Alebion Gray, 1867 accepted as Iophon Gray, 1867 (additional source)
Amphilectus Vosmaer, 1880 (additional source)
Ancorina Schmidt, 1862 (additional source)
Asbestopluma Topsent, 1901 (additional source)
Asbestopluma (Asbestopluma) minuta (Lambe, 1900) accepted as Lycopodina minuta (Lambe, 1900) (additional source)
Asbestopluma pennatula (Schmidt, 1875) represented as Asbestopluma (Asbestopluma) pennatula (Schmidt, 1875) (additional source)
Axinellidae Carter, 1875 (additional source)
Biemna Gray, 1867 (additional source)
Biemna variantia (Bowerbank, 1858) (additional source)
Bubaridae Topsent, 1894 (additional source)
Calcaronea (additional source)
Calcinea (additional source)
Ceractinomorpha accepted as Demospongiae (additional source)
Chalinidae Gray, 1867 (additional source)
Chalinula Schmidt, 1868 (additional source)
Chalinula loosanoffi (Hartman, 1958) (additional source)
Chondrosida accepted as Chondrosiida (additional source)
Cladorhiza Sars, 1872 (additional source)
Cladorhiza abyssicola Sars, 1872 (additional source)
Cladorhizidae Dendy, 1922 (additional source)
Clathria Schmidt, 1862 (additional source)
Clathrina Gray, 1867 (additional source)
Clathrina cancellata (Verrill, 1873) (additional source)
Clathrina coriacea (Montagu, 1814) (additional source)
Clathrinida (additional source)
Clathrinidae Minchin, 1900 (additional source)
Cliona Grant, 1826 (additional source)
Cliona celata Grant, 1826 (additional source)
Cliona lobata Hancock, 1849 (additional source)
Cliona vastifica Hancock, 1849 accepted as Pione vastifica (Hancock, 1849) (additional source)
Clionidae d'Orbigny, 1851 accepted as Clionaidae d'Orbigny, 1851 (additional source)
Coelosphaeridae Dendy, 1922 (additional source)
Craniella Schmidt, 1870 (additional source)
Crella Gray, 1867 (additional source)
Crella rosea (Topsent, 1892) represented as Crella (Yvesia) rosea (Topsent, 1892) (additional source)
Crellidae Dendy, 1922 (additional source)
Desmacellidae Ridley & Dendy, 1886 (additional source)
Grantessa Lendenfeld, 1885 (additional source)
Grantia Fleming, 1828 (additional source)
Grantia canadensis Lambe, 1896 (additional source)
Grantiidae Dendy, 1892 (additional source)
Guancha Miklucho-Maclay, 1868 accepted as Clathrina Gray, 1867 (additional source)
Guancha blanca Miklucho-Maclay, 1868 accepted as Clathrina blanca (Miklucho-Maclay, 1868) (additional source)
Hadromerida accepted as Heteroscleromorpha (additional source)
Halichondria Fleming, 1828 (additional source)
Halichondria bowerbanki Burton, 1930 represented as Halichondria (Halichondria) bowerbanki Burton, 1930 (basis of record)
Halichondria panicea (Pallas, 1766) represented as Halichondria (Halichondria) panicea (Pallas, 1766) (additional source)
Halichondria sitiens (Schmidt, 1870) represented as Halichondria (Eumastia) sitiens (Schmidt, 1870) (additional source)
Halichondrida accepted as Heteroscleromorpha (additional source)
Halichondriidae Gray, 1867 (additional source)
Haliclona Grant, 1841 (additional source)
Haliclona (Gellius) Gray, 1867 (additional source)
Haliclona (Gellius) flagellifera (Ridley & Dendy, 1886) accepted as Haliclona (Flagellia) flagellifera (Ridley & Dendy, 1886) (additional source)
Haliclona (Gellius) laurentina (Lambe, 1900) (additional source)
Haliclona (Haliclona) oculata (Linnaeus, 1759) (additional source)
Haliclona loosanoffi Hartman, 1958 accepted as Chalinula loosanoffi (Hartman, 1958) (additional source)
Halisarca Johnston, 1842 (additional source)
Halisarca dujardinii Johnston, 1842 (additional source)
Halisarcida accepted as Chondrillida (additional source)
Halisarcidae Schmidt, 1862 (additional source)
Haplosclerida (additional source)
Hemigellius Burton, 1932 (additional source)
Hemigellius arcoferus accepted as Hemigellius arcofer (Vosmaer, 1885) (additional source)
Heteropia Carter, 1886 (additional source)
Heteropiidae Dendy, 1893 (additional source)
Hymedesmia Bowerbank, 1864 (additional source)
Hymedesmiidae Topsent, 1928 (additional source)
Hymeniacidon Bowerbank, 1858 (additional source)
Iophon Gray, 1867 (additional source)
Iophon hyndmani (Bowerbank, 1858) (additional source)
Iophon nigricans (Bowerbank, 1858) (additional source)
Iophon piceum (Vosmaer, 1882) (additional source)
Iophonidae Burton, 1929 accepted as Acarnidae Dendy, 1922 (additional source)
Isodictya Bowerbank, 1864 (additional source)
Isodictya palmata (Ellis & Solander, 1786) (additional source)
Isodictyidae Dendy, 1924 (additional source)
Leucosolenia Bowerbank, 1864 (additional source)
Leucosolenia botryoides (Ellis & Solander, 1786) (additional source)
Leucosolenia cancellata Verrill, 1873 accepted as Clathrina cancellata (Verrill, 1873) (basis of record)
Leucosolenida (additional source)
Leucosoleniidae Minchin, 1900 (additional source)
Lissodendoryx Topsent, 1892 (additional source)
Lissodendoryx isodictyalis (Carter, 1882) represented as Lissodendoryx (Lissodendoryx) isodictyalis (Carter, 1882) (additional source)
Melonanchora Carter, 1874 (additional source)
Melonanchora elliptica Carter, 1874 (additional source)
Microciona Bowerbank, 1862 accepted as Clathria (Microciona) Bowerbank, 1862 (additional source)
Microcionidae Carter, 1875 (additional source)
Microcionina accepted as Poecilosclerida (additional source)
Mycale Gray, 1867 (additional source)
Mycale lingua (Bowerbank, 1866) represented as Mycale (Mycale) lingua (Bowerbank, 1866) (additional source)
Mycalidae Lundbeck, 1905 (additional source)
Mycalina accepted as Poecilosclerida (additional source)
Myxilla Schmidt, 1862 (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)
Myxillidae Dendy, 1922 (additional source)
Myxillina accepted as Poecilosclerida (additional source)
Niphatidae van Soest, 1980 (additional source)
Pachastrellidae Carter, 1875 (additional source)
Pellina Schmidt, 1870 accepted as Halichondria (Halichondria) Fleming, 1828 (additional source)

