• Abyssopathes anomala Molodtsova & Opresko, 2017: Bathyal zone (200-4000 m)
• Abyssopathes lyra (Brook, 1889): Bathyal zone (200-4000 m)
• Abyssopathes lyriformis Opresko, 2002: Bathyal zone (200-4000 m)
• Abyssoprimnoa gemina Cairns, 2015: Bathyal zone (200-4000 m)
• Acanthoisis dhondtae Bayer & Stefani, 1987: Bathyal zone (200-4000 m)
• Acanthoisis flabellum Wright & Studer, 1889: Bathyal zone (200-4000 m)
• Acanthoisis kimbla Alderslade, 1998: Bathyal zone (200-4000 m)
• Acanthoisis myzourida Alderslade, 1998: Bathyal zone (200-4000 m)
• Acanthoisis wrastica Alderslade, 1998: Bathyal zone (200-4000 m)
• Acanthoprimnoa cristata (Kükenthal & Gorzawsky, 1908): Bathyal zone (200-4000 m)
• Acanthoprimnoa goesi (Aurivillius, 1931): Bathyal zone (200-4000 m)
• Acanthoprimnoa pectinata Cairns & Bayer, 2004: Bathyal zone (200-4000 m)
• Acanthoprimnoa serta (Kükenthal & Gorzawsky, 1908): Bathyal zone (200-4000 m)
• Acanthoprimnoa squamosa (Kükenthal & Gorzawsky, 1908): Bathyal zone (200-4000 m)
• Acanthoptilum agassizii Kölliker, 1870: Bathyal zone (200-4000 m)
• Acanthoptilum album Nutting, 1909: Bathyal zone (200-4000 m)
• Acanthoptilum annulatum Nutting, 1909: Bathyal zone (200-4000 m)
• Acanthoptilum gracile (Gabb, 1864): Bathyal zone (200-4000 m)
• Acanthoptilum longifolium Williams, 2007: Bathyal zone (200-4000 m)
• Acanthoptilum oligacis Bayer, 1957: Bathyal zone (200-4000 m)
• Acanthoptilum pourtalesii Kölliker, 1870: Bathyal zone (200-4000 m)
• Acanthoptilum scalpellifolium Moroff, 1902: Bathyal zone (200-4000 m)
• Actinoptilum molle (Kükenthal, 1910): Bathyal zone (200-4000 m)
• Aglaoprimnoa stefanii Bayer, 1996: Bathyal zone (200-4000 m)
• Ainigmaptilon antarcticum (Molander, 1929): Bathyal zone (200-4000 m)
• Ainigmaptilon edisto Bayer, 1950: Bathyal zone (200-4000 m)
• Ainigmaptilon haswelli Dean, 1926: Bathyal zone (200-4000 m)
• Ainigmaptilon virgularoides (Molander, 1929): Bathyal zone (200-4000 m)
• Ainigmaptilon wallini Carlgren, 1943: Bathyal zone (200-4000 m)
• Alaskagorgia aleutiana Sánchez & Cairns, 2004: Bathyal zone (200-4000 m)
• Alaskagorgia splendicitrina Horvath & Stone, 2018: Bathyal zone (200-4000 m)
• Alcyonium acaule Marion, 1878: Bathyal zone (200-4000 m)
• Alcyonium antarcticum Wright & Studer, 1889: Bathyal zone (200-4000 m)
• Alcyonium aspiculatum Tixier-Durivault, 1955: Bathyal zone (200-4000 m)
• Alcyonium bocagei (Saville Kent, 1870): Bathyal zone (200-4000 m)
• Alcyonium bosphorense (Tixier-Durivault, 1961): Bathyal zone (200-4000 m)
• Alcyonium burmedju Sampaio, Stokvis & van Ofwegen, 2016: Bathyal zone (200-4000 m)
• Alcyonium catalai Tixier-Durivault, 1970: Bathyal zone (200-4000 m)
• Alcyonium ceylonense May, 1899: Bathyal zone (200-4000 m)
• Alcyonium clavatum Studer, 1891: Bathyal zone (200-4000 m)
• Alcyonium compactofestucum Verseveldt & van Ofwegen, 1992: Bathyal zone (200-4000 m)
• Alcyonium compressum Studer, 1901: Bathyal zone (200-4000 m)
• Alcyonium coralloides (Pallas, 1766): Bathyal zone (200-4000 m)
• Alcyonium cydonium Linnaeus, 1767 sensu Esper, 1829: Bathyal zone (200-4000 m)
• Alcyonium dendroides Thomson & Dean, 1931: Bathyal zone (200-4000 m)
• Alcyonium digitatum Linnaeus, 1758: Bathyal zone (200-4000 m)
• Alcyonium dolium McFadden & van Ofwegen, 2017: Bathyal zone (200-4000 m)
• Alcyonium elegans (Kükenthal, 1902): Bathyal zone (200-4000 m)
• Alcyonium etheridgei Thomson & Mackinnon, 1911: Bathyal zone (200-4000 m)
• Alcyonium fauri J.S. Thomson, 1910: Bathyal zone (200-4000 m)
• Alcyonium foliatum J. S. Thomson, 1921: Bathyal zone (200-4000 m)
