Anchinoe fictitius (Bowerbank, 1866) accepted as Phorbas fictitius (Bowerbank, 1866) (additional source)
Asbestopluma pennatula (Schmidt, 1875) represented as Asbestopluma (Asbestopluma) pennatula (Schmidt, 1875) (additional source)
Bubaris vermiculata (Bowerbank, 1866) (additional source)
Cladorhiza abyssicola Sars, 1872 (additional source)
Clathria anchorata (Carter, 1874) represented as Clathria (Paresperia) anchorata (Carter, 1874) (additional source)
Clathria dichotoma (Linnaeus, 1767) accepted as Antho (Antho) dichotoma (Linnaeus, 1767) (additional source)
Cyamon spinispinosum (Topsent, 1904) accepted as Acantheurypon spinispinosum (Topsent, 1904) (additional source)
Ectyodoryx atlanticus Stephens, 1916 accepted as Lissodendoryx (Ectyodoryx) atlantica (Stephens, 1916) (original description)
Esperiopsis fucorum (Esper, 1794) accepted as Amphilectus fucorum (Esper, 1794) (additional source)
Esperiopsis incognita Stephens, 1916 (original description)
Esperiopsis macrosigma Stephens, 1916 (original description)
Esperiopsis villosa (Carter, 1874) (additional source)
Eurypon acanthotoxa Stephens, 1916 accepted as Clathria (Clathria) acanthotoxa (Stephens, 1916) (original description)
Eurypon clavatum (Bowerbank, 1866) (additional source)
Eurypon ditoxa Stephens, 1916 accepted as Clathria (Microciona) ditoxa (Stephens, 1916) (original description)
Eurypon hispidulum (Topsent, 1904) (additional source)
Eurypon lacazei (Topsent, 1891) (additional source)
Eurypon microchela Stephens, 1916 accepted as Clathria (Clathria) microchela (Stephens, 1916) (original description)
Eurypon tenuissimum Stephens, 1916 accepted as Clathria (Microciona) tenuissima (Stephens, 1916) (original description)
Forcepia forcipis (Bowerbank, 1866) represented as Forcepia (Forcepia) forcipis (Bowerbank, 1866) (additional source)
Gellius flagellifer Ridley & Dendy, 1886 accepted as Haliclona (Flagellia) flagellifera (Ridley & Dendy, 1886) (additional source)
Grayella pyrula (Carter, 1876) accepted as Crella (Yvesia) pyrula (Carter, 1876) (additional source)
Halichondria fibrosa (Fristedt, 1887) represented as Topsentia fibrosa (Fristedt, 1887) (additional source)
Halicnemia verticillata (Bowerbank, 1866) (additional source)
Hamacantha falcula (Bowerbank, 1874) represented as Hamacantha (Vomerula) falcula (Bowerbank, 1874) (additional source)
Hamacantha johnsoni (Bowerbank, 1864) represented as Hamacantha (Hamacantha) johnsoni (Bowerbank, 1864) (basis of record)
Higginsia thielei Topsent, 1898 (additional source)
Histoderma physa (Schmidt, 1875) accepted as Coelosphaera (Coelosphaera) physa (Schmidt, 1875) (additional source)
Histodermella ingolfi Lundbeck, 1910 (additional source)
Hymedesmia baculifera (Topsent, 1901) represented as Hymedesmia (Hymedesmia) baculifera (Topsent, 1901) (additional source)
Hymedesmia crux (Schmidt, 1875) represented as Hymedesmia (Hymedesmia) crux (Schmidt, 1875) (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 dujardinii (Bowerbank, 1866) accepted as Hymedesmia (Stylopus) coriacea (Fristedt, 1885) (additional source)
Hymedesmia helgae Stephens, 1916 represented as Hymedesmia (Hymedesmia) helgae Stephens, 1916 (original description)
Hymedesmia koehleri (Topsent, 1896) represented as Hymedesmia (Hymedesmia) koehleri (Topsent, 1896) (additional source)
Hymedesmia mucronata (Topsent, 1904) represented as Hymedesmia (Hymedesmia) mucronata (Topsent, 1904) (additional source)
Hymedesmia mutabilis (Topsent, 1904) represented as Hymedesmia (Hymedesmia) mutabilis (Topsent, 1904) (additional source)
Hymedesmia occulta Bowerbank in Norman, 1869 represented as Hymedesmia (Hymedesmia) occulta Bowerbank in Norman, 1869 (additional source)
Hymedesmia spinosa Stephens, 1916 represented as Hymedesmia (Hymedesmia) spinosa Stephens, 1916 (original description)
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)
Iophon nigricans (Bowerbank, 1858) (additional source)
