Battersbyia Bowerbank, 1874 accepted as Dercitus (Dercitus) Gray, 1867 (original description)
Battersbyia bucklandi (Bowerbank, 1858) accepted as Dercitus (Dercitus) bucklandi (Bowerbank, 1858) (new combination reference)
Chalina cervicornis (Pallas, 1766) accepted as Haliclona (Haliclona) oculata (Linnaeus, 1759) (additional source)
Chalina flemingii Bowerbank, 1866 accepted as Haliclona (Reniera) cinerea (Grant, 1826) (additional source)
Chalina gracilenta Bowerbank, 1866 accepted as Chalinula limbata (Montagu, 1814) (additional source)
Chalina grantii Bowerbank, 1866 accepted as Haliclona (Haliclona) oculata (Linnaeus, 1759) (additional source)
Chalina inornata Bowerbank, 1874 accepted as Ulosa digitata (Schmidt, 1866) (original description)
Chalina limbata (Montagu, 1814) accepted as Chalinula limbata (Montagu, 1814) (additional source)
Chalina montaguii (Fleming, 1828) accepted as Haliclona (Reniera) cinerea (Grant, 1826) (additional source)
Chalina oculata (Linnaeus, 1759) accepted as Haliclona (Haliclona) oculata (Linnaeus, 1759) (additional source)
Ciocalypta Bowerbank, 1862 (basis of record)
Ciocalypta leei Bowerbank, 1874 accepted as Ciocalypta penicillus Bowerbank, 1862 (original description)
Ciocalypta penicillus Bowerbank, 1862 (additional source)
Crella inflata (Bowerbank, 1874) accepted as Halicnemia patera Bowerbank, 1864 (additional source)
Desmacidon aegagropila (Johnston, 1842) accepted as Mycale (Aegogropila) contarenii (Lieberkühn, 1859) (additional source)
Desmacidon cavernula Bowerbank, 1874 accepted as Biemna variantia (Bowerbank, 1858) (original description)
Desmacidon columella Bowerbank, 1874 accepted as Hemimycale columella (Bowerbank, 1874) (original description)
Desmacidon constrictus Bowerbank, 1866 accepted as Mycale (Mycale) lingua (Bowerbank, 1866) (additional source)
Desmacidon copiosa Bowerbank, 1869 accepted as Mycale (Aegogropila) contarenii (Lieberkühn, 1859) (basis of record)
Desmacidon fruticosum (Montagu, 1814) (additional source)
Desmacidon incognitus Bowerbank, 1874 accepted as Ulosa digitata (Schmidt, 1866) (original description)
Desmacidon jeffreysii Bowerbank, 1866 accepted as Oceanapia robusta (Bowerbank, 1866) (basis of record)
Desmacidon pannosus Bowerbank, 1874 accepted as Ulosa digitata (Schmidt, 1866) (original description)
Desmacidon peachii Bowerbank, 1866 accepted as Biemna variantia (Bowerbank, 1858) (additional source)
Desmacidon rotalis Bowerbank, 1874 accepted as Mycale (Aegogropila) rotalis (Bowerbank, 1874) (original description)
Desmacidon similaris Bowerbank, 1874 accepted as Mycale (Carmia) subclavata (Bowerbank, 1866) (original description)
Dictyocylindrus aculeatus (Johnston, 1842) accepted as Raspaciona aculeata (Johnston, 1842) (additional source)
Dictyocylindrus fascicularis Bowerbank, 1866 accepted as Adreus fascicularis (Bowerbank, 1866) (additional source)
Dictyocylindrus hispidus (Montagu, 1814) accepted as Raspailia (Clathriodendron) hispida (Montagu, 1814) (additional source)
Dictyocylindrus howsei Bowerbank, 1866 accepted as Raspailia howsei (Bowerbank, 1866) (additional source)
Dictyocylindrus pumilus Bowerbank, 1866 accepted as Raspailia (Raspailia) ramosa (Montagu, 1814) (additional source)
