Abietinaria abietina (Linnaeus, 1758) (additional source)
Abietinaria fusca (Johnston, 1847) (redescription)
Abietinaria pulchra (Nutting, 1904) (redescription)
Bonneviella grandis (Allman, 1876) (redescription)
Campanularia crenata Allman, 1876 accepted as Tulpa crenata (Allman, 1876) (additional source)
Campanularia groenlandica Levinsen, 1893 (redescription)
Campanulina pumila (Clark, 1875) (redescription)
Cladocarpus campanulatus Ritchie, 1912 (additional source)
Cladocarpus diana Broch, 1918 (redescription)
Cladocarpus formosus Allman, 1877 (redescription)
Clava Gmelin, 1791 (redescription)
Diphasia rosacea (Linnaeus, 1758) (redescription)
Euphysa aurata Forbes, 1848 (additional source)
Filellum serpens (Hassall, 1848) (additional source)
Grammaria abietina (Sars, 1851) (additional source)
Grammaria borealis (Levinsen, 1893) (additional source)
Halecium birulai Spassky, 1929 (redescription)
Halecium curvicaule Lorenz, 1886 (redescription)
Halecium groenlandicum Kramp, 1911 (additional source)
Halecium laeve Kramp, 1932 (redescription)
Halecium minutum Broch, 1903 (redescription)
Halecium muricatum (Ellis & Solander, 1786) (additional source)
Halecium sessile Norman, 1867 (redescription)
Halecium tenellum Hincks, 1861 (additional source)
Halecium textum Kramp, 1911 (redescription)
Halecium undulatum Billard, 1921 accepted as Halecium textum Kramp, 1911 (status source)
Halisiphonia arctica Kramp, 1932 (redescription)
Hydractinia carica Bergh, 1887 (redescription)
Hydractinia echinata (Fleming, 1828) (additional source)
Hydractinia monocarpa Allman, 1876 (additional source)
Hydrallmania falcata (Linnaeus, 1758) (additional source)
Lafoea dumosa (Fleming, 1820) (status source)
Lafoeina maxima Levinsen, 1893 (redescription)
Opercularella lacerata (Johnston, 1847) (redescription)
Schizotricha frutescens (Ellis & Solander, 1786) (redescription)
Sertularella gayi (Lamouroux, 1821) (additional source)
Sertularia fabricii Levinsen, 1893 (redescription)
Sertularia schmidti Kudelin, 1914 (redescription)
Stegopoma plicatile (Sars, 1863) accepted as Ptychogena crocea Kramp & Damas, 1925 (redescription)
Streptocaulus pectiniferus (Allman, 1883) (redescription)
Symplectoscyphus amphoriferus (Allman, 1877) (redescription)
Symplectoscyphus bathyalis Vervoort, 1972 (redescription)
Tamarisca tamarisca (Linnaeus, 1758) (redescription)
Thuiaria alternitheca Levinsen, 1893 (additional source)
Thuiaria arctica (Bonnevie, 1899) (redescription)
Thuiaria articulata (Pallas, 1766) (redescription)
Thuiaria carica Levinsen, 1893 (redescription)
Thuiaria hartlaubi (Nutting, 1904) (additional source)
Thuiaria sachalini Kudelin, 1914 (redescription)
Zygophylax brownei Billard, 1924 (additional source)