Adocia fragilis Vacelet, Vasseur & Lévi, 1976 accepted as Haliclona fragilis (Vacelet, Vasseur & Lévi, 1976) (additional source)
Adocia perforata Pulitzer-Finali, 1986 accepted as Haliclona (Halichoclona) pulitzerfinalii Van Soest & Hooper, 2020 (additional source)
Adocia tenellus (Topsent, 1916) accepted as Haliclona (Gellius) jeancharcoti Van Soest & Hooper, 2020 (additional source)
Adocia varia Sarà, 1958 accepted as Haliclona (Haliclona) michelei Van Soest & Hooper, 2020 (new combination reference)
Adocia viola de Laubenfels, 1954 accepted as Haliclona viola (de Laubenfels, 1954) (additional source)
Amorphilla halichondroides Thiele, 1898 accepted as Hymeniacidon halichondroides (Thiele, 1898) (additional source)
Amphilectus lobatus (Montagu, 1814) accepted as Amphilectus ovulum (Schmidt, 1870) (basis of record)
Amphilectus ovulum (Schmidt, 1870) (new combination reference)
Ancorella Lendenfeld, 1907 (status source)
Aplysina cancellata (Linnaeus, 1767) accepted as Aplysina fulva (Pallas, 1766) (new combination reference)
Armodendrilla Van Soest & Hooper, 2020 (original description)
Armodendrilla bergquistae Van Soest & Hooper, 2020 (original description)
Astrella tuberosa Topsent, 1892 accepted as Stelletta tuberosa (Topsent, 1892) (additional source)
Axinella pumila Babiç, 1922 accepted as Axinella minuta Lévi, 1957 (source of synonymy)
Axinella pumila Keller, 1889 accepted as Higginsia pumila (Keller, 1889) (additional source)
Axinella reticulata (Vio in Olivi, 1792) (new combination reference)
Axinella reticulata Ridley & Dendy, 1886 accepted as Dragmacidon reticulatum (Ridley & Dendy, 1886) (status source)
Biemna humilis Thiele, 1903 accepted as Mycale (Kerasemna) humilis (Thiele, 1903) (source of synonymy)
Cacochalina irregularis Czerniavsky, 1880 accepted as Haliclona irregularis (Czerniavsky, 1880) (additional source)
Cacochalina subtilis Schmidt, 1870 accepted as Callyspongia subtilis (Schmidt, 1870) (additional source)
Callyspongia (Callyspongia) burtoni Van Soest & Hooper, 2020 (original description)
Callyspongia (Callyspongia) elegans (Lendenfeld, 1887) (additional source)
Callyspongia (Callyspongia) nuda (Ridley, 1884) (new combination reference)
Callyspongia (Callyspongia) pulitzeri Van Soest & Hooper, 2020 (original description)
Callyspongia (Callyspongia) ramosa (Gray, 1843) accepted as Callyspongia (Callyspongia) nuda (Ridley, 1884) (new combination reference)
Callyspongia (Callyspongia) robertvonlendenfeldi Van Soest & Hooper, 2020 accepted as Callyspongia (Callyspongia) serpentina (Lamarck, 1814) (original description)
Callyspongia (Callyspongia) tubulosa (Linnaeus, 1759) (additional source)
Callyspongia (Cladochalina) aculeata (Linnaeus, 1759) (basis of record)
Callyspongia (Cladochalina) aculeata (Linnaeus, 1759) (new combination reference)
Callyspongia (Cladochalina) johannesthielei Van Soest & Hooper, 2020 (original description)
Callyspongia (Cladochalina) villosa (Pallas, 1766) accepted as Callyspongia (Cladochalina) aculeata (Linnaeus, 1759) (source of synonymy)
Callyspongia brondstedi Van Soest & Hooper, 2020 (original description)
Callyspongia kelleri Van Soest & Hooper, 2020 (original description)
Callyspongia laxa (Lendenfeld, 1887) (new combination reference)
Callyspongia lindgreni Van Soest & Hooper, 2020 (original description)
Callyspongia mollis (Schmidt, 1870) (new combination reference)