Iotrochota acanthostylifera Stephens, 1916 accepted as Iotroata acanthostylifera (Stephens, 1916) (original description)
Leptosastra constellata Topsent, 1904 (additional source)
Lissodendoryx diversichela Lundbeck, 1905 represented as Lissodendoryx (Ectyodoryx) diversichela Lundbeck, 1905 (additional source)
Metschnikowia spinispiculum (Carter, 1876) accepted as Janulum spinispiculum (Carter, 1876) (additional source)
Mycale fascibula (Topsent, 1904) represented as Mycale (Carmia) fascibula (Topsent, 1904) (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)
Oceanapia robusta (Bowerbank, 1866) (additional source)
Phakellia robusta Bowerbank, 1866 (additional source)
Phloeodictyon elongatum (Topsent, 1892) accepted as Oceanapia elongata (Topsent, 1892) (additional source)
Plocamia ambigua (Bowerbank, 1866) accepted as Plocamionida ambigua (Bowerbank, 1866) (additional source)
Plocamia microcionides (Carter, 1876) accepted as Plocamionida microcionides (Carter, 1876) (additional source)
Rhabderemia guernei Topsent, 1890 (additional source)
Rhaphidotheca marshallhalli Kent, 1870 accepted as Mycale (Rhaphidotheca) marshallhalli (Kent, 1870) (basis of record)
Stylostichon dendyi (Topsent, 1890) accepted as Phorbas dendyi (Topsent, 1890) (additional source)
Suberotelites demonstrans Topsent, 1890 accepted as Phorbas demonstrans (Topsent, 1890) (additional source)
Tragosia arctica (Vosmaer, 1885) accepted as Axinella arctica (Vosmaer, 1885) (new combination reference)
Tragosia infundibuliformis (Linnaeus, 1759) accepted as Axinella infundibuliformis (Linnaeus, 1759) (additional source)
Tylodesma annexa (Schmidt, 1870) accepted as Desmacella annexa Schmidt, 1870 (new combination reference)
Tylodesma informis Stephens, 1916 accepted as Desmacella informis (Stephens, 1916) (additional source)

Celtic Seas for Anchinoe fictitius (Bowerbank, 1866) 
Celtic Seas for Asbestopluma pennatula (Schmidt, 1875) 
Celtic Seas for Bubaris vermiculata (Bowerbank, 1866) 
Celtic Seas for Clathria anchorata (Carter, 1874) 
Celtic Seas for Clathria dichotoma (Linnaeus, 1767) 
Celtic Seas for Cyamon spinispinosum (Topsent, 1904) 
Celtic Seas for Esperiopsis fucorum (Esper, 1794) 
Celtic Seas for Esperiopsis incognita Stephens, 1916 
Celtic Seas for Esperiopsis macrosigma Stephens, 1916 
Celtic Seas for Esperiopsis villosa (Carter, 1874) 
Celtic Seas for Eurypon acanthotoxa Stephens, 1916 
Celtic Seas for Eurypon clavatum (Bowerbank, 1866) 
Celtic Seas for Eurypon ditoxa Stephens, 1916 
Celtic Seas for Eurypon hispidulum (Topsent, 1904) 
Celtic Seas for Eurypon lacazei (Topsent, 1891) 
Celtic Seas for Eurypon microchela Stephens, 1916 
Celtic Seas for Eurypon tenuissimum Stephens, 1916 
Celtic Seas for Forcepia forcipis (Bowerbank, 1866) 
Celtic Seas for Gellius flagellifer Ridley & Dendy, 1886  (inaccurate)
Celtic Seas for Grayella pyrula (Carter, 1876) 
Celtic Seas for Halicnemia verticillata (Bowerbank, 1866) 
Celtic Seas for Hamacantha johnsoni (Bowerbank, 1864) 
Celtic Seas for Higginsia thielei Topsent, 1898 
Celtic Seas for Histoderma physa (Schmidt, 1875) 
Celtic Seas for Histodermella ingolfi Lundbeck, 1910 
Celtic Seas for Hymedesmia baculifera (Topsent, 1901) 
Celtic Seas for Hymedesmia crux (Schmidt, 1875) 
Celtic Seas for Hymedesmia curvichela Lundbeck, 1910 
Celtic Seas for Hymedesmia digitata Lundbeck, 1910 
Celtic Seas for Hymedesmia dujardinii (Bowerbank, 1866) 
Celtic Seas for Hymedesmia helgae Stephens, 1916 
Celtic Seas for Hymedesmia koehleri (Topsent, 1896) 
Celtic Seas for Hymedesmia mucronata (Topsent, 1904) 
Celtic Seas for Hymedesmia mutabilis (Topsent, 1904) 
Celtic Seas for Hymedesmia occulta Bowerbank in Norman, 1869 
Celtic Seas for Hymedesmia spinosa Stephens, 1916 
Celtic Seas for Hymedesmia tenuisigma Lundbeck, 1910 
Celtic Seas for Hymedesmia truncata Lundbeck, 1910 
Celtic Seas for Iophon nigricans (Bowerbank, 1858) 
Celtic Seas for Iotrochota acanthostylifera Stephens, 1916 
Celtic Seas for Leptosastra constellata Topsent, 1904 
