Aaptos Gray, 1867 (additional source)
Acanthancora Topsent, 1927 (additional source)
Acanthancora clavatancora Topsent, 1927 accepted as Pseudohalichondria clavatancora (Topsent, 1927) (source of synonymy)
Acantheurypon Topsent, 1927 (additional source)
Acantheurypon pilosella (Topsent, 1904) (additional source)
Acantheurypon scabiosum Topsent, 1927 accepted as Eurypon scabiosum (Topsent, 1927) (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)
Aka de Laubenfels, 1936 accepted as Siphonodictyon Bergquist, 1965 (additional source)
Aka infesta (Johnson, 1889) accepted as Siphonodictyon infestum (Johnson, 1899) (additional source)
Alectona Carter, 1879 (additional source)
Alectona millari Carter, 1879 (additional source)
Amphidiscophora (additional source)
Amphilectus Vosmaer, 1880 (additional source)
Amphoriscidae Dendy, 1893 (additional source)
Amphoriscus Haeckel, 1870 (additional source)
Anchinoe Gray, 1867 accepted as Phorbas Duchassaing & Michelotti, 1864 (additional source)
Ancorina Schmidt, 1862 (additional source)
Anisocrella Topsent, 1927 (additional source)
Anisocrella hymedesmina Topsent, 1927 (additional source)
Anisoxya Topsent, 1898 accepted as Topsentia Berg, 1899 (basis of record)
Anisoxya glabra Topsent, 1898 accepted as Topsentia glabra (Topsent, 1898) (basis of record)
Anoxycalyx Kirkpatrick, 1907 (additional source)
Antho Gray, 1867 (additional source)
Antho erecta (Ferrer Hernández, 1923) represented as Antho (Plocamia) erecta (Ferrer Hernández, 1923) (additional source)
Aphrocallistes Gray, 1858 (additional source)
Aphrocallistes azoricus Topsent, 1901 accepted as Pityrete azoricum (Topsent, 1901) (additional source)
Aphrocallistes beatrix Gray, 1858 (additional source)
Aphrocallistidae Gray, 1867 (additional source)
Aplysilla Schulze, 1878 (additional source)
Aplysilla sulfurea Schulze, 1878 (additional source)
Aplysina Nardo, 1834 (additional source)
Aplysinidae Carter, 1875 (additional source)
Artemisina Vosmaer, 1885 (additional source)
Artemisina arcigera (Schmidt, 1870) (additional source)
Artemisina erecta Topsent, 1904 (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 hypogea Vacelet & Boury-Esnault, 1996 accepted as Lycopodina hypogea (Vacelet & Boury-Esnault, 1996) (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)
Auletta sessilis Topsent, 1904 (additional source)
Auletta sycinularia 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)
Axinella cannabina (Esper, 1794) (additional source)
Axinella infundibuliformis (Linnaeus, 1759) (additional source)
Axinella vellerea Topsent, 1904 (additional source)
Axinellidae Carter, 1875 (additional source)
Azorica Carter, 1873 accepted as Leiodermatium Schmidt, 1870 (additional source)
Azorica pfeifferae Carter, 1873 accepted as Leiodermatium pfeifferae (Carter, 1873) (additional source)
Bathydorus Schulze, 1886 (additional source)
Bathydorus servatus Topsent, 1927 (additional source)
Biemna Gray, 1867 (additional source)
Biemna dautzenbergi Topsent, 1890 (additional source)
Biemna rosea (Fristedt, 1887) accepted as Desmacella infundibuliformis (Vosmaer, 1885) (additional source)
Biemna variantia (Bowerbank, 1858) (additional source)
Bubaridae Topsent, 1894 (additional source)
Bubaris Gray, 1867 (additional source)
Bubaris vermiculata (Bowerbank, 1866) (additional source)
Cacochalina Schmidt, 1868 accepted as Callyspongia Duchassaing & Michelotti, 1864 (basis of record)
