RAMS Taxon list
Abietinaria Kirchenpauer, 1884
Abietinaria abietina (Linnaeus, 1758)
Abietinella Levinsen, 1913
Abietinella operculata (Jäderholm, 1903)
Abylidae L. Agassiz, 1862
Abylopsinae Totton, 1954
Acanthogorgia Gray, 1857
Acanthogorgia incrustata Kükenthal, 1919
Acanthogorgia laxa Wright & Studer, 1889
Acanthogorgiidae Gray, 1859 accepted as Paramuriceidae Bayer, 1956
Acontiaria Stephenson, 1935
Acryptolaria Norman, 1875
Acryptolaria corniformis Naumov & Stepanjants, 1962
Actinauge Verrill, 1883
Actinauge verrilli McMurrich, 1893 accepted as Actinauge verrillii McMurrich, 1893
Actinauge verrillii McMurrich, 1893
Actinernidae Stephenson, 1922
Actinernoidea Stephenson, 1922
Actinernus Verrill, 1879
Actinernus elongatus (Hertwig, 1882)
Actiniaria
Actiniaria incertae sedis (temporary name )
Actiniidae Rafinesque, 1815
Actinioidea Rafinesque, 1815
Actinioidea Rodríguez & Daly in Rodríguez et al., 2014 accepted as Actinioidea Rafinesque, 1815
Actinoscyphia Stephenson, 1920
Actinoscyphia plebeia (McMurrich, 1893)
Actinoscyphiidae Stephenson, 1920
Actinostola Verrill, 1883
Actinostola crassicornis (Hertwig, 1882)
Actinostolidae Carlgren, 1932
Actinostoloidea Carlgren, 1932
Adelopora Cairns, 1982
Adelopora pseudothyron Cairns, 1982
Aegina Eschscholtz, 1829
Aegina citrea Eschscholtz, 1829
Aeginidae Gegenbaur, 1857
Aeginura Haeckel, 1879
Aeginura grimaldii Maas, 1904
Agalma Eschscholtz, 1825
Agalma elegans (M. Sars, 1846)
Agalmatidae Brandt, 1834
Agalmidae accepted as Agalmatidae Brandt, 1834
Aglaoprimnoa Bayer, 1996
Aglaoprimnoa stefanii Bayer, 1996
Ainigmaptilon Dean, 1926
Ainigmaptilon antarcticum (Molander, 1929)
Ainigmaptilon edisto Bayer, 1950
Ainigmaptilon virgularoides (Molander, 1929)
Aiptasia Gosse, 1858
Aiptasia minima Stephenson, 1918 accepted as Aiptasiomorpha minima (Stephenson, 1918)
Aiptasia prima (Stephenson, 1918) (uncertain )
Aiptasiidae Carlgren, 1924
Aiptasioides Stephenson, 1918 accepted as Aiptasia Gosse, 1858
Aiptasioides prima Stephenson, 1918 accepted as Aiptasia prima (Stephenson, 1918)
Aiptasiomorpha Stephenson, 1920
Aiptasiomorpha minima (Stephenson, 1918)
Aiptasiomorphidae Carlgren, 1949
Alcyonacea accepted as Octocorallia
Alcyoniidae Lamouroux, 1812
Alcyoniina accepted as Malacalcyonacea
Alcyonium Linnaeus, 1758
Alcyonium antarcticum Wright & Studer, 1889
Allopora Ehrenberg, 1834 accepted as Stylaster Gray, 1831
Allopora profunda Moseley, 1879 accepted as Stylaster profundus (Moseley, 1879)
Allopora robusta Cairns, 1983 accepted as Stylaster robustus (Cairns, 1983)
Alternatipathes Molodtsova & Opresko, 2017
Alternatipathes alternata (Brook, 1889)
Amphicaryon Chun, 1888
Amphicaryon acaule Chun, 1888
Amphicaryon ernesti Totton, 1954
Amphicaryon peltifera (Haeckel, 1888)
Amphicaryoninae Chun, 1888
Amphinema Haeckel, 1879
Amphinema rubrum (Kramp, 1957)
Amphisbetia L. Agassiz, 1862
Amphisbetia operculata (Linnaeus, 1758)
Amphisbetia rectitheca (Ritchie, 1907)
Amphogona Browne, 1905
Amphogona apicata Kramp, 1957
Amyostaurida
Anenthemonae
Antarctoscyphus Pena Cantero, Garcia Carrascosa & Vervoort, 1997
Antarctoscyphus admirabilis Peña Cantero, Svoboda & Vervoort, 1999
Antarctoscyphus asymmetricus Peña Cantero, Garcia Carrascosa & Vervoort, 1997
Antarctoscyphus biformis (Jäderholm, 1905)
Antarctoscyphus elongatus (Jäderholm, 1904)
Antarctoscyphus encarnae Peña Cantero, Garcia Carrascosa & Vervoort, 1997
Antarctoscyphus fragilis Peña Cantero, Svoboda & Vervoort, 1999
Antarctoscyphus grandis (Blanco, 1977)
Antarctoscyphus gruzovi (Stepanjants, 1979)
Antarctoscyphus mawsoni (Briggs, 1938)
Antarctoscyphus spiralis (Hickson & Gravely, 1907)
Anthoathecata
Anthoathecata incertae sedis (temporary name )
Anthomastinae Verrill, 1922
Anthomastus Verrill, 1878
Anthomastus antarcticus Kükenthal, 1902
Anthomastus bathyproctus Bayer, 1993
Anthoptilidae Kölliker, 1880