Acantheurypon scabiosum Topsent, 1927 accepted as Eurypon scabiosum (Topsent, 1927) (additional source)
Adocia cinerea (Grant, 1826) accepted as Haliclona (Reniera) cinerea (Grant, 1826) (additional source)
Alectona Carter, 1879 (additional source)
Alectona millari Carter, 1879 (additional source)
Amphilectus fucorum (Esper, 1794) (additional source)
Aplysilla sulfurea Schulze, 1878 (additional source)
Asbestopluma pennatula (Schmidt, 1875) represented as Asbestopluma (Asbestopluma) pennatula (Schmidt, 1875) (additional source)
Biemna variantia (Bowerbank, 1858) (additional source)
Choanites ficus (Johnston, 1842) accepted as Suberites ficus (Johnston, 1842) (new combination reference)
Cladorhiza abyssicola Sars, 1872 (additional source)
Coelosphaera physa (Schmidt, 1875) represented as Coelosphaera (Coelosphaera) physa (Schmidt, 1875) (additional source)
Crella pyrula (Carter, 1876) represented as Crella (Yvesia) pyrula (Carter, 1876) (additional source)
Dragmastra normani (Sollas, 1880) accepted as Stelletta normani Sollas, 1880 (additional source)
Dysidea fragilis (Montagu, 1814) (additional source)
Forcepia forcipis (Bowerbank, 1866) represented as Forcepia (Forcepia) forcipis (Bowerbank, 1866) (additional source)
Gellius arnesenae Arndt, 1927 accepted as Hemigellius pumiceus (Fristedt, 1885) (additional source)
Geodia barretti Bowerbank, 1858 (additional source)
Grantia capillosa (Schmidt, 1862) (additional source)
Hamacantha falcula (Bowerbank, 1874) represented as Hamacantha (Vomerula) falcula (Bowerbank, 1874) (additional source)
Hymedesmia bractea Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) bractea Lundbeck, 1910 (additional source)
Hymedesmia curvichela Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) curvichela Lundbeck, 1910 (additional source)
Hymedesmia digitata Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) digitata Lundbeck, 1910 (additional source)
Hymedesmia filifera (Schmidt, 1875) represented as Hymedesmia (Hymedesmia) filifera (Schmidt, 1875) (additional source)
Hymedesmia koehleri (Topsent, 1896) represented as Hymedesmia (Hymedesmia) koehleri (Topsent, 1896) (additional source)
Hymedesmia lamina Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) lamina Lundbeck, 1910 (additional source)
Hymedesmia mollis Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) mollis Lundbeck, 1910 (additional source)
Hymedesmia perforata Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) perforata Lundbeck, 1910 (additional source)
Hymedesmia procumbens Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) procumbens Lundbeck, 1910 (additional source)
Hymedesmia similis Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) similis Lundbeck, 1910 (additional source)
Hymedesmia storea Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) storea Lundbeck, 1910 (additional source)
Hymedesmia tenuicula Lundbeck, 1910 accepted as Hymedesmia (Hymedesmia) williami Van Soest & Hooper, 2020 (additional source)
Hymedesmia tenuisigma Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) tenuisigma Lundbeck, 1910 (additional source)
Hymedesmia truncata Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) truncata Lundbeck, 1910 (additional source)
Hymedesmia verrucosa Lundbeck, 1910 represented as Hymedesmia (Hymedesmia) verrucosa Lundbeck, 1910 (additional source)
Hymenancora conjungens Lundbeck, 1910 (additional source)
Iophon piceus (Vosmaer, 1882) accepted as Iophon piceum (Vosmaer, 1882) (additional source)
Isops phlegraei Sollas, 1880 accepted as Geodia phlegraei (Sollas, 1880) (additional source)
Leucosolenia blanca (Miklucho-Maclay, 1868) accepted as Clathrina blanca (Miklucho-Maclay, 1868) (additional source)
Melonanchora emphysema (Schmidt, 1875) (additional source)
Microciona acanthotoxa (Stephens, 1916) accepted as Clathria (Clathria) acanthotoxa (Stephens, 1916) (new combination reference)
Mycale lingua (Bowerbank, 1866) represented as Mycale (Mycale) lingua (Bowerbank, 1866) (additional source)
Mycale placoides (Carter, 1876) accepted as Mycale (Mycale) lingua (Bowerbank, 1866) (additional source)
Myxilla fimbriata (Bowerbank, 1866) represented as Myxilla (Myxilla) fimbriata (Bowerbank, 1866) (additional source)
Myxilla incrustans (Johnston, 1842) represented as Myxilla (Myxilla) incrustans (Johnston, 1842) (additional source)
Pachymatisma johnstonia (Bowerbank in Johnston, 1842) (additional source)
Phakellia robusta Bowerbank, 1866 (additional source)
Phakellia ventilabrum (Linnaeus, 1767) (additional source)