Cacospongia Schmidt, 1862 (additional source)
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)
Calthropella simplex Sollas, 1888 represented as Calthropella (Calthropella) simplex Sollas, 1888 (additional source)
Calyx Vosmaer, 1885 (additional source)
Caminus Schmidt, 1862 (additional source)
Caulophacidae Ijima, 1903 accepted as Rossellinae Schulze, 1885 accepted as Rossellidae Schulze, 1885 (additional source)
Caulophacus Schulze, 1886 (additional source)
Caulophacus (Caulophacus) arcticus (Hansen, 1885) (additional source)
Cerbaris Topsent, 1898 (additional source)
Chalina Grant, 1861 accepted as Haliclona (Haliclona) Grant, 1836 (additional source)
Chalina spatula Lundbeck, 1902 accepted as Cladocroce spatula (Lundbeck, 1902) (additional source)
Chalinidae Gray, 1867 (additional source)
Characella tripodaria (Schmidt, 1868) (additional source)
Chelonaplysilla de Laubenfels, 1948 (additional source)

European waters (ERMS scope) for Acantheurypon pilosella (Topsent, 1904) 
European waters (ERMS scope) for Acantheurypon scabiosum Topsent, 1927 
European waters (ERMS scope) for Acarnus levii (Vacelet, 1960) 
European waters (ERMS scope) for Aka infesta (Johnson, 1889) 
European waters (ERMS scope) for Alectona millari Carter, 1879 
European waters (ERMS scope) for Anisocrella hymedesmina Topsent, 1927 
European waters (ERMS scope) for Antho erecta (Ferrer Hernández, 1923) 
European waters (ERMS scope) for Aphrocallistes beatrix Gray, 1858 
European waters (ERMS scope) for Aphrocallistes bocagei Wright, 1870 
European waters (ERMS scope) for Aplysilla sulfurea Schulze, 1878 
European waters (ERMS scope) for Artemisina apollinis (Ridley & Dendy, 1886)  (inaccurate)
European waters (ERMS scope) for Artemisina arcigera (Schmidt, 1870) 
European waters (ERMS scope) for Artemisina erecta Topsent, 1904 
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 hypogea Vacelet & Boury-Esnault, 1996 
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 Auletta sessilis Topsent, 1904 
European waters (ERMS scope) for Auletta sycinularia Schmidt, 1870 
European waters (ERMS scope) for Auloplax filholi (Topsent, 1904) 
European waters (ERMS scope) for Axinella arctica (Vosmaer, 1885) 
European waters (ERMS scope) for Axinella cannabina (Esper, 1794) 
European waters (ERMS scope) for Axinella infundibuliformis (Linnaeus, 1759) 
European waters (ERMS scope) for Axinella vellerea Topsent, 1904 
European waters (ERMS scope) for Bathydorus servatus Topsent, 1927 
European waters (ERMS scope) for Biemna dautzenbergi Topsent, 1890 
European waters (ERMS scope) for Biemna rosea (Fristedt, 1887) 
European waters (ERMS scope) for Calthropella geodioides (Carter, 1876) 
European waters (ERMS scope) for Caulophacus (Caulophacus) arcticus (Hansen, 1885) 
European waters (ERMS scope) for Characella tripodaria (Schmidt, 1868) 
European waters (ERMS scope) for Chelonaplysilla noevus (Carter, 1876) 
European waters (ERMS scope) for Chondrilla nucula Schmidt, 1862 
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 Chondrosia plebeja Schmidt, 1868 
European waters (ERMS scope) for Chonelasma ijimai Topsent, 1901 
European waters (ERMS scope) for Chrotella amphiacantha Topsent, 1904 
European waters (ERMS scope) for Cladocroce fibrosa (Topsent, 1890) 
European waters (ERMS scope) for Cladocroce spathiformis Topsent, 1904 
