• Primno Guérin-Méneville, 1836
• Primno abyssalis (Bowman in Fulton, 1968)
• Primno brevidens Bowman, 1978
• Primno evansi Sheader, 1986
• Primno johnsoni Bowman, 1978
• Primno latreillei Stebbing, 1888
• Primno macropa Guérin-Méneville, 1836
• Primnoa Lamouroux, 1812
• Primnoa antarctica Valenciennes, 1846 accepted as Thouarella (Thouarella) antarctica (Valenciennes, 1846)
• Primnoa arborea (uncertain > unassessed)
• Primnoa australasiae Gray, 1849 accepted as Primnoella australasiae (Gray, 1849)
• Primnoa bisquama Taylor & Rogers, 2017
• Primnoa compressa Verrill, 1865 accepted as Callogorgia compressa (Verrill, 1865)
• Primnoa costata Nielsen, 1913 † (uncertain > taxon inquirendum)
• Primnoa ellisii Koch, 1877 (uncertain > unassessed)
• Primnoa flabellum Ehrenberg, 1834 accepted as Callogorgia flabellum (Ehrenberg, 1834)
• Primnoa gracilis Milne Edwards & Haime, 1857 accepted as Callogorgia gracilis (Milne Edwards & Haime, 1857)
• Primnoa gracilis Nielsen, 1925 † accepted as Epiphaxum auloporoides Lonsdale, 1850 †
• Primnoa imbricata Johnson, 1862 accepted as Candidella imbricata (Johnson, 1862)
• Primnoa lepadifera Gray, 1859 (uncertain > unassessed)
• Primnoa myura (Lamarck, 1815) accepted as Myura simplex Gray, 1859
• Primnoa notialis Cairns & Bayer, 2005
• Primnoa pacifica Kinoshita, 1907
• Primnoa pacifica var. pacifica Kinoshita, 1907 represented as Primnoa pacifica Kinoshita, 1907
• Primnoa pacifica var. willeyi (Hickson, 1915)
• Primnoa plumatilis Milne Edwards & Haime, 1857 accepted as Pterostenella plumatilis (Milne Edwards & Haime, 1857)
• Primnoa pourtalesii Verrill, 1883 accepted as Plumarella pourtalesii (Verrill, 1883)
• Primnoa regularis Duchassaing & Michelotti, 1860 accepted as Narella regularis (Duchassaing & Michelotti, 1860)
• Primnoa reseda (Pallas, 1766) accepted as Primnoa resedaeformis (Gunnerus, 1763)
• Primnoa reseda pacifica (Kinoshita, 1907) accepted as Primnoa pacifica Kinoshita, 1907
• Primnoa resedaeformis (Gunnerus, 1763)
• Primnoa resedaeformis typica (Gunnerus, 1763)
• Primnoa resedaeformis var. pacifica (Kinoshita, 1907) accepted as Primnoa pacifica Kinoshita, 1907
• Primnoa rossii (Gray, 1872) accepted as Fannyella (Fannyella) rossii Gray, 1872
• Primnoa trilepis Pourtalès, 1868 accepted as Calyptrophora trilepis (Pourtalès, 1868)
• Primnoa verticillaris Esper (uncertain > unassessed)
• Primnoa willeyi Hickson, 1915 accepted as Primnoa pacifica var. willeyi (Hickson, 1915)
• Primnoa wingi Cairns & Bayer, 2005
• Primnocapsa Zapata-Guardiola & López-González, 2012
• Primnocapsa plumacea (Thomson & Mackinnon, 1911)
• Primnodendron Nutting, 1912 accepted as Thouarella (Thouarella) Gray, 1870
• Primnodendron superbum Nutting, 1912 accepted as Plumarella superba (Nutting, 1912)
• Primnoeides Studer & Wright, 1887
• Primnoeides brochi (Zapata-Guardiola & López-González, 2010)
• Primnoeides flagellum Taylor & Rogers, 2017
• Primnoeides kuekenthali (Zapata-Guardiola & López-González, 2010)
• Primnoeides sertularoides Wright & Studer, 1889
• Primnoella Gray, 1858
• Primnoella antarctica Kükenthal, 1907
• Primnoella australasiae (Gray, 1849)
• Primnoella biserialis Wright & Studer, 1889 accepted as Primnoella chilensis (Philippi, 1894)
• Primnoella chilensis (Philippi, 1894)
• Primnoella compressa Kükenthal, 1908 accepted as Primnoella scotiae Thomson & Ritchie, 1906
• Primnoella delicata (Kinoshita, 1907) accepted as Plumarella delicata (Kinoshita, 1907)