European waters (ERMS scope) for Asbestopluma (Asbestopluma) minuta (Lambe, 1900) 
European waters (ERMS scope) for Asbestopluma pennatula (Schmidt, 1875) 
European waters (ERMS scope) for Chalinula loosanoffi (Hartman, 1958) 
European waters (ERMS scope) for Clathrina cancellata (Verrill, 1873) 
European waters (ERMS scope) for Cliona celata Grant, 1826 
European waters (ERMS scope) for Cliona lobata Hancock, 1849 
European waters (ERMS scope) for Cliona vastifica Hancock, 1849 
European waters (ERMS scope) for Crella rosea (Topsent, 1892) 
European waters (ERMS scope) for Grantia canadensis Lambe, 1896 
European waters (ERMS scope) for Guancha blanca Miklucho-Maclay, 1868 
European waters (ERMS scope) for Halichondria panicea (Pallas, 1766) 
European waters (ERMS scope) for Halichondria sitiens (Schmidt, 1870) 
European waters (ERMS scope) for Haliclona (Gellius) flagellifera (Ridley & Dendy, 1886)  (inaccurate)
European waters (ERMS scope) for Haliclona (Gellius) laurentina (Lambe, 1900) 
European waters (ERMS scope) for Haliclona (Haliclona) oculata (Linnaeus, 1759) 
European waters (ERMS scope) for Halisarca dujardinii Johnston, 1842 
European waters (ERMS scope) for Hemigellius arcoferus 
European waters (ERMS scope) for Hymeniacidon heliophila (Wilson, 1911)  (inaccurate)
European waters (ERMS scope) for Iophon hyndmani (Bowerbank, 1858) 
European waters (ERMS scope) for Iophon nigricans (Bowerbank, 1858) 
European waters (ERMS scope) for Iophon piceum (Vosmaer, 1882) 
European waters (ERMS scope) for Isodictya palmata (Ellis & Solander, 1786) 
European waters (ERMS scope) for Leucosolenia botryoides (Ellis & Solander, 1786) 
European waters (ERMS scope) for Melonanchora elliptica Carter, 1874 
European waters (ERMS scope) for Mycale lingua (Bowerbank, 1866) 
European waters (ERMS scope) for Phakellia ventilabrum (Linnaeus, 1767) 
European waters (ERMS scope) for Polymastia boletiformis (Lamarck, 1815) 
European waters (ERMS scope) for Polymastia hemisphaerica (Sars, 1872) 
European waters (ERMS scope) for Polymastia hispida (Bowerbank, 1864)  (inaccurate)
European waters (ERMS scope) for Polymastia robusta Bowerbank, 1862 
European waters (ERMS scope) for Prosuberites epiphytum sensu Topsent, 1900 
European waters (ERMS scope) for Suberites ficus (Johnston, 1842) 
European waters (ERMS scope) for Sycon ciliatum (Fabricius, 1780) 
European waters (ERMS scope) for Sycon lingua (Haeckel, 1870) 
European waters (ERMS scope) for Tedania suctoria Schmidt, 1870 
European waters (ERMS scope) for Tentorium semisuberites (Schmidt, 1870) 
European waters (ERMS scope) for Thenea muricata (Bowerbank, 1858) 

