| Class CALCAREA Bowerbank, 1864 |
| Order CLATHRINIDA Hartman, 1958 |
| Family Clathrinidae Minchin, 1900 |
| Clathrina Gray, 1867 |
| Clathrina clathrus (Schmidt, 1864) |
| Clathrina coriacea (Montagu, 1818) |
| Guancha Miklucho-Maclay, 1868 |
| Guancha lacunosa (Bean in Johnston, 1842) |
| Order BAERIDA Borojevic, Boury-Esnault & Vacelet, 1999 |
| Family Leucaltidae Dendy & Row, 1913 |
| Baeria Miklucho-Maclay, 1870 |
| Leuconia johnstoni (Carter, 1871) |
| Leuconia nivea (Grant, 1826) |
| Family Grantiidae Dendy, 1892 |
| Grantia Fleming, 1828 |
| Grantia compressa (Fabricius, 1780) |
| Leucandra Haeckel, 1872 |
| Leucandra gossei (Bowerbank, 1862) |
| Sycandra Haeckel, 1872 |
| Sycandra utriculus (Schmidt, 1869) |
| Family Leucosoleniidae Minchin, 1900 |
| Leucosolenia Bowerbank, 1861 |
| Leucosolenia botryoides (Ellis & Solander, 1786) |
| Leucosolenia complicata (Montagu, 1818) |
| Leucosolenia variabilis Haeckel, 1870 |
| Family Sycettidae Dendy, 1892 |
| Sycon Risso, 1826 |
| Sycon ciliatum (Fabricius, 1780) |
| Order HOMOSCLEROPHORIDA Dendy, 1905 |
| Family Plakinidae Schulze, 1880 |
| Oscarella Vosmaer, 1884 |
| Oscarella sp. A . |
| Plakina Schulze, 1880 |
| Plakina monolopha Schulze, 1880 |
| Class DEMOSPONGIAE Sollas, 1885 |
| Family Halisarcidae Schmidt, 1862 |
| Halisarca Johnston, 1842 |
| Halisarca dujardini Johnston, 1842 |
| Order CHONDROSIDA Boury-Esnault & Lopes, 1985 |
| Family Chondrillidae J E Gray, 1872 |
| Thymosia Topsent, 1896 |
| Thymosia guernei Topsent, 1895 |
| Order VERONGIDA Bergquist, 1978 |
| Family Ianthellidae Hyatt, 1875 |
| Hexadella Topsent, 1896 |
| Hexadella topsenti Reveillaud, Allewaert, Pérez, Vacelet, Banaigs & Vanreusel, 2012 |
| Order DENDROCERATIDA Minchin, 1900 |
| Family Darwinellidae Merejkowsky, 1879 |
| Aplysilla Schulze, 1878 |
| Aplysilla rosea (Barrois, 1876) |
| Aplysilla sulfurea Schulze, 1878 |
| Chelonaplysilla de Laubenfels, 1948 |
| Chelonaplysilla noevus (Carter, 1876) |
| Family Dictyodendrillidae Bergquist, 1980 |
| Spongionella Bowerbank, 1862 |
| Spongionella pulchella (Sowerby, 1806) |
| Order DICTYOCERATIDA Minchin, 1900 |
| Family Dysideidae J E Gray, 1867 |
| Dysidea Johnston, 1842 |
| Dysidea fragilis (Montagu, 1818) |
| Dysidea pallescens Schmidt, 1862 |
| Order HAPLOSCLERIDA Topsent, 1928 |
| Acervochalina Ridley, 1884 |
| Acervochalina limbata (Montagu, 1818) |
| Haliclona Grant, 1835 |
| Haliclona angulata (Bowerbank, 1866) |
| Haliclona fibulata (Schmidt, 1862) |
| Haliclona rava (Stephens, 1912) |
| Haliclona fistulosa (Bowerbank, 1866) |
| Haliclona oculata (Pallas, 1766) |
| Haliclona simulans (Johnston, 1842) |
| Haliclona cinerea (Grant, 1826) |