Dictyocylindrus radiosus Bowerbank, 1866 accepted as Raspailia (Raspailia) radiosa (Bowerbank, 1866) (additional source)
Dictyocylindrus ramosus (Montagu, 1814) accepted as Raspailia (Raspailia) ramosa (Montagu, 1814) (additional source)
Dictyocylindrus rectangulus Bowerbank, 1874 accepted as Raspailia rectangula (Bowerbank, 1874) (original description)
Dictyocylindrus rugosus Bowerbank, 1866 accepted as Axinella rugosa (Bowerbank, 1866) accepted as Phakellia rugosa (Bowerbank, 1866) (additional source)
Dictyocylindrus stuposus (Ellis & Solander, 1786) accepted as Stelligera stuposa (Ellis & Solander, 1786) (additional source)
Dictyocylindrus ventilabrum Bowerbank, 1866 accepted as Raspailia (Raspailia) ventilabrum (Bowerbank, 1866) (additional source)
Dictyocylindrus virgultosus Bowerbank, 1866 accepted as Raspailia (Raspailia) virgultosa (Bowerbank, 1866) (additional source)
Diplodemia vesicula Bowerbank, 1864 accepted as Haliclona (Haliclona) oculata (Linnaeus, 1759) (additional source)
Dysidea coriacea Bowerbank, 1874 accepted as Dysidea fragilis (Montagu, 1814) (original description)
Dysidea fragilis (Montagu, 1814) (additional source)
Ecionemia coactura Bowerbank, 1874 accepted as Stelletta grubii Schmidt, 1862 (original description)
Ecionemia compressa Bowerbank, 1866 accepted as Poecillastra compressa (Bowerbank, 1866) (additional source)
Ecionemia ponderosa Bowerbank, 1866 accepted as Stryphnus ponderosus (Bowerbank, 1866) (additional source)
Geodia zetlandica Johnston, 1842 accepted as Geodia cydonium (Linnaeus, 1767) (additional source)
Grantia ciliata (Fabricius, 1780) accepted as Sycon ciliatum (Fabricius, 1780) (additional source)
Grantia compressa (Fabricius, 1780) (additional source)
Grantia ensata Bowerbank, 1858 accepted as Aphroceras ensata (Bowerbank, 1858) (additional source)
Grantia tessellata Bowerbank, 1866 accepted as Sycon elegans (Bowerbank, 1845) (additional source)
Halichondria albula Bowerbank, 1866 represented as Crella (Yvesia) albula (Bowerbank, 1866) (additional source)
Halichondria ambigua Bowerbank, 1874 represented as Halichondria (Halichondria) panicea (Pallas, 1766) (original description)
Halichondria angulata Bowerbank, 1866 represented as Haliclona (Gellius) angulata (Bowerbank, 1866) (additional source)
Halichondria batei Bowerbank, 1866 accepted as Myxilla (Myxilla) incrustans (Johnston, 1842) (additional source)
Halichondria caduca Bowerbank, 1866 represented as Halichondria (Halichondria) panicea (Pallas, 1766) (additional source)
Halichondria candida Bowerbank, 1866 accepted as Myxilla (Myxilla) incrustans (Johnston, 1842) (additional source)
Halichondria coalita (sensu Lamarck, 1814) represented as Halichondria (Halichondria) bowerbanki Burton, 1930 (additional source)
Halichondria corrugata Bowerbank, 1866 accepted as Mycale (Aegogropila) corrugata (Bowerbank, 1866) (additional source)
Halichondria couchii Bowerbank, 1867 accepted as Haliclona (Gellius) fibulata (Schmidt, 1862) (basis of record)
Halichondria dickiei Bowerbank, 1866 (additional source)
Halichondria distorta Bowerbank, 1866 represented as Axinella dissimilis (Bowerbank, 1866) (additional source)
Halichondria edusa Bowerbank, 1874 represented as Halichondria (Halichondria) panicea (Pallas, 1766) (original description)