European waters (ERMS scope) for Cladorhiza arctica Koltun, 1959 
European waters (ERMS scope) for Cladorhiza corticocancellata Carter, 1876 
European waters (ERMS scope) for Cladorhiza gelida Lundbeck, 1905 
European waters (ERMS scope) for Cladorhiza oxeata 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 Clathria campecheae Hooper, 1996 
European waters (ERMS scope) for Clathrina ascandroides Borojevic, 1971 
European waters (ERMS scope) for Clathrina biscayae Borojevic & Boury-Esnault, 1987 
European waters (ERMS scope) for Clathrina contorta (Bowerbank, 1866) 
European waters (ERMS scope) for Clathrina olynthus Borojevic & Boury-Esnault, 1987 
European waters (ERMS scope) for Clathrina reticulum (Schmidt, 1862) 
European waters (ERMS scope) for Cliona abyssorum Carter, 1874 
European waters (ERMS scope) for Cliona levispira Topsent, 1898 
European waters (ERMS scope) for Cliona pruvoti Topsent, 1900 
European waters (ERMS scope) for Cliona viridis (Schmidt, 1862) 
European waters (ERMS scope) for Coelosphaera (Histodermion) cryosi (Boury-Esnault, Pansini & Uriz, 1994) 
European waters (ERMS scope) for Coelosphaera appendiculata (Carter, 1874) 
European waters (ERMS scope) for Coelosphaera physa (Schmidt, 1875) 
European waters (ERMS scope) for Coelosphaera picoensis Topsent, 1928 
European waters (ERMS scope) for Corallistes masoni (Bowerbank, 1869) 
European waters (ERMS scope) for Cornulum textile Carter, 1876 
European waters (ERMS scope) for Crella (Yvesia) gelida (Lundbeck, 1910) 
European waters (ERMS scope) for Crella carnosa (Topsent, 1904) 
European waters (ERMS scope) for Crella fusifera Sarà, 1969 
European waters (ERMS scope) for Crella pyrula (Carter, 1876) 
European waters (ERMS scope) for Crellastrina alecto (Topsent, 1898) 
European waters (ERMS scope) for Cyamon spinispinosum (Topsent, 1904) 
European waters (ERMS scope) for Dendoricella abyssi (Topsent, 1904) 
European waters (ERMS scope) for Dendoricella flabelliformis (Hansen, 1885) 
European waters (ERMS scope) for Dendoricella rhopalum Lundbeck, 1905 
European waters (ERMS scope) for Desmacella annexa Schmidt, 1870 
European waters (ERMS scope) for Desmacella hamifera Lundbeck, 1902 
European waters (ERMS scope) for Desmacella informis (Stephens, 1916) 
European waters (ERMS scope) for Desmacella inornata (Bowerbank, 1866) 
European waters (ERMS scope) for Desmacella vagabunda Schmidt, 1870 
European waters (ERMS scope) for Desmacidon peltatus Topsent, 1904 
European waters (ERMS scope) for Dictyonella obtusa (Schmidt, 1862) 
European waters (ERMS scope) for Dictyonella plicata (Schmidt, 1880) 
European waters (ERMS scope) for Discodermia ramifera Topsent, 1892 
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 Dragmatella aberrans (Topsent, 1890) 
European waters (ERMS scope) for Dragmatyle lictor Topsent, 1904 
European waters (ERMS scope) for Dysidea fragilis (Montagu, 1814) 
European waters (ERMS scope) for Dysidea papillosa (Johnston, 1842) 
European waters (ERMS scope) for Echinostylinos reticulatus Topsent, 1927 
European waters (ERMS scope) for Ectyodoryx atlanticus Stephens, 1916 
European waters (ERMS scope) for Ectyodoryx foliatus (Fristedt, 1887) 
European waters (ERMS scope) for Erylus expletus Topsent, 1927 
European waters (ERMS scope) for Erylus granularis Topsent, 1904 

 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]