| Haliclona indistincta (Bowerbank, 1866) |
| Haliclona rosea (Bowerbank, 1866) |
| Haliclona urceolus (Rathke & Vahl, 1806) |
| Haliclona viscosa (Topsent, 1888) |
| Family Chalinidae J E Gray, 1867 |
| Oceanapia Norman, 1869 |
| Oceanapia isodictyiformis (Carter, 1882) |
| Family Axinellidae Carter, 1875 |
| Axinella Schmidt, 1862 |
| Axinella damicornis (Esper, 1794) |
| Axinella dissimilis (Bowerbank, 1866) |
| Axinella flustra Topsent, 1892 |
| Axinella infundibuliformis (Linnaeus, 1758) |
| Axinella parva Picton & Goodwin, 2007 |
| Axinella pyramidata Stephens, 1916 |
| Family Raspailiidae Hentschel, 1923 |
| Endectyon Topsent, 1920 |
| Endectyon delaubenfelsi Burton, 1930 |
| Eurypon J E Gray, 1867 |
| Eurypon coronula (Bowerbank, 1869) |
| Eurypon clavigera (Bowerbank, 1866) |
| Eurypon major Sara & Siribelli, 1960 |
| Tricheurypon viride (Topsent, 1889) |
| Hymeraphia Bowerbank, 1862 |
| Hymeraphia stellifera (Bowerbank, 1866) |
| Hymeraphia breeni Picton & Goodwin, 2007 |
| Hymeraphia elongata Picton & Goodwin, 2007 |
| Raspaciona Topsent, 1936 |
| Raspaciona aculeata sensu Topsent, 1936 |
| Raspailia Nardo, 1833 |
| Raspailia aculeata (Bowerbank, 1866) |
| Raspailia hispida (Montagu, 1818) |
| Raspailia agnata Topsent, 1896 |
| Raspailia ramosa (Montagu, 1818) |
| Tethyspira Topsent, 1890 |
| Tethyspira spinosa (Bowerbank, 1874) |
| Tricheurypon Topsent, 1928 |
| Paratimea loennbergi (Alander, 1942) |
| Stelligera rigida (Montagu, 1818) |
| Stelligera stuposa (Ellis & Solander, 1786) |
| Stelligera J E Gray, 1867 |
| Halicnemia verticillata (Bowerbank, 1862) |
| Halicnemia gallica (Topsent, 1893) |
| Bubaris J E Gray, 1867 |
| Bubaris vermiculata (Bowerbank, 1862) |
| Phakellia Bowerbank, 1862 |
| Phakellia ventilabrum (Linnaeus, 1767) |
| Family Dictyonellidae Van Soest, Diaz & Pomponi, 1990 |
| Biemna J E Gray, 1867 |
| Biemna variantia (Bowerbank, 1858) |
| Order ASTROPHORIDA Sollas, 1886 |
| Family Ancorinidae Schmidt, 1862 |
| Stelletta Schmidt, 1862 |
| Stelletta grubii Schmidt, 1862 |
| Stelletta lactea Carter, 1871 |
| Stryphnus Sollas, 1886 |
| Stryphnus ponderosus (Bowerbank, 1866) |
| Family Geodiidae J E Gray, 1867 |
| Geodia Lamarck, 1815 |
| Geodia barretti Bowerbank, 1858 |
| Pachymatisma Johnston, 1842 |
| Pachymatisma johnstonia (Bowerbank, 1842) |
| Family Pachastrellidae Carter, 1875 |
| Dercitus J E Gray, 1867 |
| Dercitus bucklandi (Bowerbank, 1858) |
| Order SPIROPHORIDA Bergquist & Hogg, 1969 |
| Family Tetillidae Sollas, 1886 |
| Alectona Carter, 1879 |
| Craniella cranium (O F Müller, 1776) |
| Craniella zetlandica (Carter, 1872) |
| Family Alectonidae Rosell, 1996 |