Plocamionida ambigua (Bowerbank, 1866) (additional source)
Plocamionida microcionides (Carter, 1876) (additional source)
Polymastia robusta Bowerbank, 1862 accepted as Polymastia boletiformis (Lamarck, 1815) (additional source)
Prosuberites epiphytum sensu Topsent, 1900 accepted as Protosuberites denhartogi van Soest & de Kluijver, 2003 (additional source)
Pseudosuberites hyalinus (Ridley & Dendy, 1887) (additional source)
Quasillina brevis (Bowerbank, 1861) (additional source)
Spinularia spinularia (Bowerbank, 1866) (additional source)
Spongionella pulchella (Sowerby, 1804) (additional source)
Stryphnus fortis (Vosmaer, 1885) (additional source)
Stylocordyla borealis (Lovén, 1868) (additional source)
Stylopus aceratus (Topsent, 1904) accepted as Hymedesmia (Stylopus) acerata (Topsent, 1904) (new combination reference)
Suberites carnosus (Johnston, 1842) (additional source)
Sycon ciliatum (Fabricius, 1780) (additional source)
Sycon raphanus Schmidt, 1862 (additional source)
Tentorium semisuberites (Schmidt, 1870) (additional source)
Tetilla cranium (Müller, 1776) accepted as Craniella cranium (Müller, 1776) (additional source)
Thoosa Hancock, 1849 (additional source)
Thoosidae Cockerell, 1925 (status source)
Topsentia fibrosa (Fristedt, 1887) (additional source)
Tragosia infundibuliformis (Linnaeus, 1759) accepted as Axinella infundibuliformis (Linnaeus, 1759) (additional source)

North Sea for Acantheurypon scabiosum Topsent, 1927 
North Sea for Adocia cinerea (Grant, 1826) 
North Sea for Amphilectus fucorum (Esper, 1794) 
North Sea for Aplysilla sulfurea Schulze, 1878 
North Sea for Asbestopluma pennatula (Schmidt, 1875) 
North Sea for Biemna variantia (Bowerbank, 1858) 
North Sea for Choanites ficus (Johnston, 1842) 
North Sea for Cladorhiza abyssicola Sars, 1872 
North Sea for Coelosphaera physa (Schmidt, 1875) 
North Sea for Crella pyrula (Carter, 1876) 
North Sea for Dragmastra normani (Sollas, 1880) 
North Sea for Dysidea fragilis (Montagu, 1814) 
North Sea for Forcepia forcipis (Bowerbank, 1866) 
North Sea for Gellius arnesenae Arndt, 1927 
North Sea for Geodia barretti Bowerbank, 1858 
North Sea for Grantia capillosa (Schmidt, 1862) 
North Sea for Grantia capillosa (Schmidt, 1862) 
North Sea for Hymedesmia bractea Lundbeck, 1910 
North Sea for Hymedesmia curvichela Lundbeck, 1910 
North Sea for Hymedesmia digitata Lundbeck, 1910 
North Sea for Hymedesmia filifera (Schmidt, 1875) 
North Sea for Hymedesmia koehleri (Topsent, 1896) 
North Sea for Hymedesmia lamina Lundbeck, 1910 
North Sea for Hymedesmia mollis Lundbeck, 1910 
North Sea for Hymedesmia perforata Lundbeck, 1910 
North Sea for Hymedesmia procumbens Lundbeck, 1910 
North Sea for Hymedesmia similis Lundbeck, 1910 
North Sea for Hymedesmia storea Lundbeck, 1910 
North Sea for Hymedesmia tenuicula Lundbeck, 1910 
North Sea for Hymedesmia tenuisigma Lundbeck, 1910 
North Sea for Hymedesmia truncata Lundbeck, 1910 
North Sea for Hymedesmia verrucosa Lundbeck, 1910 
North Sea for Hymenancora conjungens Lundbeck, 1910 
North Sea for Iophon piceus (Vosmaer, 1882) 
North Sea for Isops phlegraei Sollas, 1880 
North Sea for Leucosolenia blanca (Miklucho-Maclay, 1868) 
North Sea for Melonanchora emphysema (Schmidt, 1875) 
North Sea for Microciona acanthotoxa (Stephens, 1916) 
North Sea for Mycale lingua (Bowerbank, 1866) 
North Sea for Mycale placoides (Carter, 1876) 
North Sea for Myxilla fimbriata (Bowerbank, 1866) 
North Sea for Myxilla fimbriata (Bowerbank, 1866) 
North Sea for Myxilla incrustans (Johnston, 1842) 
North Sea for Pachymatisma johnstonia (Bowerbank in Johnston, 1842)  (inaccurate)
North Sea for Phakellia robusta Bowerbank, 1866 
North Sea for Phakellia ventilabrum (Linnaeus, 1767) 
North Sea for Plocamionida ambigua (Bowerbank, 1866) 
North Sea for Plocamionida microcionides (Carter, 1876) 
North Sea for Polymastia robusta Bowerbank, 1862 
North Sea for Prosuberites epiphytum sensu Topsent, 1900 
North Sea for Spinularia spinularia (Bowerbank, 1866) 
North Sea for Spongionella pulchella (Sowerby, 1804) 
North Sea for Stylocordyla borealis (Lovén, 1868) 
North Sea for Stylopus aceratus (Topsent, 1904) 
North Sea for Sycon ciliatum (Fabricius, 1780) 
North Sea for Sycon raphanus Schmidt, 1862 
North Sea for Tentorium semisuberites (Schmidt, 1870) 
North Sea for Tetilla cranium (Müller, 1776) 
North Sea for Topsentia fibrosa (Fristedt, 1887) 
North Sea for Tragosia infundibuliformis (Linnaeus, 1759) 
Southern Norway for Hamacantha falcula (Bowerbank, 1874) 
Swedish part of the Skagerrak for Stryphnus fortis (Vosmaer, 1885)