Callyspongia ramosa (Gray, 1843) accepted as Callyspongia (Callyspongia) nuda (Ridley, 1884) (additional source)
Callyspongia roberti Van Soest & Hooper, 2020 accepted as Callyspongia tuberculata (Lendenfeld, 1887) (original description)
Callyspongia subtilis Pulitzer-Finali, 1993 accepted as Callyspongia (Callyspongia) pulitzeri Van Soest & Hooper, 2020 (additional source)
Callyspongia truncata (Lendenfeld, 1887) (additional source)
Callyspongia villosa (Lendenfeld, 1887) accepted as Haliclona villosa (Lendenfeld, 1887) (new combination reference)
Callyspongia vonlendenfeldi Van Soest & Hooper, 2020 accepted as Callyspongia (Callyspongia) nuda (Ridley, 1884) (original description)
Calyx Vosmaer, 1885 (source of synonymy)
Carmia hentscheli Bergquist & Fromont, 1988 accepted as Mycale (Carmia) hentscheli (Bergquist & Fromont, 1988) (additional source)
Ceraochalina tenella Lendenfeld, 1887 accepted as Callyspongia (Callyspongia) nuda (Ridley, 1884) (additional source)
Chalina inornata Bowerbank, 1874 accepted as Ulosa digitata (Schmidt, 1866) (additional source)
Chalina oculata var. repens Carter, 1886 accepted as Dactylia carteri Van Soest & Hooper, 2020 (new combination reference)
Chalinella tenella Lendenfeld, 1887 accepted as Callyspongia (Callyspongia) elegans (Lendenfeld, 1887) (additional source)
Chalinissa ramosa Lendenfeld, 1887 accepted as Callyspongia (Callyspongia) serpentina (Lamarck, 1814) (additional source)
Chalinopora lamella Lendenfeld, 1887 accepted as Callyspongia (Cladochalina) diffusa (Ridley, 1884) (additional source)
Chalinopora tenella Lendenfeld, 1887 accepted as Haliclona tenella (Lendenfeld, 1887) (additional source)
Chalinorhaphis densa Lendenfeld, 1887 accepted as Haliclona densa (Lendenfeld, 1887) (additional source)
Chalinula ovulum Schmidt, 1870 accepted as Amphilectus ovulum (Schmidt, 1870) (new combination reference)
Chelonaplysilla Laubenfels, 1948 (additional source)
Chelonaplysilla erecta (Row, 1911) (additional source)
Chelonaplysilla erecta Tsurnamal, 1967 accepted as Chelonaplysilla erecta (Row, 1911) (additional source)
Cinachyrella desqueyrouxae Van Soest & Hooper, 2020 (original description)
Cinachyrella globulosa (Gray, 1873) (additional source)
Cladochalina laxa (Lendenfeld, 1887) accepted as Callyspongia laxa (Lendenfeld, 1887) (additional source)
Clathria (Axosuberites) flabellata (Topsent, 1916) (additional source)
Clathria (Clathria) bergquistae Van Soest & Hooper, 2020 (original description)
Clathria (Clathria) burtoni Hooper, 1996 accepted as Clathria (Clathria) burtoni Cuartas, 1995 (basis of record)
Clathria (Thalysias) mauriceburtoni Van Soest & Hooper, 2020 (original description)
Clathria (Thalysias) virgultosa (Esper, 1806) (new combination reference)
Clathria (Thalysias) virgultosa (sensu Lamarck, 1814) accepted as Clathria (Thalysias) virgultosa (Esper, 1806) (source of synonymy)
Clathria frondosa (Pallas, 1766) (new combination reference)
Clathria virgultosa (sensu Lamarck, 1814) accepted as Clathria (Thalysias) virgultosa (Esper, 1806) (additional source)
Clathriodendron irregularis Lendenfeld, 1888 accepted as Raspailia (Clathriodendron) irregularis (Lendenfeld, 1888) (additional source)
Craniella baeri Van Soest & Hooper, 2020 (original description)
Craniella globosa Thiele, 1898 (additional source)
Crella (Grayella) carteri Van Soest & Hooper, 2020 (original description)
Dactylia carteri Van Soest & Hooper, 2020 (original description)
