Abyssorchomene De Broyer, 1984 (additional source)
Abyssorchomene charcoti (Chevreux, 1912) (basis of record)
Abyssorchomene nodimanus (Walker, 1903) (basis of record)
Abyssorchomene plebs (Hurley, 1965) represented as Pseudorchomene plebs (Hurley, 1965) (basis of record)
Abyssorchomene rossi (Walker, 1903) represented as Pseudorchomene rossi (Walker, 1903) (basis of record)
Abyssorchomene scotianensis (Andres, 1983) (basis of record)
Acanthonotozomatidae Stebbing, 1906 (additional source)
Acanthonotozomella Schellenberg, 1926 (basis of record)
Acanthonotozomella alata Schellenberg, 1926 (basis of record)
Acanthonotozomella barnardi Watling & Holman, 1980 (basis of record)
Acanthonotozomella rauscherti Coleman & Jäger, 2001 (basis of record)
Acanthonotozomella trispinosa (Bellan-Santini, 1972) (basis of record)
Acanthonotozomellidae Coleman & J.L. Barnard, 1991 (basis of record)
Acanthonotozomoides Schellenberg, 1931 (basis of record)
Acanthonotozomoides oatesi (K.H. Barnard, 1930) (basis of record)
Acanthonotozomoides sublitoralis Schellenberg, 1931 (basis of record)
Acanthonotozomopsis Watling & Holman, 1980 (basis of record)
Acanthonotozomopsis pushkini (Bushueva, 1978) (basis of record)
Acontiostoma Stebbing, 1888 (basis of record)
Acontiostoma marionis Stebbing, 1888 (basis of record)
Actinacanthus Stebbing, 1906 (basis of record)
Actinacanthus tricarinatus (Stebbing, 1883) (basis of record)
Adeliella Nicholls, 1938 (basis of record)
Adeliella laticornis Nicholls, 1938 (basis of record)
Adeliella olivieri De Broyer, 1975 (basis of record)
Aeginoides Schellenberg, 1926 (basis of record)
Aeginoides gaussi Schellenberg, 1926 (basis of record)
Alexandrella Chevreux, 1911 (basis of record)
Alexandrella australis (Chilton, 1912) (basis of record)
Alexandrella dentata Chevreux, 1912 (basis of record)
Alexandrella inermis Bellan-Santini & Ledoyer, 1987 (basis of record)
Alexandrella mandibulata Berge & Vader, 2005 (basis of record)
Alexandrella martae Berge & Vader, 2005 (basis of record)
Alexandrella subchelata Holman & Watling, 1983 (basis of record)
Allogaussia Schellenberg, 1926 (basis of record)
Allogaussia galeata Schellenberg, 1926 (basis of record)
Allogaussia navicula K.H. Barnard, 1932 (basis of record)
Allogaussia paradoxa Schellenberg, 1926 (basis of record)
Allorchestes compressa Dana, 1852 (basis of record)
Allorchestes novizealandiae Dana, 1852 (basis of record)
Amaryllididae Lowry & Stoddart, 2002 (basis of record)
Amathillopsidae Pirlot, 1934 (additional source)
Amathillopsis charlottae Coleman, 1998 (basis of record)
Ambasiopsis K.H. Barnard, 1931 (basis of record)
Ambasiopsis georgiensis K.H. Barnard, 1931 (basis of record)
Ambasiopsis tumicornis Nicholls, 1938 (basis of record)
Ambasiopsis uncinata K.H. Barnard, 1932 (basis of record)
Ampelisca Krøyer, 1842 (additional source)
Ampelisca antarctica Ren in Ren & Huang, 1991 (basis of record)
Ampelisca anversensis Karaman, 1975 (basis of record)
Ampelisca barnardi Nicholls, 1938 (basis of record)
Ampelisca bouvieri Chevreux, 1913 (basis of record)
Ampelisca bransfieldi K.H. Barnard, 1932 (basis of record)
Ampelisca composita Schellenberg, 1931 (basis of record)
Ampelisca dallenei Bellan-Santini, 1985 (basis of record)
Ampelisca dentifera Schellenberg, 1931 (basis of record)
Ampelisca gracilicauda Schellenberg, 1931 (basis of record)
Ampelisca hemicryptops K.H. Barnard, 1930 (basis of record)
Ampelisca lenaldei Bellan-Santini, 1985 (basis of record)
Ampelisca macrodonta Goeke, 1987 (basis of record)
Ampelisca richardsoni Karaman, 1975 (basis of record)
Ampelisca statenensis K.H. Barnard, 1932 (basis of record)
Ampeliscidae Krøyer, 1842 (additional source)
Amphilochella Schellenberg, 1926 (basis of record)
Amphilochella simplicarpa Schellenberg, 1926 (basis of record)
Amphilochidae Boeck, 1871 (additional source)
Amphilochus Spence Bate, 1863 (additional source)
Amphilochus marionis Stebbing, 1888 (basis of record)
Amphipoda (additional source)
Ampithoe kergueleni Stebbing, 1888 (basis of record)
Ampithoidae Boeck, 1871 (additional source)
Anchiphimedia K.H. Barnard, 1930 (basis of record)
Anchiphimedia dorsalis K.H. Barnard, 1930 (basis of record)
Andaniexinae Berge & Vader, 2001 (basis of record)
Andaniexis Stebbing, 1906 (additional source)
Andaniexis ollii Berge, De Broyer & Vader, 2000 (basis of record)
Andaniotes Stebbing, 1897 (additional source)
Andaniotes abyssorum (Stebbing, 1888) (basis of record)
Andaniotes linearis K.H. Barnard, 1932 (basis of record)
Andaniotes pooh Berge, 2001 (basis of record)
Andaniotes pseudolinearis Berge, 2001 (basis of record)
Anisogammaridae Bousfield, 1977 (additional source)
Anonychocheirus Moore & Myers, 1983 (basis of record)
Anonychocheirus richardsoni Moore & Myers, 1983 (basis of record)
Antarctodius antarcticus (Watling & Holman, 1981) (basis of record)
Antarctodius rauscherti Coleman & Kauffeldt, 2001 (basis of record)
Antarctogeneia Thurston, 1974 (basis of record)
Antarctogeneia macrodactyla Thurston, 1974 (basis of record)
Antatelson J.L. Barnard, 1972 (basis of record)
Antatelson antennatum Bellan-Santini & Ledoyer, 1974 (basis of record)
Antatelson cultricauda (K.H. Barnard, 1932) (basis of record)
Antatelson rostratum Bellan-Santini & Ledoyer, 1974 (basis of record)
Antatelson tuberculatum Andres, 1989 (basis of record)
Antatelson walkeri (Chilton, 1912) (basis of record)
Aora anomala Schellenberg, 1926 (basis of record)
Aora karibu Vader & Krapp, 2005 (basis of record)
Aora kergueleni Stebbing, 1888 (basis of record)
Aora maculata (Thomson, 1879) (basis of record)
Aora trichobostrycha Stebbing, 1888 (basis of record)
Aoridae Stebbing, 1899 (additional source)