• [non-Uristidae] natalensis K.H. Barnard, 1916
• Abludomelita machaera (K.H. Barnard, 1955)
• Abludomelita mucronata (Griffiths, 1975)
• Acaeroplastes melanurus (Budde-Lund, 1885) represented as Acaeroplastes melanurus melanurus (Budde-Lund, 1885)
• Acaeroplastes melanurus melanurus (Budde-Lund, 1885)
• Acanthacaris opipara Burukovsky & Musij, 1976 accepted as Acanthacaris tenuimana Spence Bate, 1888
• Acanthacaris tenuimana Spence Bate, 1888
• Acantharctus posteli (Forest, 1963)
• Acanthaspidia namibia Brandt, 2001 accepted as Iolanthe namibia (Brandt, 2001)
• Acanthaspidia natalensis (Kensley, 1977) accepted as Iolanthe natalensis (Kensley, 1977)
• Acanthastenasellus forficuloides Chelazzi & Messana, 1985
• Acanthephyra acanthitelsonis Spence Bate, 1888 accepted as Acanthephyra pelagica (Risso, 1816)
• Acanthephyra acutifrons Spence Bate, 1888
• Acanthephyra armata A. Milne-Edwards, 1881
• Acanthephyra brevirostris Smith, 1885
• Acanthephyra curtirostris Wood-Mason in Wood-Mason & Alcock, 1891
• Acanthephyra eximea Smith, 1884 accepted as Acanthephyra eximia Smith, 1884
• Acanthephyra eximia Smith, 1884
• Acanthephyra frontieri Crosnier, 1988 accepted as Acanthephyra eximia Smith, 1884
• Acanthephyra gracilipes Chace, 1940 accepted as Acanthephyra tenuipes (Spence Bate, 1888)
• Acanthephyra indica Balss, 1925
• Acanthephyra kingsleyi Spence Bate, 1888
• Acanthephyra pelagica (Risso, 1816)
• Acanthephyra prionota Foxton, 1971
• Acanthephyra purpurea A. Milne-Edwards, 1881
• Acanthephyra quadrispinosa Kemp, 1939
• Acanthephyra sexspinosa Kemp, 1939 accepted as Acanthephyra kingsleyi Spence Bate, 1888
• Acanthephyra smithi Kemp, 1939
• Acanthephyra stylorostratis (Spence Bate, 1888)
• Acanthephyra stylorostratus (Spence Bate, 1888) accepted as Acanthephyra stylorostratis (Spence Bate, 1888)
• Acanthephyra tenuipes (Spence Bate, 1888)
• Acanthocarpus brevispinis Monod, 1946
• Acanthomunna spinipes (Vanhöffen, 1914)
• Acanthomysis anomala Pillai, 1961
• Acanthomysis indica (W. Tattersall, 1922)
• Acanthomysis longicornis (Milne Edwards, 1837)
• Acanthomysis pelagica (Pillai, 1957)
• Acanthomysis platycauda (Pillai, 1961)
• Acanthomysis quadrispinosa Nouvel, 1965
• Acanthomysis trophopristes O. Tattersall, 1957
• Acanthonyx brevifrons A. Milne-Edwards, 1869
• Acanthonyx consobrinus A. Milne-Edwards, 1862
• Acanthonyx dentatus H. Milne Edwards, 1834
• Acanthonyx depressifrons Manning & Holthuis, 1981
• Acanthonyx elongatus Miers, 1878
• Acanthonyx limbatus A. Milne-Edwards, 1862
• Acanthonyx lunulatus (Risso, 1816)
• Acanthonyx minor Manning & Holthuis, 1981
• Acanthonyx quadridentatus (Krauss, 1843)
• Acanthonyx sanctaehelenae Chace, 1966
• Acanthonyx scutellatus MacLeay, 1838
• Acanthonyx undulatus (Barnard, 1947)
• Acanthophrys longispinus (De Haan, 1839) accepted as Prismatopus longispinus (De Haan, 1839)
• Acanthosquilla derijardi Manning, 1970
• Acanthosquilla multifasciata (Wood-Mason, 1895)
• Acartia (Acanthacartia) pietschmanni Pesta, 1912
• Acartia (Acartia) danae Giesbrecht, 1889
• Acartia (Acartia) negligens Dana, 1849-1852
• Acartia (Odontacartia) amboinensis Carl, 1907
• Acartia (Odontacartia) bispinosa Carl, 1907
• Acartia (Odontacartia) centrura Giesbrecht, 1889
• Acartia amboinensis Carl, 1907 accepted as Acartia (Odontacartia) amboinensis Carl, 1907
• Acartia bispinosa Carl, 1907 represented as Acartia (Odontacartia) bispinosa Carl, 1907
• Acartia centrura Giesbrecht, 1889 represented as Acartia (Odontacartia) centrura Giesbrecht, 1889
• Acartia danae Giesbrecht, 1889 represented as Acartia (Acartia) danae Giesbrecht, 1889
• Acartia longipatella Connell & Grindley, 1974 accepted as Paracartia longipatella (Connell & Grindley, 1974)
• Acartia natalensis Connell & Grindley, 1974 accepted as Acartiella natalensis (Connell & Grindley, 1974)
• Acartia negligens Dana, 1849-1852 represented as Acartia (Acartia) negligens Dana, 1849-1852
• Acartia pietschmani Pesta, 1912 represented as Acartia pietschmanni Pesta, 1912 accepted as Acartia (Acanthacartia) pietschmanni Pesta, 1912
• Acartia pietschmanni Pesta, 1912 accepted as Acartia (Acanthacartia) pietschmanni Pesta, 1912
• Acartiella natalensis (Connell & Grindley, 1974)
• Acasta alba Barnard, 1924
• Acasta crassa Broch, 1931
• Acasta cyathus Darwin, 1854
• Acasta madagascariensis Ren, 1989
• Acasta porata Nilsson-Cantell, 1921 accepted as Euacasta porata (Nilsson-Cantell, 1921)
• Acasta spongites (Poli, 1791)
• Accalathura borradailei (Stebbing, 1904)
• Accalathura gigas (Whitelegge, 1901)
• Accalathura hastata Kensley & Schotte, 2000
• Accalathura indica (Nierstrasz, 1941)
• Accalathura laevitelson (Kensley, 1975)
• Accalathura phuketensis Kensley & Schotte, 2000
• Accalathura sladeni (Stebbing, 1910)
• Accalathura wardae Kensley & Schotte, 2000
• Aceroides (Aceroides) limicola K.H. Barnard, 1926
• Acetes americanus Ortmann, 1893
• Acetes americanus americanus Ortmann, 1893
• Acetes erythraeus Nobili, 1906
• Acetes indicus H. Milne Edwards, 1830
• Acetes japonicus Kishinouye, 1905
• Acetes johni Nataraj, 1949
• Acetes marinus Omori, 1975
• Acetes natalensis Barnard, 1955
• Acetes paraguayensis Hansen, 1919
• Acetes sibogae Hansen, 1919
• Acetes sibogae sibogae Hansen, 1919
• Achaeopsis spinulosa Stimpson, 1857
• Achaeopsis spinulosus Stimpson, 1857 accepted as Achaeopsis spinulosa Stimpson, 1857
• Achaeopsis thomsoni (Thompson, 1873) accepted as Dorhynchus thomsoni Thomson, 1873