Celtic Seas for Lissodendoryx diversichela Lundbeck, 1905 
Celtic Seas for Metschnikowia spinispiculum (Carter, 1876) 
Celtic Seas for Mycale fascibula (Topsent, 1904) 
Celtic Seas for Mycale placoides (Carter, 1876) 
Celtic Seas for Myxilla fimbriata (Bowerbank, 1866) 
Celtic Seas for Myxilla incrustans (Johnston, 1842) 
Celtic Seas for Oceanapia robusta (Bowerbank, 1866) 
Celtic Seas for Phakellia robusta Bowerbank, 1866 
Celtic Seas for Phakellia ventilabrum (Linnaeus, 1767) 
Celtic Seas for Phloeodictyon elongatum (Topsent, 1892) 
Celtic Seas for Plocamia ambigua (Bowerbank, 1866) 
Celtic Seas for Plocamia microcionides (Carter, 1876) 
Celtic Seas for Rhabderemia guernei Topsent, 1890 
Celtic Seas for Rhaphidotheca marshallhalli Kent, 1870 
Celtic Seas for Stylostichon dendyi (Topsent, 1890) 
Celtic Seas for Suberotelites demonstrans Topsent, 1890 
Celtic Seas for Tragosia arctica (Vosmaer, 1885) 
Celtic Seas for Tragosia infundibuliformis (Linnaeus, 1759) 
Celtic Seas for Tylodesma annexa (Schmidt, 1870) 
North Atlantic Lower Bathyal Province for Cladorhiza abyssicola Sars, 1872 
North Atlantic Lower Bathyal Province for Clathria anchorata (Carter, 1874) 
North Atlantic Lower Bathyal Province for Clathria anchorata (Carter, 1874) 
North Atlantic Lower Bathyal Province for Cyamon spinispinosum (Topsent, 1904) 
North Atlantic Lower Bathyal Province for Cyamon spinispinosum (Topsent, 1904) 
North Atlantic Lower Bathyal Province for Ectyodoryx atlanticus Stephens, 1916 
North Atlantic Lower Bathyal Province for Esperiopsis macrosigma Stephens, 1916 
North Atlantic Lower Bathyal Province for Eurypon clavatum (Bowerbank, 1866) 
North Atlantic Lower Bathyal Province for Eurypon hispidulum (Topsent, 1904) 
North Atlantic Lower Bathyal Province for Eurypon microchela Stephens, 1916 
North Atlantic Lower Bathyal Province for Eurypon tenuissimum Stephens, 1916 
North Atlantic Lower Bathyal Province for Forcepia forcipis (Bowerbank, 1866) 
North Atlantic Lower Bathyal Province for Halichondria fibrosa (Fristedt, 1887) 
North Atlantic Lower Bathyal Province for Halicnemia verticillata (Bowerbank, 1866) 
North Atlantic Lower Bathyal Province for Halicnemia verticillata (Bowerbank, 1866) 
North Atlantic Lower Bathyal Province for Hamacantha falcula (Bowerbank, 1874) 
North Atlantic Lower Bathyal Province for Higginsia thielei Topsent, 1898 
North Atlantic Lower Bathyal Province for Histodermella ingolfi Lundbeck, 1910 
North Atlantic Lower Bathyal Province for Hymedesmia crux (Schmidt, 1875) 
North Atlantic Lower Bathyal Province for Hymedesmia curvichela Lundbeck, 1910 
North Atlantic Lower Bathyal Province for Hymedesmia helgae Stephens, 1916 
North Atlantic Lower Bathyal Province for Hymedesmia koehleri (Topsent, 1896) 
North Atlantic Lower Bathyal Province for Hymedesmia mutabilis (Topsent, 1904) 
North Atlantic Lower Bathyal Province for Hymedesmia spinosa Stephens, 1916 
North Atlantic Lower Bathyal Province for Iotrochota acanthostylifera Stephens, 1916 
North Atlantic Lower Bathyal Province for Leptosastra constellata Topsent, 1904 
North Atlantic Lower Bathyal Province for Mycale fascibula (Topsent, 1904) 
North Atlantic Lower Bathyal Province for Plocamia ambigua (Bowerbank, 1866) 
North Atlantic Lower Bathyal Province for Plocamia microcionides (Carter, 1876) 
North Atlantic Lower Bathyal Province for Rhabderemia guernei Topsent, 1890 
North Atlantic Lower Bathyal Province for Rhaphidotheca marshallhalli Kent, 1870 
North Atlantic Lower Bathyal Province for Stylostichon dendyi (Topsent, 1890) 
North Atlantic Lower Bathyal Province for Suberotelites demonstrans Topsent, 1890 
North Atlantic Lower Bathyal Province for Tylodesma annexa (Schmidt, 1870) 
North Atlantic Lower Bathyal Province for Tylodesma informis Stephens, 1916 

Holotype INMSR 15.1.11.1916, geounit Celtic Seas, identified as Eurypon tenuissimum Stephens, 1916
Holotype INMSR 15.1.9.1916, geounit Celtic Seas, identified as Eurypon ditoxa Stephens, 1916