Acanthanas Anker, Poddoubtchenko & Jeng, 2006 (basis of record)
Acanthanas pusillus Anker, Poddoubtchenko & Jeng, 2006 (additional source)
Acanthephyra A. Milne-Edwards, 1881 (additional source)
Acanthephyra (Meningodora) sibogae De Man, 1916 accepted as Acanthephyra sibogae De Man, 1916 (basis of record)
Acanthephyra abyssorum Filhol, 1885 accepted as Acanthephyra purpurea A. Milne-Edwards, 1881 (basis of record)
Acanthephyra acanthitelsonis Spence Bate, 1888 accepted as Acanthephyra pelagica (Risso, 1816) (basis of record)
Acanthephyra acutifrons Spence Bate, 1888 (additional source)
Acanthephyra affinis Faxon, 1896 accepted as Systellaspis pellucida (Filhol, 1884) (basis of record)
Acanthephyra agassizzi mediterranea Riggio, 1900 accepted as Acanthephyra pelagica (Risso, 1816) (basis of record)
Acanthephyra angusta Spence Bate, 1888 accepted as Acanthephyra eximia Smith, 1884 (basis of record)
Acanthephyra anomala Boone, 1927 accepted as Janicella spinicauda (A. Milne-Edwards, 1883) (basis of record)
Acanthephyra antarctica Bage, 1938 accepted as Nematocarcinus lanceopes Spence Bate, 1888 (basis of record)
Acanthephyra approxima Spence Bate, 1888 accepted as Acanthephyra carinata Spence Bate, 1888 (basis of record)
Acanthephyra armata A. Milne-Edwards, 1881 (additional source)
Acanthephyra armata var. fimbriata Alcock & Anderson, 1894 accepted as Acanthephyra fimbriata Alcock & Anderson, 1894 (basis of record)
Acanthephyra batei Faxon, 1895 accepted as Meningodora vesca (Smith, 1886) (basis of record)
Acanthephyra batei Stebbing, 1905 accepted as Acanthephyra quadrispinosa Kemp, 1939 (basis of record)
Acanthephyra brachytelsonis Spence Bate, 1888 accepted as Acanthephyra eximia Smith, 1884 (basis of record)
Acanthephyra braueri Balss, 1914 accepted as Bralaspis braueri (Balss, 1914) (basis of record)
Acanthephyra brevicarinata Hanamura, 1984 (basis of record)
Acanthephyra brevirostris Spence Bate, 1888 accepted as Meningodora vesca (Smith, 1886) (basis of record)
Acanthephyra brevirostris Smith, 1885 (additional source)
Acanthephyra carinata Spence Bate, 1888 (basis of record)
Acanthephyra chacei Krygier & Forss, 1981 (basis of record)
Acanthephyra cristata Faxon, 1893 accepted as Cristaspis cristata (Faxon, 1893) (basis of record)
Acanthephyra cucullata Faxon, 1893 (basis of record)
Acanthephyra curtirostris Wood-Mason in Wood-Mason & Alcock, 1891 (additional source)
Acanthephyra debilis A. Milne-Edwards, 1881 accepted as Debaspis debilis (A. Milne-Edwards, 1881) (basis of record)
Acanthephyra debilis var. europaea A. Milne-Edwards, 1883 accepted as Systellaspis debilis (A. Milne-Edwards, 1881) accepted as Debaspis debilis (A. Milne-Edwards, 1881) (basis of record)
Acanthephyra edwardsii Spence Bate, 1888 accepted as Acanthephyra eximia Smith, 1884 (basis of record)
Acanthephyra ensis A. Milne-Edwards, 1881 accepted as Plesionika ensis (A. Milne-Edwards, 1881) (basis of record)
Acanthephyra eximia Smith, 1884 (basis of record)
Acanthephyra faxoni Calman, 1939 (basis of record)
Acanthephyra fimbriata Alcock & Anderson, 1894 (basis of record)
Acanthephyra frontieri Crosnier, 1988 accepted as Acanthephyra eximia Smith, 1884 (basis of record)
Acanthephyra gracilipes Chace, 1940 accepted as Acanthephyra tenuipes (Spence Bate, 1888) (basis of record)
Acanthephyra indica Balss, 1925 (additional source)
Acanthephyra kempii Balss, 1914 accepted as Acanthephyra sanguinea Wood-Mason in Wood-Mason & Alcock, 1892 (basis of record)
Acanthephyra kingsleyi Spence Bate, 1888 (basis of record)
Acanthephyra longidens Spence Bate, 1888 accepted as Heterogenys microphthalma (Smith, 1885) (basis of record)
Acanthephyra media Spence Bate, 1888 (basis of record)
Acanthephyra media var. obliquirostris De Man, 1916 accepted as Acanthephyra media Spence Bate, 1888 (basis of record)
Acanthephyra microphthalma Smith, 1885 accepted as Heterogenys microphthalma (Smith, 1885) (basis of record)
Acanthephyra parva multidens Coutière, 1905 accepted as Acanthephyra pelagica (Risso, 1816) (basis of record)
