ARMS Taxon list
Abietinaria Kirchenpauer, 1884
Abietinaria abietina (Linnaeus, 1758)
Abietinaria filicula (Ellis & Solander, 1786)
Abietinaria fusca (Johnston, 1847)
Abietinaria pulchra (Nutting, 1904)
Abietinaria thuiarioides (Clark, 1877)
Abietinaria turgida (Clark, 1877)
Acaulidae Fraser, 1924
Acaulis Stimpson, 1853
Acaulis primarius Stimpson, 1853
Acontiaria Stephenson, 1935
Acryptolaria Norman, 1875
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
Actinostola Verrill, 1883
Actinostola callosa (Verrill, 1882)
Actinostolidae Carlgren, 1932
Actinostoloidea Carlgren, 1932
Actinulida
Aegina Eschscholtz, 1829
Aegina citrea Eschscholtz, 1829
Aegina rosea Eschscholtz, 1829
Aeginidae Gegenbaur, 1857
Aeginopsis Brandt, 1835
Aeginopsis laurentii Brandt, 1838
Agalmatidae Brandt, 1834
Aglantha Haeckel, 1879
Aglantha digitale (O. F. Müller, 1776)
Aglaophenia Lamouroux, 1812
Aglaophenia compressa Bonnevie, 1899 accepted as Cladocarpus bonnevieae Jäderholm, 1909 accepted as Aglaophenopsis bonnevieae (Jäderholm, 1909)
Aglaopheniidae Marktanner-Turneretscher, 1890
Aglaophenopsis Fewkes, 1881
Aglaophenopsis bonnevieae (Jäderholm, 1909)
Alcyonacea accepted as Octocorallia
Alcyonidium auct. accepted as Alcyonium Linnaeus, 1758
Alcyoniidae Lamouroux, 1812
Alcyoniina accepted as Malacalcyonacea
Alcyonium Linnaeus, 1758
Anenthemonae
Anthoathecata
Antholoba Hertwig, 1882
Antholoba achates (Drayton in Dana, 1846)
Anthosactis Danielssen, 1890
Anthosactis janmayeni Danielssen, 1890
Anthozoa
Aplanulata
Aplanulata incertae sedis (temporary name )
Athenaria
Atolla Haeckel, 1880
Atolla tenella Hartlaub, 1909
Atollidae Hickson, 1906
Aulactinia Agassiz in Verrill, 1864
Aulactinia spetsbergensis (Carlgren, 1921) (uncertain > nomen dubium )
Aulactinia stella (Verrill, 1864)
Aurelia Lamarck, 1816
Aurelia aurita (Linnaeus, 1758)
Aureliinae Agassiz, 1862
Balticina Gray, 1870
Balticina finmarchica (Sars, 1851)
Balticinidae Balss, 1910
Bathykorus Raskoff, 2010
Bathykorus bouilloni Raskoff, 2010
Benthocodon Larson & Harbison, 1990
Benthocodon hyalinus Larson & Harbison, 1990
Bolocera Gosse, 1860
Bolocera tuediae (Johnston, 1832)
Bonneviella Broch, 1909
Bonneviella grandis (Allman, 1876)
Bonneviellidae Broch, 1909
Boreohydra Westblad, 1937 accepted as Plotocnide Wagner, 1885
Boreohydra simplex Westblad, 1937 accepted as Plotocnide borealis Wagner, 1885
Boreohydridae Westblad, 1947
Botrynema Browne, 1908
Botrynema brucei Browne, 1908
Botrynema brucei ellinorae (Hartlaub, 1909)
Botrynema ellinorae (Hartlaub, 1909) accepted as Botrynema brucei ellinorae (Hartlaub, 1909)
Bougainvillia Lesson, 1830
Bougainvillia britannica (Forbes, 1841)
Bougainvillia multitentaculata Foerster, 1923
Bougainvillia muscus (Allman, 1863)
Bougainvillia principis (Steenstrup, 1850)
Bougainvillia superciliaris (L. Agassiz, 1849)
Bougainvillia yoldiaearcticae (Birula, 1897) accepted as Halitholus yoldiaearcticae (Birula, 1897)
Bougainvilliidae Lütken, 1850
Bythotiaridae Maas, 1905
Cactosoma Danielssen, 1890
Cactosoma abyssorum Danielssen, 1890
Calcaxonia accepted as Scleralcyonacea
Calycella Hincks, 1864 in Allman, 1864
Calycella syringa (Linnaeus, 1767)
Calycophorae
Calycopsis Fewkes, 1882
Calycopsis birulai (Linko, 1913) accepted as Eumedusa birulai (Linko, 1913)
Calycopsis nematophora Bigelow, 1913
Campanularia Lamarck, 1816
Campanularia crenata Allman, 1876
Campanularia groenlandica Levinsen, 1893