Adocia simulans (Johnston, 1842) accepted as Haliclona (Haliclona) simulans (Johnston, 1842) (additional source)
Axinella agnata Topsent, 1896 accepted as Raspailia (Parasyringella) agnata (Topsent, 1896) (additional source)
Axinella damicornis (Esper, 1794) (additional source)
Axinella dissimilis (Bowerbank, 1866) (additional source)
Ciocalypta penicillus Bowerbank, 1862 (additional source)
Clathrina coriacea (Montagu, 1814) (additional source)
Clathrina lacunosa (Johnston, 1842) (additional source)
Cliona celata Grant, 1826 (additional source)
Crella rosea (Topsent, 1892) represented as Crella (Yvesia) rosea (Topsent, 1892) (additional source)
Dercitus bucklandi (Bowerbank, 1858) represented as Dercitus (Dercitus) bucklandi (Bowerbank, 1858) (additional source)
Dysidea fragilis (Montagu, 1814) (additional source)
Esperiopsis fucorum (Esper, 1794) accepted as Amphilectus fucorum (Esper, 1794) (additional source)
Gellius angulatus (Bowerbank, 1866) accepted as Haliclona (Gellius) angulata (Bowerbank, 1866) (additional source)
Grantia compressa (Fabricius, 1780) (additional source)
Halichondria bowerbanki Burton, 1930 represented as Halichondria (Halichondria) bowerbanki Burton, 1930 (additional source)
Halichondria panicea (Pallas, 1766) represented as Halichondria (Halichondria) panicea (Pallas, 1766) (additional source)
Halichondria topsenti de Laubenfels, 1936 represented as Halichondria (Halichondria) panicea (Pallas, 1766) (additional source)
Haliclona fistulosa (Bowerbank, 1866) represented as Haliclona (Halichoclona) fistulosa (Bowerbank, 1866) (additional source)
Haliclona indistincta (Bowerbank, 1866) represented as Haliclona (Rhizoniera) indistincta (Bowerbank, 1866) (additional source)
Haliclona rosea (Bowerbank, 1866) represented as Haliclona (Rhizoniera) rosea (Bowerbank, 1866) (additional source)
Haliclona viscosa (Topsent, 1888) represented as Haliclona (Rhizoniera) viscosa (Topsent, 1888) (additional source)
Hemimycale columella (Bowerbank, 1874) (additional source)
Hymedesmia brondstedi Burton, 1930 accepted as Hymedesmia (Stylopus) coriacea (Fristedt, 1885) (additional source)
Leuconia johnstonii Carter, 1871 (additional source)
Leuconia nivea (Grant, 1826) (additional source)
Leucosolenia variabilis Haeckel, 1870 (additional source)
Mycale macilenta (Bowerbank, 1866) represented as Mycale (Carmia) macilenta (Bowerbank, 1866) (additional source)
Mycale similaris (Bowerbank, 1874) accepted as Mycale (Carmia) subclavata (Bowerbank, 1866) (additional source)
Myxilla fimbriata (Bowerbank, 1866) represented as Myxilla (Myxilla) fimbriata (Bowerbank, 1866) (additional source)
Myxilla rosacea (Lieberkühn, 1859) represented as Myxilla (Myxilla) rosacea (Lieberkühn, 1859) (additional source)
Pachymatisma johnstonia (Bowerbank in Johnston, 1842) (additional source)
Polymastia mamillaris (Müller, 1806) (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)
Raspailia ramosa (Montagu, 1814) represented as Raspailia (Raspailia) ramosa (Montagu, 1814) (additional source)
Stelligera rigida (Montagu, 1814) accepted as Stelligera montagui Van Soest & Hooper, 2020 (additional source)
Stryphnus ponderosus (Bowerbank, 1866) (additional source)
Sycon ciliatum (Fabricius, 1780) (additional source)
Tethya aurantium (Pallas, 1766) (additional source)
Thymosia guernei Topsent, 1895 (additional source)

Celtic Seas for Adocia simulans (Johnston, 1842) 
Celtic Seas for Axinella agnata Topsent, 1896 
Celtic Seas for Axinella damicornis (Esper, 1794) 
Celtic Seas for Axinella dissimilis (Bowerbank, 1866) 
Celtic Seas for Ciocalypta penicillus Bowerbank, 1862 
Celtic Seas for Clathrina coriacea (Montagu, 1814) 
Celtic Seas for Clathrina coriacea (Montagu, 1814) 
Celtic Seas for Clathrina lacunosa (Johnston, 1842) 
Celtic Seas for Cliona celata Grant, 1826 
Celtic Seas for Crella rosea (Topsent, 1892) 
Celtic Seas for Dercitus bucklandi (Bowerbank, 1858) 
Celtic Seas for Dysidea fragilis (Montagu, 1814) 
Celtic Seas for Esperiopsis fucorum (Esper, 1794) 
Celtic Seas for Gellius angulatus (Bowerbank, 1866) 
Celtic Seas for Grantia compressa (Fabricius, 1780) 
Celtic Seas for Halichondria panicea (Pallas, 1766) 
Celtic Seas for Halichondria topsenti de Laubenfels, 1936 
Celtic Seas for Haliclona fistulosa (Bowerbank, 1866) 
Celtic Seas for Haliclona indistincta (Bowerbank, 1866) 
Celtic Seas for Haliclona rosea (Bowerbank, 1866) 
Celtic Seas for Haliclona viscosa (Topsent, 1888) 
Celtic Seas for Hemimycale columella (Bowerbank, 1874) 
Celtic Seas for Hymedesmia brondstedi Burton, 1930 
Celtic Seas for Leuconia johnstonii Carter, 1871 
Celtic Seas for Leuconia johnstonii Carter, 1871 
Celtic Seas for Leuconia nivea (Grant, 1826) 
Celtic Seas for Leucosolenia variabilis Haeckel, 1870 
Celtic Seas for Mycale macilenta (Bowerbank, 1866) 
Celtic Seas for Mycale similaris (Bowerbank, 1874) 
Celtic Seas for Myxilla fimbriata (Bowerbank, 1866) 
Celtic Seas for Myxilla rosacea (Lieberkühn, 1859) 
Celtic Seas for Pachymatisma johnstonia (Bowerbank in Johnston, 1842) 
Celtic Seas for Polymastia robusta Bowerbank, 1862 
Celtic Seas for Prosuberites epiphytum sensu Topsent, 1900 
Celtic Seas for Raspailia ramosa (Montagu, 1814) 
Celtic Seas for Stelligera rigida (Montagu, 1814) 
Celtic Seas for Stryphnus ponderosus (Bowerbank, 1866) 
Celtic Seas for Sycon ciliatum (Fabricius, 1780) 
Celtic Seas for Tethya aurantium (Pallas, 1766) 
Celtic Seas for Thymosia guernei Topsent, 1895