973) (basis of record)
Esola typhlops (Sars G.O., 1908) accepted as Archesola typhlops (Sars G.O., 1908) (basis of record)
Euaetideus giesbrechti (Cleve, 1904) accepted as Aetideus giesbrechti Cleve, 1904 (source of synonymy)
Eucanuella Scott T., 1901 (additional source)
Eudactylinidae Wilson C.B., 1932 (additional source)
Eurycletodes laticauda (Boeck, 1873) represented as Eurycletodes (Eurycletodes) laticauda (Boeck, 1873) (basis of record)
Euryphorus brachypterus (Gerstaecker, 1853) (additional source)
Fladenia Gee & Huys, 1990 (additional source)
Foweya anglica (Norman & Scott T., 1905) (basis of record)
Gaetanus affinis (Sars G.O., 1905) accepted as Gaetanus brevispinus (Sars G.O., 1900) (basis of record)
Gaidius affinis Sars G.O., 1905 accepted as Gaetanus affinis (Sars G.O., 1905) accepted as Gaetanus brevispinus (Sars G.O., 1900) (source of synonymy)
Gaidius notacanthus Sars G.O., 1905 accepted as Pseudochirella notacantha (Sars G.O., 1905) (source of synonymy)
Gomphopodarion Humes, 1974 (additional source)
Gonophysema Bresciani & Lützen, 1960 (additional source)
Haplostoma Chatton & Harant, 1924 (additional source)
Haplostomides Chatton & Harant, 1924 (additional source)
Harpacticoida incertae sedis (basis of record)
Hemicervinia Lang, 1935 (additional source)
Hemicyclops cylindraceus (Pelseneer, 1929) (basis of record)
Herrmannella pectinis (Pesta, 1909) accepted as Herrmannella pecteni (Sowinsky, 1884) (basis of record)
Heterolaophonte exigua (Scott T., 1912) (basis of record)
Heterolaophonte sigmoides (Willey, 1931) accepted as Quinquelaophonte quinquespinosa (Sewell, 1924) (basis of record)
Heteronychocamptus exiguus (Sars G.O., 1905) (basis of record)
Idomene ferrieri (Scott T., 1912) accepted as Xouthous ferrieri (Scott T., 1912) (basis of record)
Ischnocalanus plumulosus (Claus, 1863) accepted as Calocalanus plumulosus (Claus, 1863) (source of synonymy)
Isochaeta Giesbrecht, 1889 accepted as Lucicutia Giesbrecht, 1898 (source of synonymy)
Isochaeta ovalis Giesbrecht, 1889 accepted as Lucicutia ovalis (Giesbrecht, 1889) (source of synonymy)