 Classification

 for Dysidea papillosa (Johnston, 1842)

Genus uncertain, possibly not a sponge. [details]

 Classification

 for Fasciospongia aspergillum (Schmidt, 1868)

Incertae sedis. [details]

 Classification

 for Haliclona (Gellius) esperi (Arnesen, 1903)

Position in genus uncertain. Assigned to Hemigellius arcofer on the authority of Burton (1932). [details]

 Classification

 for Haliclona columbae (Walker, 1812)

Position in genus uncertain, identity of species uncertain. [details]

 Classification

 for Haliclona parasitica (Montagu, 1814)

Position uncertain, but not clearly a Haliclona. Arndt (1935) lists it as an Amphilectus fucorum. [details]

 Classification

 for Haliclona rectangularis (Ridley & Dendy, 1886)

Position in genus uncertain [details]

 Classification

 for Halisarca guttula Schmidt, 1864

Genus uncertain. [details]

 Classification

 for Hemigellius stylifer (Lendenfeld, 1897)

Genus uncertain. [details]

 Classification

 for Ircinia collectrix (Poléjaeff, 1884)

Genus uncertain. [details]

 Classification

 for Ircinia condensa (Topsent, 1894)

Genus uncertain. [details]

 Classification

 for Ircinia digitata (Topsent, 1894)

Genus uncertain. [details]

 Classification

 for Ircinia stipitata (Topsent, 1894)

Genus uncertain. [details]

 Classification

 for Pachychalina arctica (Miklucho-Maclay, 1870)

Genus uncertain. [details]

 Classification

 for Pachychalina fracta Hentschel, 1929

Genus uncertain. [details]

 Classification

 for Pachychalina gracilis (Miklucho-Maclay, 1870)

Genus uncertain. [details]

 Classification

 for Thorectandra diversispiculifera Ferrer-Hernandez, 1918

Genus uncertain. [details]

 Distribution

 for Hymedesmia (Hymedesmia) mertoni Hentschel, 1912

H. mertoni is reported from the Azores by Boury-Esnault & Lopes, 1985, but this is unlikely to be correct. [details]

 Homonymy

 for Alebion Gray, 1867

Also in database as valid genus in Euryphoridae (Copepoda) - needs checking [details]

 identification

 for Phorbas Duchassaing & Michelotti, 1864

Phorbas spec.aff.stylata Burton,1930 [details]

