Aaptos Gray, 1867 (additional source)
Acanthancora Topsent, 1927 (additional source)
Acantheurypon Topsent, 1927 (additional source)
Acantheurypon pilosella (Topsent, 1904) (additional source)
Acarnus levii (Vacelet, 1960) (additional source)
Aciculites Schmidt, 1879 (additional source)
Adocia Gray, 1867 accepted as Haliclona (Haliclona) Grant, 1836 (additional source)
Agelasidae Verrill, 1907 (additional source)
Alectona Carter, 1879 (additional source)
Alectona millari Carter, 1879 (additional source)
Amphidiscophora (additional source)
Amphilectus Vosmaer, 1880 (additional source)
Anchinoe Gray, 1867 accepted as Phorbas Duchassaing & Michelotti, 1864 (additional source)
Anisocrella Topsent, 1927 (additional source)
Anisocrella hymedesmina Topsent, 1927 (additional source)
Anoxycalyx Kirkpatrick, 1907 (additional source)
Antho Gray, 1867 (additional source)
Aphrocallistes Gray, 1858 (additional source)
Aphrocallistes beatrix Gray, 1858 (additional source)
Aphrocallistidae Gray, 1867 (additional source)
Aplysina Nardo, 1834 (additional source)
Aplysinidae Carter, 1875 (additional source)
Artemisina Vosmaer, 1885 (additional source)
Asbestopluma Topsent, 1901 (additional source)
Asbestopluma (Asbestopluma) furcata Lundbeck, 1905 (additional source)
Asbestopluma (Asbestopluma) infundibulum (Levinsen, 1887) accepted as Lycopodina infundibulum (Levinsen, 1887) (additional source)
Asbestopluma (Asbestopluma) lycopodium (Levinsen, 1887) accepted as Lycopodina lycopodium (Levinsen, 1887) (additional source)
Asbestopluma (Asbestopluma) quadriserialis Tendal, 1973 (additional source)
Asbestopluma (Asbestopluma) ramosa Koltun, 1958 (additional source)
Asbestopluma bihamatifera (Carter, 1876) represented as Asbestopluma (Asbestopluma) bihamatifera (Carter, 1876) (additional source)
Asbestopluma pennatula (Schmidt, 1875) represented as Asbestopluma (Asbestopluma) pennatula (Schmidt, 1875) (additional source)
Ascaltis Haeckel, 1872 (additional source)
Ascaltis lamarcki (Haeckel, 1870) (additional source)
Ascandra Haeckel, 1872 (additional source)
Ascandra falcata Haeckel, 1872 (additional source)
Asconema Kent, 1870 (additional source)
Asconema setubalense Kent, 1870 (additional source)
Astylinifer Topsent, 1927 accepted as Acheliderma Topsent, 1892 (additional source)
Astylinifer planus Topsent, 1927 accepted as Acheliderma planum (Topsent, 1927) (additional source)
Atergia Stephens, 1915 (additional source)
Atergia corticata Stephens, 1915 (additional source)
Auletta Schmidt, 1870 (additional source)
Aulocalycidae Ijima, 1927 (additional source)
Auloplax Schulze, 1904 (additional source)
Auloplax filholi (Topsent, 1904) (additional source)
Axinella Schmidt, 1862 (additional source)
Axinella arctica (Vosmaer, 1885) (additional source)
Axinellidae Carter, 1875 (additional source)
Bathydorus Schulze, 1886 (additional source)
Biemna Gray, 1867 (additional source)
Biemna variantia (Bowerbank, 1858) (additional source)
Bubaridae Topsent, 1894 (additional source)
Bubaris Gray, 1867 (additional source)
Cacochalina Schmidt, 1868 accepted as Callyspongia Duchassaing & Michelotti, 1864 (basis of record)
Calcaronea (additional source)
Calcinea (additional source)
Callyspongia Duchassaing & Michelotti, 1864 (additional source)
Callyspongiidae Laubenfels, 1936 (additional source)
Calthropella Sollas, 1888 (additional source)