• Primnoella delicatissima Kükenthal, 1909
• Primnoella distans Studer, 1878
• Primnoella divaricata (Studer, 1878)
• Primnoella divergens Hickson, 1907 accepted as Convexella divergens (Hickson, 1907)
• Primnoella flagellum Studer, 1878 accepted as Convexella magelhaenica (Studer, 1879)
• Primnoella gracilis Molander, 1929 accepted as Arntzia gracilis (Molander, 1929)
• Primnoella grandisquamis Wright & Studer, 1889
• Primnoella indica Kükenthal, 1907 accepted as Callogorgia formosa Kükenthal, 1907
• Primnoella insularis Cairns, 2016
• Primnoella jungerseni Madsen, 1944 accepted as Convexella jungerseni (Madsen, 1944)
• Primnoella krampi Madsen, 1956 accepted as Convexella krampi (Madsen, 1956)
• Primnoella kukenthali Gravier, 1913 accepted as Ophidiogorgia kuekenthali (Gravier, 1913)
• Primnoella laevis (Thomson & Mackinnon, 1911)
• Primnoella magelhaenica Studer, 1878 accepted as Convexella magelhaenica (Studer, 1879)
• Primnoella magellanica Studer, 1878 represented as Primnoella magelhaenica Studer, 1878 accepted as Convexella magelhaenica (Studer, 1879)
• Primnoella murrayi Wright & Studer, 1889 accepted as Convexella murrayi (Wright & Studer, 1889)
• Primnoella philippii Aurivillius, 1931 accepted as Primnoella chilensis (Philippi, 1894)
• Primnoella polita Deichmann, 1936
• Primnoella scotiae Thomson & Ritchie, 1906
• Primnoella vanhoeffeni Kükenthal, 1909 accepted as Convexella magelhaenica (Studer, 1879)
• Primnoella vanhoeffeni Kükenthal, 1912 accepted as Onogorgia nodosa (Molander, 1929)
• Primnoella vanhoffen Kükenthal, 1909 accepted as Primnoella vanhoeffeni Kükenthal, 1909 accepted as Convexella magelhaenica (Studer, 1879)
• Primnoidae Milne Edwards, 1857
• Primnoides Studer & Wright, 1887 represented as Primnoeides Studer & Wright, 1887
• Primnoides sertularoides Wright & Studer, 1889 represented as Primnoeides sertularoides Wright & Studer, 1889
• Primnoisis Studer & Wright, 1887
• Primnoisis (Delicatisis) Moore, Alderslade & Miller, 2016
• Primnoisis (Delicatisis) delicatula (Hickson, 1907)
• Primnoisis (Delicatisis) formosa Gravier, 1913
• Primnoisis (Delicatisis) gracilis (Gravier, 1913)
• Primnoisis (Delicatisis) millerae Moore & Alderslade, 2016
• Primnoisis (Delicatisis) niwa Moore, Alderslade & Miller, 2016
• Primnoisis (Delicatisis) rigida Wright & Studer, 1889
• Primnoisis (Primnoisis) Moore, Alderslade & Miller, 2016
• Primnoisis (Primnoisis) antarctica Wright & Studer, 1889
• Primnoisis (Primnoisis) chatham Moore, Alderslade & Miller, 2016
• Primnoisis (Primnoisis) erymna Moore, Alderslade & Miller, 2016
• Primnoisis (Primnoisis) fragilis Kükenthal, 1912
• Primnoisis alba Thomson & Henderson, 1905 (uncertain > unassessed)
• Primnoisis ambigua Wright & Studer, 1889
• Primnoisis antarctica (Studer, 1878) represented as Primnoisis (Primnoisis) antarctica Wright & Studer, 1889
• Primnoisis armata Kükenthal, 1912 accepted as Echinisis armata (Kükenthal, 1912)
• Primnoisis capensis (Studer, 1878) accepted as Wrightella coccinea (Ellis & Solander, 1786) accepted as Melithaea coccinea (Ellis & Solander, 1786)
• Primnoisis delicatula (Hickson, 1907) represented as Primnoisis (Delicatisis) delicatula (Hickson, 1907)
• Primnoisis formosa Gravier, 1913 represented as Primnoisis (Delicatisis) formosa Gravier, 1913
• Primnoisis fragilis Kükenthal, 1912 represented as Primnoisis (Primnoisis) fragilis Kükenthal, 1912