 Nomenclature

 for Haliclona alba var. pontica (Czerniavsky, 1880)

Van Soest (2001: 98) misspelled this variety as H. albapontica, which was subsequently used also by Ereskovsky, ... [details]

 Synonymy

 for Ircinia hebes (Schmidt, 1862)

Synonymy based on Vacelet, 1959. [details]

 Synonymy

 for Ircinia panicea (Schmidt, 1862)

Synonymy uncertain. [details]

 Taxonomy

 for Clathria tricurvatifera (Carter, 1876)

Clathria? [details]

 Taxonomy

 for Desmacidon anceps Schmidt, 1874

Uncertain. Material labeled as Desmacidon anceps has been investigated by Thiele (1903) and found to consist of six ... [details]

 Taxonomy

 for Eurypon (Acantheurypon) Topsent, 1927

Also exists as valid genus in the database, with two species not included in list of species belonging to subgenus ... [details]

 Taxonomy

 for Halichondria albescens sensu Johnston, 1842

Incertae sedis. Halichondria? or perhaps Amphilectus close to A. fucorum, suggested by Johnston himself. This is a ... [details]

 Taxonomy

 for Halichondria coralloides Bowerbank, 1882

Halichondria? [details]

 Taxonomy

 for Halichondria diversispiculata Burton, 1930

Halichondria? [details]

 Taxonomy

 for Halichondria glabra Bowerbank, 1866

Halichondria? [details]

 Taxonomy

 for Halichondria lactea (Bowerbank, 1866)

Uncertain Halichondria (H.) panicea [details]

 Taxonomy

 for Halichondria membrana (Bowerbank, 1866)

Halichondria? [details]

 Taxonomy

 for Halichondria normani Burton, 1930

Halichondria? [details]

 Taxonomy

 for Holoxea Topsent, 1892

Listed in ERMS I under family Coppatiidae (Demospongiae) [details]

 Taxonomy

 for Hymeniacidon aurea (Montagu, 1814)

Hymeniacidon? [details]

 Taxonomy

 for Hymeniacidon fasciculata (Fristedt, 1887)

Hymeniacidon? [details]

 Taxonomy

 for Hymeniacidon luxurians (Lieberkühn, 1859)

Incertae sedis. Hymeniacidon? [details]

 Taxonomy

 for Hymeniacidon plumigera Bowerbank, 1874

Incertae sedis. Hymeniacidon? [details]

 Taxonomy

 for Hymeniacidon simplex (Bowerbank, 1866)

Hymeniacidon? [details]

 Taxonomy

 for Hymeniacidon virgulatus Bowerbank, 1882

Hymeniacidon perlevis ? Identity uncertain. [details]

 Taxonomy

 for Ircinia verrucosa (Lieberkühn, 1869)

Species identity uncertain, but synonymy with Ircinia strobilina was suggested by Wiedenmayer, 1977. [details]

 Taxonomy

 for Mycale foraminosa (Schmidt, 1862)

Mycale? [details]

 Taxonomy

 for Mycale velutata (Schmidt, 1862)

Mycale? [details]

 Taxonomy

 for Myxilla septentrionalis Fristedt, 1887

Myxilla? [details]

 Taxonomy

 for Ophlitaspongia papilla sensu Ferrer Hernández, 1914

Ophlitaspongia? [details]

 Taxonomy

 for Pseudosuberites simplicima (Bowerbank, 1874)

probably but not certainly P.sulphureus [details]

 Taxonomy

 for Raspailia formidabilis Hanitsch, 1895

Raspailia? [details]

 Taxonomy

 for Raspailia howsei (Bowerbank, 1866)

Raspailia (Raspailia) hispida ? [details]

 Taxonomy

 for Raspailia rectangula (Bowerbank, 1874)

Raspailia? [details]

 Type locality

 for Histodermella apuliae Sarà, 1969

Curva Padovani, near Bari, S Italy, 34 m. [details]

 Validity

 for Phorbas paupertas sensu Boury-Esnault, 1971

Although Bowerbank is cited as the author of this species, there are two different species bearing this name, a ... [details]

 Validity

 for Rhabderemia parasitica (Carter, 1876)

R. parasitica? Uncertain. [details]