| Hymerhabdia Topsent, 1892 |
| Hymerhabdia typica Topsent, 1892 |
| Family Polymastiidae J E Gray, 1867 |
| Polymastia Bowerbank, 1862 |
| Polymastia boletiformis (Lamarck, 1815) |
| Polymastia penicillus (Montagu, 1818) |
| Quasillina Norman, 1869 |
| Quasillina brevis (Bowerbank, 1866) |
| Family Desmacellidae Ridley & Dendy, 1886 |
| Desmacella Schmidt, 1870 |
| Desmacella cf. annexa (Schmidt, 1870) |
| Order POECILOSCLERIDA Topsent, 1928 |
| Family Acarnidae Dendy, 1922 |
| Iophon J E Gray, 1867 |
| Iophon hyndmani (Bowerbank, 1858) |
| Iophonopsis nigricans (Bowerbank, 1858) |
| Family Coelosphaeridae Dendy, 1922 |
| Ectyodoryx Lundbeck, 1909 |
| Ectyodoryx jenjonesae Picton & Goodwin, 2007 |
| Family Crellidae Dendy, 1922 |
| Crella J E Gray, 1867 |
| Crella rosea (Topsent, 1892) |
| Crella plana Picton & Goodwin, 2007 |
| Family Desmacididae Schmidt, 1870 |
| Desmacidon Bowerbank, 1861 |
| Desmacidon fruticosum (Montagu, 1818) |
| Family Esperiopsidae Hentschel, 1923 |
| Amphilectus sp. Vosmaer, 1880 |
| Amphilectus fucorum (Esper, 1794) |
| Amphilectus lobata (Montagu, 1818) |
| Ulosa de Laubenfels, 1936 |
| Ulosa digitata (Schmidt, 1866) |
| Family Hymedesmiidae Topsent, 1928 |
| Hemimycale Burton, 1934 |
| Hemimycale columella (Bowerbank, 1874) |
| Hymedesmia Bowerbank, 1862 |
| Hymedesmia brondstedi Burton, 1930 |
| Hymedesmia hibernica Stephens, 1916 |
| Hymedesmia jecusculum (Bowerbank, 1866) |
| Hymedesmia pansa Bowerbank, 1882 |
| Hymedesmia paupertas (Bowerbank, 1866) |
| Hymedesmia peachii Bowerbank, 1882 |
| Hymedesmia primitiva Lundbeck, 1910 |
| Hymedesmia stellifera Goodwin & Picton, 2009 |
| Hymedesmia rathlinia Goodwin & Picton, 2009 |
| Hymedesmia cohesibacilla Goodwin & Picton, 2009 |
| Hymedesmia crami |
| Phorbas Duchassaing & Michelotti, 1864 |
| Phorbas bihamigera (Waller, 1878) |
| Phorbas dives (Topsent, 1891) |
| Phorbas fictitius (Bowerbank, 1866) |
| Phorbas punctata Picton & Goodwin, 2007 |
| Phorbas plumosum (Montagu, 1818) |
| Plocamionida Topsent, 1927 |
| Plocamionida ambigua (Bowerbank, 1866) |
| Plocamionida tylotata Brondsted, 1932 |
| Spanioplon Topsent, 1890 |
| Spanioplon armaturum (Bowerbank, 1866) |
| Family Isodictyidae Dendy, 1924 |
| Isodictya Bowerbank, 1858 |
| Isodictya palmata (Ellis & Solander, 1786) |
| Family Microcionidae Carter, 1875 |
| Clathria Schmidt, 1862 |
| Clathria barleei (Bowerbank, 1866) |
| Microciona Bowerbank, 1862 |
| Microciona armata Bowerbank, 1866 |
| Microciona atrasanguinea Bowerbank, 1862 |
| Microciona bitoxa Burton, 1930 |
| Microciona cf. armata sensu Levi |
| Microciona elliptichela Alander, 1942 |
| Microciona fallax Bowerbank, 1866 |