Calthropella geodioides (Carter, 1876) represented as Calthropella (Calthropella) geodioides (Carter, 1876) (additional source)
Calyx Vosmaer, 1885 (additional source)
Caminus Schmidt, 1862 (additional source)
Caulophacus Schulze, 1886 (additional source)
Caulophacus (Caulophacus) arcticus (Hansen, 1885) (additional source)
Chalinidae Gray, 1867 (additional source)
Chondrilla Schmidt, 1862 (additional source)
Chondrillidae Gray, 1872 (additional source)
Chondrocladia Thomson, 1873 (additional source)
Chondrocladia (Chondrocladia) burtoni Tendal, 1973 (additional source)
Chondrocladia (Chondrocladia) gigantea (Hansen, 1885) accepted as Chondrocladia (Chondrocladia) grandis (Verrill, 1879) (additional source)
Chondrocladia (Chondrocladia) virgata Thomson, 1873 (additional source)
Chondrosida accepted as Chondrosiida (additional source)
Chonelasma Schulze, 1886 (additional source)
Chonelasma ijimai Topsent, 1901 (additional source)
Cinachyra Sollas, 1886 (additional source)
Ciocalapata de Laubenfels, 1936 (additional source)
Ciocalypta Bowerbank, 1862 (additional source)
Cladocroce Topsent, 1892 (additional source)
Cladocroce fibrosa (Topsent, 1890) (additional source)
Cladorhiza Sars, 1872 (additional source)
Cladorhiza abyssicola Sars, 1872 (additional source)
Cladorhiza abyssicola var. corticocancellata Carter, 1876 accepted as Cladorhiza corticocancellata Carter, 1876 (basis of record)
Cladorhiza corticocancellata Carter, 1876 (additional source)
Cladorhiza gelida Lundbeck, 1905 (additional source)
Cladorhiza tenuisigma Lundbeck, 1905 (basis of record)
Cladorhizidae Dendy, 1922 (additional source)
Clathria Schmidt, 1862 (additional source)
Clathria anchorata (Carter, 1874) represented as Clathria (Paresperia) anchorata (Carter, 1874) (additional source)
Clathrina Gray, 1867 (additional source)
Clathrinida (additional source)
Clathrinidae Minchin, 1900 (additional source)
Clinolabis Topsent, 1927 accepted as Forcepia (Leptolabis) Topsent, 1901 (basis of record)
Cliona Grant, 1826 (additional source)
Cliona pruvoti Topsent, 1900 accepted as Spiroxya pruvoti (Topsent, 1900) (additional source)
Coelosphaera Thomson, 1873 (additional source)
Coelosphaera (Histodermion) Topsent, 1927 (additional source)
Coelosphaera physa (Schmidt, 1875) represented as Coelosphaera (Coelosphaera) physa (Schmidt, 1875) (additional source)
Coelosphaeridae Dendy, 1922 (additional source)
Coppatias Sollas, 1888 accepted as Jaspis Gray, 1867 (additional source)
Coppatiidae accepted as Ancorinidae Schmidt, 1870 (basis of record)

European waters (ERMS scope) for Acantheurypon pilosella (Topsent, 1904) 
European waters (ERMS scope) for Acarnus levii (Vacelet, 1960) 
European waters (ERMS scope) for Alectona millari Carter, 1879 
European waters (ERMS scope) for Anisocrella hymedesmina Topsent, 1927 
European waters (ERMS scope) for Aphrocallistes beatrix Gray, 1858 
European waters (ERMS scope) for Aphrocallistes bocagei Wright, 1870 
European waters (ERMS scope) for Artemisina apollinis (Ridley & Dendy, 1886)  (inaccurate)
European waters (ERMS scope) for Asbestopluma (Asbestopluma) furcata Lundbeck, 1905 
European waters (ERMS scope) for Asbestopluma (Asbestopluma) infundibulum (Levinsen, 1887) 
European waters (ERMS scope) for Asbestopluma (Asbestopluma) lycopodium (Levinsen, 1887) 