Halichondria expansa Bowerbank, 1874 accepted as Iophon nigricans (Bowerbank, 1858) (original description)
Halichondria falcula Bowerbank, 1874 represented as Hamacantha (Vomerula) falcula (Bowerbank, 1874) (original description)
Halichondria farinaria Bowerbank, 1866 accepted as Suberites ficus (Johnston, 1842) (additional source)
Halichondria foliata Bowerbank, 1874 accepted as Clathria (Clathria) barleei (Bowerbank, 1866) (original description)
Halichondria forcipis Bowerbank, 1866 represented as Forcepia (Forcepia) forcipis (Bowerbank, 1866) (additional source)
Halichondria glabra Bowerbank, 1866 represented as Halichondria (Halichondria) panicea (Pallas, 1766) (additional source)
Halichondria granulata Bowerbank, 1866 represented as Myxilla (Myxilla) fimbriata (Bowerbank, 1866) (additional source)
Halichondria hyndmani Bowerbank, 1858 represented as Iophon hyndmani (Bowerbank, 1858) (additional source)
Halichondria incerta Bowerbank, 1866 represented as Halichondria (Halichondria) panicea (Pallas, 1766) (additional source)
Halichondria inconspicua Bowerbank, 1866 accepted as Haliclona (Halichoclona) fistulosa (Bowerbank, 1866) (additional source)
Halichondria incrustans Johnston, 1842 represented as Myxilla (Myxilla) incrustans (Johnston, 1842) (additional source)
Halichondria ingalli Bowerbank, 1866 represented as Iophon hyndmani (Bowerbank, 1858) (additional source)
Halichondria inornata Bowerbank, 1866 represented as Desmacella inornata (Bowerbank, 1866) (additional source)
Halichondria irregularis Bowerbank, 1866 accepted as Myxilla (Myxilla) incrustans (Johnston, 1842) (additional source)
Halichondria mcintoshii Bowerbank, 1874 represented as Haliclona (Rhizoniera) rosea (Bowerbank, 1866) (original description)
Halichondria mutula Bowerbank, 1874 accepted as Clathria (Clathria) barleei (Bowerbank, 1866) (original description)
Halichondria nigricans Bowerbank, 1866 represented as Iophon nigricans (Bowerbank, 1858) (additional source)
Halichondria panicea (Pallas, 1766) represented as Halichondria (Halichondria) panicea (Pallas, 1766) (additional source)
Halichondria pattersoni Bowerbank, 1866 represented as Iophon nigricans (Bowerbank, 1858) (additional source)
Halichondria pulchella Bowerbank, 1866 accepted as Iophon nigricans (Bowerbank, 1858) (additional source)
Halichondria regularis Bowerbank, 1874 (original description)
Halichondria scandens Bowerbank, 1866 represented as Iophon nigricans (Bowerbank, 1858) (additional source)
Halichondria simplex Bowerbank, 1866 accepted as Hymeniacidon simplex (Bowerbank, 1866) (additional source)
Halichondria subdola Bowerbank, 1866 accepted as Homaxinella subdola (Bowerbank, 1866) (additional source)
Halichondria thompsoni Bowerbank, 1866 represented as Amphilectus fucorum (Esper, 1794) (additional source)
Halicnemia patera Bowerbank, 1864 (additional source)
Hymedesmia indistincta Bowerbank, 1874 accepted as Plocamionida ambigua (Bowerbank, 1866) (original description)
Hymedesmia inflata Bowerbank, 1874 accepted as Halicnemia patera Bowerbank, 1864 (original description)
Hymedesmia occulta Bowerbank in Norman, 1869 represented as Hymedesmia (Hymedesmia) occulta Bowerbank in Norman, 1869 (basis of record)