| Microciona laevis Bowerbank, 1866 |
| Microciona spinarcus Carter & Hope, 1889 |
| Microciona strepsitoxa Hope, 1889 |
| Antho J E Gray, 1867 |
| Antho coriacea (Bowerbank, 1874) |
| Antho brattegardi van Soest & Stone, 1986 |
| Antho dichotoma (Esper, 1794) |
| Antho inconstans Topsent, 1925 |
| Antho involvens (Schmidt, 1864) |
| Antho granditoxa Picton & Goodwin, 2007 |
| Ophlitaspongia Bowerbank, 1866 |
| Ophlitaspongia papilla Bowerbank, 1866 |
| Ophlitaspongia kildensis Howson & Chambers, 1999 |
| Family Mycalidae Lundbeck, 1905 |
| Mycale J E Gray, 1867 |
| Mycale contarenii (Martens, 1824) |
| Mycale rotalis (Bowerbank, 1874) |
| Mycale macilenta (Bowerbank, 1866) |
| Mycale lingua (Bowerbank, 1858) |
| Rhaphidotheca Kent, 1870 |
| Mycale similaris (Bowerbank, 1874) |
| Family Myxillidae Dendy, 1922 |
| Myxilla Schmidt, 1862 |
| Myxilla fimbriata (Bowerbank, 1864) |
| Myxilla incrustans (Johnston, 1842) |
| Myxilla rosacea (Lieberkuhn, 1859) |
| Styloptilon Cabioch, 1968 |
| Styloptilon ancoratum Cabioch, 1968 |
| Myxilla cf. rosacea |
| Plocamiancora Topsent, 1927 |
| Plocamiancora arndti Alander, 1942 |
| Family Clionaidae D'Orbigny, 1851 |
| Cliona Grant, 1826 |
| Cliona celata Grant, 1826 |
| Family Tethyidae J E Gray, 1848 |
| Tethya Lamarck, 1814 |
| Tethya citrina Sara & Melone, 1965 |
| Tethya hibernica Heim, Nickel, Picton & Brümmer, 2007 |
| Tethya norvegica Bowerbank, 1872 |
| Family Hemiasterellidae Lendenfeld, 1889 |
| Adreus fascicularis (Bowerbank, 1866) |
| Family Halichondriidae J E Gray, 1867 |
| Ciocalypta Bowerbank, 1862 |
| Ciocalypta penicillus Bowerbank, 1864 |
| Eumastia Schmidt, 1870 |
| Eumastia sitiens Schmidt, 1870 |
| Halichondria bowerbanki Burton, 1930 |
| Halichondria panicea (Pallas, 1766) |
| Hymeniacidon Bowerbank, 1858 |
| Hymeniacidon kitchingi (Burton, 1935) |
| Hymeniacidon perlevis (Montagu, 1818) |
| Spongosorites Topsent, 1896 |
| Spongosorites calcicola Picton & Goodwin, 2007 |
| Family Suberitidae Schmidt, 1870 |
| Homaxinella Topsent, 1916 |
| Homaxinella subdola (Bowerbank, 1866) |
| Protosuberites Swartschewsky, 1905 |
| Protosuberites denhartogi van Soest & De Kluijver, 2003 |
| Protosuberites incrustans Stephens, 1915 |
| Pseudosuberites Topsent, 1896 |
| Hymeniacidon simplicima (Bowerbank, 1874) |
| Pseudosuberites sulphureus (Bean, 1866) |
| Suberites Nardo, 1833 |
| Suberites carnosus (Johnston, 1842) |
| Suberites ficus (Linnaeus, 1767) |
| Suberites massa Nardo, 1847 |
| Terpios Duchassaing & Michelotti, 1864 |
| Terpios gelatinosa Bowerbank, 1866 |
| Order HALICHONDRIDA J E Gray, 1867 |
| Family Desmoxyidae Hallman, 1917 |
| Laxosuberites Topsent, 1896 |
| Dictyonella sp. A |