European waters (ERMS scope) for Asbestopluma (Asbestopluma) quadriserialis Tendal, 1973 
European waters (ERMS scope) for Asbestopluma (Asbestopluma) ramosa Koltun, 1958  (inaccurate)
European waters (ERMS scope) for Asbestopluma bihamatifera (Carter, 1876) 
European waters (ERMS scope) for Asbestopluma pennatula (Schmidt, 1875) 
European waters (ERMS scope) for Ascaltis lamarcki (Haeckel, 1870) 
European waters (ERMS scope) for Ascandra falcata Haeckel, 1872 
European waters (ERMS scope) for Asconema setubalense Kent, 1870 
European waters (ERMS scope) for Astylinifer planus Topsent, 1927 
European waters (ERMS scope) for Atergia corticata Stephens, 1915 
European waters (ERMS scope) for Auloplax filholi (Topsent, 1904) 
European waters (ERMS scope) for Axinella arctica (Vosmaer, 1885) 
European waters (ERMS scope) for Calthropella geodioides (Carter, 1876) 
European waters (ERMS scope) for Caulophacus (Caulophacus) arcticus (Hansen, 1885) 
European waters (ERMS scope) for Chondrocladia (Chondrocladia) burtoni Tendal, 1973 
European waters (ERMS scope) for Chondrocladia (Chondrocladia) gigantea (Hansen, 1885) 
European waters (ERMS scope) for Chondrocladia (Chondrocladia) virgata Thomson, 1873 
European waters (ERMS scope) for Chonelasma ijimai Topsent, 1901 
European waters (ERMS scope) for Cladocroce fibrosa (Topsent, 1890) 
European waters (ERMS scope) for Cladorhiza corticocancellata Carter, 1876 
European waters (ERMS scope) for Cladorhiza gelida Lundbeck, 1905 
European waters (ERMS scope) for Cladorhiza tenuisigma Lundbeck, 1905 
European waters (ERMS scope) for Clathria anchorata (Carter, 1874) 
European waters (ERMS scope) for Cliona pruvoti Topsent, 1900 
European waters (ERMS scope) for Coelosphaera physa (Schmidt, 1875) 
European waters (ERMS scope) for Corallistes masoni (Bowerbank, 1869) 
European waters (ERMS scope) for Crella carnosa (Topsent, 1904) 
European waters (ERMS scope) for Dendoricella abyssi (Topsent, 1904) 
European waters (ERMS scope) for Dendoricella rhopalum Lundbeck, 1905 
European waters (ERMS scope) for Desmacella annexa Schmidt, 1870 
European waters (ERMS scope) for Desmacella inornata (Bowerbank, 1866) 
European waters (ERMS scope) for Dictyonella obtusa (Schmidt, 1862) 
European waters (ERMS scope) for Dictyonella plicata (Schmidt, 1880) 
European waters (ERMS scope) for Discorhabdella hindei Boury-Esnault, Pansini & Uriz, 1992 
European waters (ERMS scope) for Doconesthes sessilis Topsent, 1928 
European waters (ERMS scope) for Dragmatyle lictor Topsent, 1904 
European waters (ERMS scope) for Dysidea papillosa (Johnston, 1842) 
European waters (ERMS scope) for Ectyodoryx atlanticus Stephens, 1916 
European waters (ERMS scope) for Ectyodoryx foliatus (Fristedt, 1887) 
European waters (ERMS scope) for Esperiopsis fucorum (Esper, 1794) 
European waters (ERMS scope) for Esperiopsis strongylophora Vacelet, 1969 
European waters (ERMS scope) for Esperiopsis villosa (Carter, 1874) 
European waters (ERMS scope) for Euplectella suberea Thomson, 1876 
European waters (ERMS scope) for Eurypon clavatum (Bowerbank, 1866) 
European waters (ERMS scope) for Eurypon ditoxa Stephens, 1916 
European waters (ERMS scope) for Eurypon hispidulum (Topsent, 1904) 
European waters (ERMS scope) for Eurypon lacazei (Topsent, 1891) 
European waters (ERMS scope) for Eurypon longispiculum (Carter, 1876) 