Hymedesmia radiata Bowerbank, 1866 accepted as Eurypon radiatum (Bowerbank, 1866) (additional source)
Hymedesmia simplicima Bowerbank, 1874 accepted as Hymeniacidon simplicima (Bowerbank, 1874) (original description)
Hymedesmia stellata Bowerbank, 1866 accepted as Timea stellata (Bowerbank, 1866) (additional source)
Hymedesmia zetlandica Bowerbank, 1864 represented as Hymedesmia (Hymedesmia) zetlandica Bowerbank, 1864 (additional source)
Hymeniacidon albescens (Johnston, 1842) (additional source)
Hymeniacidon aldousii Bowerbank, 1874 accepted as Hymeniacidon perlevis (Montagu, 1814) (original description)
Hymeniacidon armatura Bowerbank, 1866 accepted as Spanioplon armaturum (Bowerbank, 1866) (additional source)
Hymeniacidon aurea (Montagu, 1814) accepted as Hymeniacidon perlevis (Montagu, 1814) (additional source)
Hymeniacidon brettii Bowerbank, 1866 accepted as Halichondria (Halichondria) panicea (Pallas, 1766) (additional source)
Hymeniacidon bucklandi (Bowerbank, 1858) accepted as Dercitus (Dercitus) bucklandi (Bowerbank, 1858) (additional source)

Celtic Seas for Chalina cervicornis (Pallas, 1766) 
Celtic Seas for Chalina inornata Bowerbank, 1874 
Celtic Seas for Chalina inornata Bowerbank, 1874 
Celtic Seas for Chalina limbata (Montagu, 1814) 
Celtic Seas for Ciocalypta leei Bowerbank, 1874 
Celtic Seas for Desmacidon columella Bowerbank, 1874 
Celtic Seas for Desmacidon incognitus Bowerbank, 1874 
Celtic Seas for Desmacidon pannosus Bowerbank, 1874 
Celtic Seas for Desmacidon similaris Bowerbank, 1874 
Celtic Seas for Ecionemia coactura Bowerbank, 1874 
Celtic Seas for Grantia ciliata (Fabricius, 1780) 
Celtic Seas for Grantia ciliata (Fabricius, 1780) 
Celtic Seas for Halichondria ambigua Bowerbank, 1874 
Celtic Seas for Halichondria caduca Bowerbank, 1866 
Celtic Seas for Halichondria caduca Bowerbank, 1866 
Celtic Seas for Halichondria couchii Bowerbank, 1867 
Celtic Seas for Halichondria edusa Bowerbank, 1874 
Celtic Seas for Halichondria expansa Bowerbank, 1874 
Celtic Seas for Halichondria farinaria Bowerbank, 1866 
Celtic Seas for Halichondria regularis Bowerbank, 1874 
Celtic Seas for Halichondria thompsoni Bowerbank, 1866 
Celtic Seas for Hymeniacidon albescens (Johnston, 1842) 
Celtic Seas for Hymeniacidon albescens (Johnston, 1842) 
Celtic Seas for Hymeniacidon aldousii Bowerbank, 1874 
Celtic Seas for Hymeniacidon aurea (Montagu, 1814) 
Celtic Seas for Hymeniacidon carnosa (Johnston, 1842) 
Celtic Seas for Hymeniacidon coccinea (Bowerbank, 1861) 
Celtic Seas for Hymeniacidon dujardinii sensu Bowerbank, 1866 
Celtic Seas for Hymeniacidon fallaciosus Bowerbank, 1866 
Celtic Seas for Hymeniacidon fallaciosus Bowerbank, 1866 
Celtic Seas for Hymeniacidon firmus Bowerbank, 1874 
Celtic Seas for Hymeniacidon medius Bowerbank, 1874 
Celtic Seas for Hymeniacidon placentula Bowerbank, 1874 
Celtic Seas for Hymeniacidon plumigera Bowerbank, 1874 
Celtic Seas for Hymeniacidon radiosa Bowerbank, 1874 
Celtic Seas for Hymeniacidon reticulatus Bowerbank, 1866 
Celtic Seas for Hymeniacidon sanguinea (Grant, 1826) 
Celtic Seas for Hymeniacidon sanguinea (Grant, 1826) 
Celtic Seas for Hymeniacidon tegeticula Bowerbank, 1874 
Celtic Seas for Hymeniacidon viridans Bowerbank, 1866 