• Alcyonium glaciophilum van Ofwegen, Häussermann & Försterra, 2007: Bathyal zone (200-4000 m)
• Alcyonium glomeratum (Hassall, 1843): Bathyal zone (200-4000 m)
• Alcyonium grandis Casas, Ramil & van Ofwegen, 1997: Bathyal zone (200-4000 m)
• Alcyonium graniferum Tixier-Durivault & d'Hondt, 1974: Bathyal zone (200-4000 m)
• Alcyonium haddoni Wright & Studer, 1889: Bathyal zone (200-4000 m)
• Alcyonium hibernicum (Renouf, 1931): Bathyal zone (200-4000 m)
• Alcyonium jorgei van Ofwegen, Häussermann & Försterra, 2007: Bathyal zone (200-4000 m)
• Alcyonium maristenebrosi (Stiasny, 1937): Bathyal zone (200-4000 m)
• Alcyonium megasclerum Stokvis & van Ofwegen, 2006: Bathyal zone (200-4000 m)
• Alcyonium membranaceum Kükenthal, 1906: Bathyal zone (200-4000 m)
• Alcyonium muricatum Yamada, 1950: Bathyal zone (200-4000 m)
• Alcyonium norvegicum (Koren & Danielssen, 1883): Bathyal zone (200-4000 m)
• Alcyonium novarae Kükenthal, 1906: Bathyal zone (200-4000 m)
• Alcyonium pacificum Yamada, 1950: Bathyal zone (200-4000 m)
• Alcyonium palmatum Pallas, 1766: Bathyal zone (200-4000 m)
• Alcyonium papillosum Pallas, 1766: Bathyal zone (200-4000 m)
• Alcyonium pasternaki Molodtsova, 2013: Bathyal zone (200-4000 m)
• Alcyonium patagonicum (May, 1899): Bathyal zone (200-4000 m)
• Alcyonium paucilobulatum Casas, Ramil & van Ofwegen, 1997: Bathyal zone (200-4000 m)
• Alcyonium profundum Stokvis & van Ofwegen, 2006: Bathyal zone (200-4000 m)
• Alcyonium reptans Kükenthal, 1906: Bathyal zone (200-4000 m)
• Alcyonium robustum Utinomi, 1976: Bathyal zone (200-4000 m)
• Alcyonium roseum (Tixier-Durivault, 1954): Bathyal zone (200-4000 m)
• Alcyonium senegalense Verseveldt & van Ofwegen, 1992: Bathyal zone (200-4000 m)
• Alcyonium siderium Verrill, 1922: Bathyal zone (200-4000 m)
• Alcyonium sollasi Wright & Studer, 1889: Bathyal zone (200-4000 m)
• Alcyonium southgeorgiensis Casas, Ramil & van Ofwegen, 1997: Bathyal zone (200-4000 m)
• Alcyonium spitzbergense Verseveldt & van Ofwegen, 1992: Bathyal zone (200-4000 m)
• Alcyonium spongiosum Esper, 1829: Bathyal zone (200-4000 m)
• Alcyonium studeri (J.S. Thomson, 1910): Bathyal zone (200-4000 m)
• Alcyonium submurale Ridley, 1883: Bathyal zone (200-4000 m)
• Alcyonium variabile (J.S. Thomson, 1921): Bathyal zone (200-4000 m)
• Alcyonium varum McFadden & van Ofwegen, 2013: Bathyal zone (200-4000 m)
• Alcyonium yepayek van Ofwegen, Häussermann & Försterra, 2007: Bathyal zone (200-4000 m)
• Alloptilella moseleyi (Kölliker, 1880): Bathyal zone (200-4000 m)
• Alloptilella splendida Li, Zhan & Xu, 2021: Bathyal zone (200-4000 m)
• Alloptilella williamsi López-González, 2022: Bathyal zone (200-4000 m)
• Alternatipathes alternata (Brook, 1889): Bathyal zone (200-4000 m)
• Alternatipathes bipinnata (Opresko, 2005): Bathyal zone (200-4000 m)
• Alternatipathes venusta Opresko & Wagner, 2020: Bathyal zone (200-4000 m)
• Amphiacme abyssorum (Kükenthal, 1902): Bathyal zone (200-4000 m)
• Amphibelemnon namibiensis López-González, Gili & Williams, 2000: Bathyal zone (200-4000 m)
• Annisis sprightly Alderslade, 1998: Bathyal zone (200-4000 m)
• Anthomastus aberrans (Thomson & Henderson, 1906): Bathyal zone (200-4000 m)
• Anthomastus agaricoides (Thomson & Henderson, 1906): Bathyal zone (200-4000 m)
• Anthomastus agassizii Verrill, 1922: Bathyal zone (200-4000 m)
• Anthomastus antarcticus Kükenthal, 1902: Bathyal zone (200-4000 m)
• Anthomastus bathyproctus Bayer, 1993: Bathyal zone (200-4000 m)
• Anthomastus bayeri d'Hondt, 2020: Bathyal zone (200-4000 m)