Acanthephyra parva paucidens Coutière, 1905 accepted as Acanthephyra purpurea A. Milne-Edwards, 1881 (basis of record)
Acanthephyra parvirostris Coutière, 1911 accepted as Meningodora vesca (Smith, 1886) (basis of record)
Acanthephyra pelagica (Risso, 1816) (additional source)
Acanthephyra pellucida Filhol, 1884 accepted as Systellaspis pellucida (Filhol, 1884) (basis of record)
Acanthephyra pleuracantha Coutière, 1914 (basis of record)
Acanthephyra prionota Foxton, 1971 (additional source)
Acanthephyra pulchra A. Milne-Edwards, 1890 accepted as Acanthephyra eximia Smith, 1884 (basis of record)
Acanthephyra purpurea A. Milne-Edwards, 1881 (additional source)
Acanthephyra purpurea var. multispina Coutière, 1905 accepted as Acanthephyra pelagica (Risso, 1816) (basis of record)
Acanthephyra quadrispinosa Kemp, 1939 (additional source)
Acanthephyra rectirostris Riggio, 1900 accepted as Acanthephyra pelagica (Risso, 1816) (basis of record)
Acanthephyra rostrata (Spence Bate, 1888) (basis of record)
Acanthephyra sanguinea Wood-Mason in Wood-Mason & Alcock, 1892 (basis of record)
Acanthephyra sexspinosa Kemp, 1939 accepted as Acanthephyra kingsleyi Spence Bate, 1888 (basis of record)
Acanthephyra sibogae De Man, 1916 (basis of record)
Acanthephyra sica Spence Bate, 1888 accepted as Acanthephyra pelagica (Risso, 1816) (basis of record)
Acanthephyra smithi Kemp, 1939 (additional source)
Acanthephyra stylorostratis (Spence Bate, 1888) (additional source)
Acanthephyra tenuipes (Spence Bate, 1888) (additional source)
Acanthephyra trispinosa Kemp, 1939 (basis of record)
Acanthephyra valdiviae Balss, 1914 accepted as Kemphyra corallina (A. Milne-Edwards, 1883) (additional source)
Acanthephyridae Spence Bate, 1888 (basis of record)
Acanthosoma Claus, 1863 (basis of record)
Acanthosoma brevitelsonis Spence Bate, 1888 (basis of record)
Acanthosoma dohrni Gurney, 1924 (basis of record)
Acanthosoma dorsispinalis Spence Bate, 1888 (basis of record)
Acanthosoma hispida Gurney, 1924 (basis of record)
Acanthosoma laevirostratis Spence Bate, 1888 (basis of record)
Acanthosoma longitelsonis Spence Bate, 1888 (basis of record)
Acanthosoma macrotelsonis Spence Bate, 1888 (basis of record)
Acanthosoma tynitelsonis Spence Bate, 1888 (basis of record)
Acetes H. Milne Edwards, 1830 (additional source)
Acetes americanus americanus Ortmann, 1893 (additional source)
Acetes americanus carolinae Hansen, 1933 (additional source)
Acetes americanus limonensis Burkenroad, 1934 accepted as Acetes americanus americanus Ortmann, 1893 (basis of record)
Acetes australis Colefax, 1940 accepted as Acetes sibogae australis Colefax, 1940 (basis of record)
Acetes binghami Burkenroad, 1934 (additional source)
Acetes brasiliensis Hansen, 1919 accepted as Acetes americanus americanus Ortmann, 1893 (basis of record)
Acetes carolinae Hansen, 1933 accepted as Acetes americanus carolinae Hansen, 1933 (basis of record)
Acetes chinensis Hansen, 1919 (additional source)
Acetes cochinensis Rao, 1970 accepted as Acetes japonicus Kishinouye, 1905 (basis of record)
Acetes dispar Hansen, 1919 accepted as Acetes japonicus Kishinouye, 1905 (basis of record)
Acetes erythraeus Nobili, 1906 (additional source)
Acetes indicus H. Milne Edwards, 1830 (additional source)
Acetes insularis Kemp, 1917 accepted as Acetes serrulatus (Krøyer, 1859) (basis of record)
Acetes intermedius Omori, 1975 (additional source)
Acetes japonicus Kishinouye, 1905 (additional source)
Acetes johni Nataraj, 1949 (additional source)
Acetes marinus Omori, 1975 (additional source)
Acetes natalensis Barnard, 1955 (basis of record)
Acetes orientalis Achuthankutty & Ayyappan Nair, 1976 accepted as Acetes sibogae sibogae Hansen, 1919 (basis of record)
Acetes paraguayensis Hansen, 1919 (additional source)
Acetes serrulatus (Krøyer, 1859) (additional source)
Acetes sibogae australis Colefax, 1940 (additional source)
Acetes sibogae sibogae Hansen, 1919 (additional source)
Acetes sibogalis Achuthankutty & George, 1973 accepted as Acetes sibogae sibogae Hansen, 1919 (additional source)