Dactylochalina villosa Lendenfeld, 1887 accepted as Haliclona villosa (Lendenfeld, 1887) (new combination reference)
Dendrilla cactus (Selenka, 1867) accepted as Dendrilla cactos (Selenka, 1867) (additional source)
Desmacella humilis (Thiele, 1903) accepted as Mycale (Kerasemna) humilis (Thiele, 1903) (additional source)
Desmacidon levii Van Soest & Hooper, 2020 (original description)
Ditela repens Selenka, 1867 accepted as Dactylia repens (Selenka, 1867) (additional source)
Dysidea lehnerti Van Soest & Hooper, 2020 (original description)
Dysidea tubulata Rutot, 1874 † (additional source)
Echinodictyum cancellatum (Lamarck, 1814) accepted as Echinodictyum pulchrum Brøndsted, 1934 (basis of record)
Ectyomyxilla ramosa Bergquist & Fromont, 1988 accepted as Myxilla (Ectyomyxilla) janeae Van Soest & Hooper, 2020 (additional source)
Euchalina reticulata Lendenfeld, 1887 accepted as Haliclona lendenfeldi Van Soest & Hooper, 2020 (additional source)
Euchalinopsis reticulata Lendenfeld, 1887 accepted as Haliclona reticulata (Lendenfeld, 1887) (additional source)
Euspongia officinalis var. tubulosa Schulze, 1879 accepted as Spongia (Spongia) virgultosa (Schmidt, 1868) (additional source)
Euspongia reticulata Lendenfeld, 1886 accepted as Spongia reticulata (Lendenfeld, 1886) represented as Spongia (Spongia) reticulata (Lendenfeld, 1886) (additional source)
Forcepia (Forcepia) dendyi Van Soest & Hooper, 2020 (original description)
Forcepia (Forcepia) lundbecki Van Soest & Hooper, 2020 (original description)
Forcepia (Leptolabis) forcipula (Topsent, 1904) (additional source)
Forcepia carteri Dendy, 1896 accepted as Forcepia (Forcepia) dendyi Van Soest & Hooper, 2020 (basis of record)
Gellius glacialis Ridley & Dendy, 1886 accepted as Haliclona (Gellius) glacialis (Ridley & Dendy, 1886) (additional source)
Gellius laevis Ridley & Dendy, 1886 accepted as Haliclona (Gellius) laevis (Ridley & Dendy, 1886) (additional source)
Gellius reptans Whitelegge, 1906 accepted as Haliclona (Gellius) reptans (Whitelegge, 1906) (additional source)
Gellius subtilis Pulitzer-Finali, 1982 accepted as Microxina subtilis (Pulitzer-Finali, 1982) accepted as Haliclona (Gellius) pulitzeri Van Soest & Hooper, 2020 (new combination reference)
Gellius tenellus Topsent, 1916 accepted as Haliclona (Gellius) jeancharcoti Van Soest & Hooper, 2020 (new combination reference)
Gellius tener Topsent, 1927 accepted as Haliclona (Gellius) emilei Van Soest & Hooper, 2020 (new combination reference)
Geodia boesraugi Van Soest & Hooper, 2020 (original description)
Geodia lebwohli Van Soest & Hooper, 2020 (original description)
Geodia lendenfeldi Stone, Lehnert & Reiswig, 2011 accepted as Geodia carolae (Lendenfeld, 1910) (new combination reference)
Geodia nigra Lendenfeld, 1888 (additional source)
Geodia nilslindgreni Van Soest & Hooper, 2020 (original description)

 Homonymy

 for Halichondria rubra var. digitata Lendenfeld, 1888

Technically this variety is a senior primary homonym of Halichondria digitata Baer, 1906, but this in turn is a ... [details]

 Homonymy

 for Haliclona hoshinoi Van Soest & Hooper, 2020

When Van Soest & Hooper (2020) created this nomen novum for Haliclona digitata Tanita & Hoshino, 1989 as it was a ... [details]

 Neotype

 for Clathria (Thalysias) virgultosa (Esper, 1806)

Hooper (1996: 411) rejected the proposed synonymy (by De Laubenfels, 1936) between Spongia virgultosa Esper, 1806: ... [details]