European waters (ERMS scope) for Eurypon microchela Stephens, 1916 
European waters (ERMS scope) for Eurypon topsenti (Burton, 1954)  (inaccurate)
European waters (ERMS scope) for Farrea foliascens Topsent, 1906 
European waters (ERMS scope) for Farrea laminaris Topsent, 1904 
European waters (ERMS scope) for Farrea occa Bowerbank, 1862  (doubtful)
European waters (ERMS scope) for Farrea weltneri Topsent, 1901 
European waters (ERMS scope) for Fieldingia lagettoides Kent, 1870 
European waters (ERMS scope) for Forcepia thielei Lundbeck, 1905 
European waters (ERMS scope) for Forcepia topsentii Lundbeck, 1905 
European waters (ERMS scope) for Geodia atlantica (Stephens, 1915) 
European waters (ERMS scope) for Geodia macandrewii Bowerbank, 1858 
European waters (ERMS scope) for Geodia nodastrella Carter, 1876 
European waters (ERMS scope) for Guitarra fimbriata Carter, 1874 
European waters (ERMS scope) for Halichondria colossea Lundbeck, 1902 
European waters (ERMS scope) for Halichondria difficilis Lundbeck, 1902 
European waters (ERMS scope) for Halichondria tenuiderma Lundbeck, 1902 
European waters (ERMS scope) for Haliclona (Gellius) flagellifera (Ridley & Dendy, 1886)  (inaccurate)
European waters (ERMS scope) for Haliclona (Gellius) glacialis (Ridley & Dendy, 1886)  (inaccurate)
European waters (ERMS scope) for Haliclona (Gellius) laevis (Ridley & Dendy, 1886)  (inaccurate)
European waters (ERMS scope) for Haliclona (Gellius) microtoxa (Lundbeck, 1902) 
European waters (ERMS scope) for Haliclona (Gellius) uncinata (Topsent, 1892) 
European waters (ERMS scope) for Haliclona calamus (Lundbeck, 1902) 
European waters (ERMS scope) for Haliclona calyx (Ridley & Dendy, 1886)  (inaccurate)
European waters (ERMS scope) for Haliclona voeringi (Lundbeck, 1902) 
European waters (ERMS scope) for Hamacantha falcula (Bowerbank, 1874) 
European waters (ERMS scope) for Hamacantha lundbecki Topsent, 1904 
European waters (ERMS scope) for Hemigellius pumiceus (Fristedt, 1885) 
European waters (ERMS scope) for Hertwigia falcifera Schmidt, 1880 
European waters (ERMS scope) for Hyalonema thomsoni 
European waters (ERMS scope) for Hymedesmia (Hymedesmia) consanguinea Lundbeck, 1910 
European waters (ERMS scope) for Hymedesmia (Hymedesmia) crux (Schmidt, 1875) 
European waters (ERMS scope) for Hymedesmia (Hymedesmia) curvichela Lundbeck, 1910 
European waters (ERMS scope) for Hymedesmia (Hymedesmia) depressa Topsent, 1928 
European waters (ERMS scope) for Hymedesmia (Hymedesmia) digitata Lundbeck, 1910 
European waters (ERMS scope) for Hymedesmia (Hymedesmia) grandis Lundbeck, 1910 
European waters (ERMS scope) for Hymedesmia (Hymedesmia) helgae Stephens, 1916 
European waters (ERMS scope) for Hymedesmia (Hymedesmia) koehleri (Topsent, 1896) 
European waters (ERMS scope) for Hymedesmia (Hymedesmia) lobichela Topsent, 1928 
European waters (ERMS scope) for Hymedesmia (Hymedesmia) longistylus Lundbeck, 1910 
European waters (ERMS scope) for Hymedesmia (Hymedesmia) macrosigma Lundbeck, 1910 
European waters (ERMS scope) for Hymedesmia (Hymedesmia) mucronata (Topsent, 1904) 
European waters (ERMS scope) for Hymedesmia (Hymedesmia) planca Lundbeck, 1910 
European waters (ERMS scope) for Hymedesmia (Hymedesmia) procumbens Lundbeck, 1910 

 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]