Aplysilla rosea (Barrois, 1876) (additional source)
Aplysilla sulfurea Schulze, 1878 (additional source)
Clathrina contorta (Bowerbank, 1866) accepted as Ascandra contorta (Bowerbank, 1866) (additional source)
Clathrina coriacea (Montagu, 1814) (additional source)
Clathrina lacunosa (Johnston, 1842) (additional source)
Cliona celata Grant, 1826 (additional source)
Dercitus bucklandi (Bowerbank, 1858) represented as Dercitus (Dercitus) bucklandi (Bowerbank, 1858) (additional source)
Esperiopsis fucorum (Esper, 1794) accepted as Amphilectus fucorum (Esper, 1794) (additional source)
Esperiopsis involuta (Bowerbank, 1882) accepted as Amphilectus fucorum (Esper, 1794) (new combination reference)
Gellius ravus Stephens, 1912 accepted as Haliclona (Gellius) rava (Stephens, 1912) (original description)
Grantia capillosa (Schmidt, 1862) (additional source)
Halichondria panicea (Pallas, 1766) represented as Halichondria (Halichondria) panicea (Pallas, 1766) (additional source)
Halisarca dujardinii Johnston, 1842 (additional source)
Hymeniacidon caruncula Bowerbank, 1858 accepted as Hymeniacidon perlevis (Montagu, 1814) (additional source)
Hymeniacidon sanguinea (Grant, 1826) accepted as Hymeniacidon perlevis (Montagu, 1814) (additional source)
Leucandra fistulosa (Johnston, 1842) (additional source)
Leucandra gossei (Bowerbank, 1862) represented as Leucandra gossei gossei (Bowerbank, 1862) (basis of record)
Leucandra nivea (Grant, 1826) accepted as Leuconia nivea (Grant, 1826) (additional source)
Leucosolenia complicata (Montagu, 1814) (additional source)
Leucosolenia variabilis Haeckel, 1870 (additional source)
Microciona armata Bowerbank, 1862 accepted as Clathria (Microciona) armata (Bowerbank, 1862) (additional source)
Microciona fictitia Bowerbank, 1866 accepted as Phorbas fictitius (Bowerbank, 1866) (additional source)
Mycale lingua (Bowerbank, 1866) represented as Mycale (Mycale) lingua (Bowerbank, 1866) (additional source)
Mycale macilenta (Bowerbank, 1866) represented as Mycale (Carmia) macilenta (Bowerbank, 1866) (additional source)
Mycale placoides (Carter, 1876) accepted as Mycale (Mycale) lingua (Bowerbank, 1866) (source of synonymy)
Mycale rotalis (Bowerbank, 1874) represented as Mycale (Aegogropila) rotalis (Bowerbank, 1874) (additional source)
Mycale rotalis (Bowerbank, 1874) represented as Mycale (Aegogropila) rotalis (Bowerbank, 1874) (new combination reference)
Myxilla incrustans (Johnston, 1842) represented as Myxilla (Myxilla) incrustans (Johnston, 1842) (additional source)
Oscarella lobularis (Schmidt, 1862) (additional source)
Pachymatisma johnstonia (Bowerbank in Johnston, 1842) (additional source)
Raspailia howsei (Bowerbank, 1866) (additional source)
Raspailia pumila (Bowerbank, 1866) accepted as Raspailia (Raspailia) ramosa (Montagu, 1814) (additional source)
Reniera fistulosa (Bowerbank, 1866) accepted as Haliclona (Halichoclona) fistulosa (Bowerbank, 1866) (additional source)
Spongelia fragilis (Montagu, 1814) accepted as Dysidea fragilis (Montagu, 1814) (additional source)
Stelletta grubei accepted as Stelletta grubii Schmidt, 1862 (additional source)
Stryphnus ponderosus (Bowerbank, 1866) (additional source)
Stylostichon plumosum (Montagu, 1814) accepted as Phorbas plumosus (Montagu, 1814) (additional source)
Sycon ciliatum (Fabricius, 1780) (additional source)
Sycon coronatum (Ellis & Solander, 1786) accepted as Sycon ciliatum (Fabricius, 1780) (additional source)
Sycon raphanus Schmidt, 1862 (additional source)
Sycon setosum Schmidt, 1862 (additional source)
Terpios fugax Duchassaing & Michelotti, 1864 (additional source)
Tethya lyncurium (Linnaeus, 1767) accepted as Tethya aurantium (Pallas, 1766) (additional source)
Tragosia infundibuliformis (Linnaeus, 1759) accepted as Axinella infundibuliformis (Linnaeus, 1759) (additional source)
Vibulinus stuposus (Ellis & Solander, 1786) accepted as Stelligera stuposa (Ellis & Solander, 1786) (additional source)