Abyla Quoy & Gaimard, 1827 (extant flag source)
Abyla Quoy & Gaimard, 1827 (basis of record)
Abylopsis Chun, 1888 (extant flag source)
Abylopsis Chun, 1888 (basis of record)
Acalycigorgia Kükenthal & Gorzawsky, 1908 accepted as Acanthogorgia Gray, 1857 (basis of record)
Acalycigorgia Kükenthal & Gorzawsky, 1908 accepted as Acanthogorgia Gray, 1857 (extant flag source)
Acaulis Stimpson, 1854 (basis of record)
Acaulis Stimpson, 1854 (extant flag source)
Acontiophorum Carlgren, 1938 (basis of record)
Acontiophorum Carlgren, 1938 (extant flag source)
Acraspedanthus Carlgren, 1924 (basis of record)
Acraspedanthus Carlgren, 1924 (extant flag source)
Acropora Oken, 1815 (basis of record)
Actinastrea d'Orbigny, 1849 (basis of record)
Actineria Quoy & Gaimard in de Blainville, 1830 (extant flag source)
Actineria Quoy & Gaimard in de Blainville, 1830 (basis of record)
Actinodendron Quoy & Gaimard in de Blainville, 1830 (extant flag source)
Actinodendron Quoy & Gaimard in de Blainville, 1830 (basis of record)
Actinoporus Duchassaing, 1850 (extant flag source)
Actinoporus Duchassaing, 1850 (basis of record)
Actinoptilum Kükenthal, 1911 (extant flag source)
Actinoptilum Kükenthal, 1911 (basis of record)
Actinostephanus Kwietniewski, 1897 (basis of record)
Actinostephanus Kwietniewski, 1897 (extant flag source)
Aegina Eschscholtz, 1829 (basis of record)
Aegina Eschscholtz, 1829 (extant flag source)
Aeginodiscus Haeckel, 1879 (extant flag source)
Aeginodiscus Haeckel, 1879 (basis of record)
Aeginopsis Brandt, 1835 (basis of record)
Aeginopsis Brandt, 1835 (extant flag source)
Aeginura Haeckel, 1879 (extant flag source)
Aeginura Haeckel, 1879 (basis of record)
Aequorea Péron & Lesueur, 1810 (extant flag source)
Aequorea Péron & Lesueur, 1810 (basis of record)
Agaricia Lamarck, 1801 (basis of record)
Aiptasiomorpha Stephenson, 1920 (extant flag source)
Aiptasiomorpha Stephenson, 1920 (basis of record)
Alveopora Blainville, 1830 (basis of record)
Amphiacme Kükenthal, 1903 (extant flag source)
Amphiacme Kükenthal, 1903 (basis of record)
Anacropora Ridley, 1884 (basis of record)
Anacropora Ridley, 1884 (extant flag source)
Andwakia accepted as Andvakia Danielssen, 1890 (extant flag source)
Andwakia accepted as Andvakia Danielssen, 1890 (basis of record)
Angelopsis Lens & van Reimsdijk, 1908 (basis of record)
Angelopsis Lens & van Reimsdijk, 1908 (extant flag source)
Anomalorhiza Light, 1921 (extant flag source)
Anomalorhiza Light, 1921 (basis of record)
Anomastraea Marenzeller, 1901 (name verified source)
Anomastraea Marenzeller, 1901 (basis of record)
Anthemiphyllia Pourtalès, 1878 (basis of record)
Anthogorgia Verrill, 1868 (basis of record)
Anthogorgia Verrill, 1868 (extant flag source)
Anthothoe Carlgren, 1938 (basis of record)
Anthothoe Carlgren, 1938 (extant flag source)
Apolemia Eschscholtz, 1829 (basis of record)
Apolemia Eschscholtz, 1829 (extant flag source)
Archangelopsis Lens & van Riemsdijk, 1908 (basis of record)
Archangelopsis Lens & van Riemsdijk, 1908 (extant flag source)
Arum Cocks, 1853 accepted as Candelabrum de Blainville, 1830 (extant flag source)
Arum Cocks, 1853 accepted as Candelabrum de Blainville, 1830 (basis of record)
Astreopora Blainville, 1830 (basis of record)
Asyncoryne Warren, 1908 (extant flag source)
Asyncoryne Warren, 1908 (basis of record)
Athorybia Eschscholtz, 1829 (extant flag source)
Athorybia Eschscholtz, 1829 (basis of record)
Atolla Haeckel, 1880 (basis of record)
Atolla Haeckel, 1880 (extant flag source)
Atorella Vanhöffen, 1902 (extant flag source)
Atorella Vanhöffen, 1902 (basis of record)
Aureliania Gosse, 1860 (extant flag source)
Aureliania Gosse, 1860 (basis of record)
Australomedusa Russell, 1970 (extant flag source)
Australomedusa Russell, 1970 (basis of record)
Bargmannia Totton, 1954 (basis of record)
Bargmannia Totton, 1954 (extant flag source)
Bartholomea Duchassaing de Fombressin & Michelotti, 1864 (extant flag source)
Bartholomea Duchassaing de Fombressin & Michelotti, 1864 (basis of record)
Bassia Quoy & Gaimard in de Blainville, 1830 (basis of record)
Bassia Quoy & Gaimard in de Blainville, 1830 (extant flag source)
Bathyphysa Studer, 1878 (basis of record)
Bathyphysa Studer, 1878 (extant flag source)
Bathytrochus Gravier, 1915 (extant flag source)
Bathytrochus Gravier, 1915 (basis of record)
Blackfordia Mayer, 1910 (extant flag source)
Blackfordia Mayer, 1910 (basis of record)
Blastothela Verrill, 1876 (extant flag source)
Blastothela Verrill, 1876 (basis of record)
Boloceractis Panikkar, 1937 (extant flag source)
Boloceractis Panikkar, 1937 (basis of record)
Boloceroides Carlgren, 1899 (extant flag source)
Boloceroides Carlgren, 1899 (basis of record)
Boninastraea (basis of record)
Boninastraea (extant flag source)
Bonneviella Broch, 1909 (basis of record)
Bonneviella Broch, 1909 (extant flag source)
Botruanthus McMurrich, 1910 (extant flag source)
Botruanthus McMurrich, 1910 (basis of record)
Botrucnidifer Carlgren, 1912 (basis of record)
Botrucnidifer Carlgren, 1912 (extant flag source)