Celtic Seas for Isodictya alderi Bowerbank, 1866 
Celtic Seas for Isodictya coriacea Bowerbank, 1874 
Celtic Seas for Isodictya dissimilis Bowerbank, 1866 
Celtic Seas for Isodictya dubia Bowerbank, 1874 
Celtic Seas for Isodictya hyndmani (Bowerbank, 1858) 
Celtic Seas for Isodictya imitata Bowerbank, 1874 
Celtic Seas for Isodictya incerta Bowerbank, 1874 
Celtic Seas for Isodictya indistincta Bowerbank, 1866 
Celtic Seas for Isodictya indistincta Bowerbank, 1866 
Celtic Seas for Isodictya ingalli Bowerbank, 1874 
Celtic Seas for Isodictya invalida Bowerbank, 1874 
Celtic Seas for Isodictya luteosa Bowerbank, 1874 
Celtic Seas for Isodictya peachii Bowerbank, 1866 
Celtic Seas for Isodictya permollis Bowerbank, 1866 
Celtic Seas for Isodictya tumulosa Bowerbank, 1874 
Celtic Seas for Isodictya varians Bowerbank, 1866 
Celtic Seas for Leucandra pumila (Bowerbank, 1866) 
Celtic Seas for Leuconia somesii Bowerbank, 1874 
Celtic Seas for Leucosolenia coriacea (Montagu, 1814) 
Celtic Seas for Leucosolenia lacunosa (Johnston, 1842) 
Celtic Seas for Microciona armata Bowerbank, 1862 
Celtic Seas for Microciona kentii Bowerbank, 1874 
Celtic Seas for Microciona kentii Bowerbank, 1874 
Celtic Seas for Microciona plumosa (Montagu, 1814) 
Celtic Seas for Microciona plumosa (Montagu, 1814) 
Celtic Seas for Ophlitaspongia seriata (sensu Johnston, 1842) 
Celtic Seas for Ophlitaspongia seriata (sensu Johnston, 1842) 
Celtic Seas for Polymastia mamillaris (Müller, 1806)  (inaccurate)
Celtic Seas for Raphiodesma simplissima Bowerbank, 1874 
Celtic Seas for Raphiodesma sordida Bowerbank, 1874 
Celtic Seas for Rhaphiodesma sordida 
Celtic Seas for Tethea cranium (Müller, 1776) 
Celtic Seas for Tethea spinosa Bowerbank, 1874 
England for Spongilla fluviatilis (Linnaeus, 1759) 
England for Spongilla lacustris (Linnaeus, 1759) 
England for Spongilla parfitti Carter, 1868 
England for Spongilla sceptrifera Bowerbank, 1874 
North Sea for Chalina oculata (Linnaeus, 1759) 
North Sea for Desmacidon cavernula Bowerbank, 1874 
North Sea for Desmacidon copiosa Bowerbank, 1869 
North Sea for Desmacidon rotalis Bowerbank, 1874 
North Sea for Dictyocylindrus rectangulus Bowerbank, 1874 
North Sea for Dysidea coriacea Bowerbank, 1874 
North Sea for Ecionemia ponderosa Bowerbank, 1866 
North Sea for Grantia ciliata (Fabricius, 1780) 
North Sea for Grantia compressa (Fabricius, 1780) 
North Sea for Halichondria falcula Bowerbank, 1874 
North Sea for Halichondria foliata Bowerbank, 1874 
North Sea for Halichondria foliata Bowerbank, 1874 
North Sea for Halichondria glabra Bowerbank, 1866 
North Sea for Halichondria mcintoshii Bowerbank, 1874 
North Sea for Halichondria mutula Bowerbank, 1874 
North Sea for Halichondria pattersoni Bowerbank, 1866 
North Sea for Hymedesmia indistincta Bowerbank, 1874 
North Sea for Hymedesmia simplicima Bowerbank, 1874 
North Sea for Hymedesmia stellata Bowerbank, 1866 
North Sea for Hymeniacidon crustula Bowerbank, 1866 
North Sea for Hymeniacidon dujardinii sensu Bowerbank, 1866 
North Sea for Hymeniacidon foliatus Bowerbank, 1874 
North Sea for Hymeniacidon mammeata Bowerbank, 1866 

Syntype BMNH 1910.1.38,39,43,44, geounit Celtic Seas, identified as Dictyocylindrus fascicularis Bowerbank, 1866