Acanthaspidiidae Menzies, 1962 (additional source)
Acartiidae Sars G.O., 1903 (additional source)
Acrothoracica (additional source)
Aegisthidae Giesbrecht, 1893 (additional source)
Aetideidae Giesbrecht, 1892-1893 (additional source)
Alpheoidea Rafinesque, 1815 (additional source)
Amathillopsidae Pirlot, 1934 (additional source)
Ambunguipedidae Huys, 1990 accepted as Hamondiidae Huys, 1990 (additional source)
Ameiridae Boeck, 1865 (additional source)
Ampeliscidae Krøyer, 1842 (additional source)
Amphilochidae Boeck, 1871 (additional source)
Amphipoda (additional source)
Ampithoidae Boeck, 1871 (additional source)
Ancorabolidae Sars G.O., 1909 (additional source)
Anomura (additional source)
Antheluridae Poore & Lew Ton, 1988 (additional source)
Anthessiidae Humes, 1986 (additional source)
Anthuridae Leach, 1814 (additional source)
Anthuridea accepted as Anthuroidea Leach, 1814 (additional source)
Anuropidae Stebbing, 1893 (basis of record)
Aoridae Stebbing, 1899 (additional source)
Arcturidae Dana, 1849 (additional source)
Argestidae Por, 1986 (additional source)
Arietellidae Sars G.O., 1902 (additional source)
Ascidicolidae Thorell, 1859 (additional source)
Ascothoracida (additional source)
Ascothoracidae Grygier, 1987 (additional source)
Asellota (additional source)
Astacidea (additional source)
Augaptilidae Sars G.O., 1905 (additional source)
Austrarcturellidae Poore & Bardsley, 1992 (basis of record)
Balanoidea Leach, 1817 (additional source)
Balanomorpha (additional source)
Bathylasmatidae Newman & Ross, 1971 (additional source)
Bathypontiidae Brodsky, 1950 (additional source)
Benthesicymidae Wood-Mason in Wood-Mason & Alcock, 1891 (additional source)
Bodotriidae T. Scott, 1901 (additional source)
Bopyridae Rafinesque, 1815 (additional source)
Bopyroidea Rafinesque, 1815 (basis of record)
Branchiopoda (taxonomy source)
Calanoida (additional source)
Calanticidae Zevina, 1978 (additional source)
Campylonotidae Sollaud, 1913 (basis of record)
Campylonotoidea Sollaud, 1913 (additional source)
Candaciidae Giesbrecht, 1893 (additional source)
Canthocamptidae Brady, 1880 (additional source)
Caprellidae Leach, 1814 (additional source)
Caprellidea accepted as Caprelloidea Leach, 1814 (basis of record)
Caridea (additional source)
Ceratocumatidae Calman, 1905 (additional source)
Chaetiliidae Dana, 1849 (additional source)
Chthamaloidea Darwin, 1854 (additional source)
Cirolanidae Dana, 1852 (additional source)
Cirripedia (additional source)
Cladocopina (basis of record)
Clausidiidae Embleton, 1901 (additional source)
Clausocalanidae Giesbrecht, 1893 (additional source)
Colomastigidae Chevreux, 1899 (additional source)
Coronulidae Leach, 1817 (additional source)
Coronuloidea Leach, 1817 (additional source)
Corophiidae Leach, 1814 (additional source)
Corycaeidae Dana, 1852-1853 (additional source)
Crangonidae Haworth, 1825 (additional source)
Crangonoidea Haworth, 1825 (additional source)
Cressidae Stebbing, 1899 (additional source)
Cristacoxidae Huys, 1990 (additional source)
Cryptoniscoidea Kossmann, 1880 (basis of record)
Cryptophialidae Gerstaecker, 1866 (additional source)
Ctenosculidae Thiele, 1925 (additional source)
Cumacea (additional source)
Cyclopidae Rafinesque, 1815 (additional source)
Cyclopoida (additional source)
Cylindroleberidoidea Mueller, 1906 (basis of record)
Cylindropsyllidae Sars G.O., 1909 (additional source)
Cyprididae Baird, 1845 (basis of record)
Cypridinidae Baird, 1850 (additional source)
Cypridinoidea Baird, 1850 (basis of record)
Cypridocopina (basis of record)
Cypridoidea Baird, 1845 (additional source)
Cystisomatidae Willemöes-Suhm, 1875 (additional source)
Cytherellidae Sars, 1866 (additional source)
Cytheridae Baird, 1850 (additional source)
Cytheromatidae Elofson, 1939 (additional source)
Dairellidae Bovallius, 1887 (additional source)
Dajidae G. O. Sars, 1883 (additional source)
Dendrogastrida (additional source)
Dendrogastridae Gruvel, 1905 (additional source)
Dendrotiidae Nordenstam, 1933 accepted as Dendrotionidae Vanhöffen, 1914 (basis of record)
Dexaminidae Leach, 1814 (additional source)
Diaixidae Sars G.O., 1902 (additional source)
Diastylidae Bate, 1856 (additional source)
Diosaccidae Sars G.O., 1906 accepted as Miraciidae Dana, 1846 (additional source)
Diplostraca (basis of record)
Ectinosomatidae Sars G.O., 1903 (additional source)
Epicaridea (additional source)
Epimeriidae Boeck, 1871 (additional source)
Eubrachyura (additional source)
Eucalanidae Giesbrecht, 1893 (additional source)
Eucarida (additional source)
Euchaetidae Giesbrecht, 1893 (additional source)