Halichondriidae Gray, 1867
Halichondria aciculata Carter, 1885
Halichondria adelpha de Laubenfels, 1954
Halichondria agglomerans Cabioch, 1968
Halichondria albescens sensu Johnston, 1842
Halichondria aldabrensis Lévi, 1961
Halichondria almae (Carballo, Uriz & Garcia-Gomez, 1996)
Halichondria arenacea Dendy, 1895
Halichondria arenosa Hentschel, 1929
Halichondria armata Lindgren, 1897
Halichondria aspera Swartschewsky, 1906
Halichondria attenuata (Topsent, 1915)
Halichondria axinelloides Swartschewsky, 1906
Halichondria bergquistae Hooper, Cook, Hobbs & Kennedy, 1997
Halichondria bowerbanki Burton, 1930
Halichondria brunnea (Schmidt, 1868)
Halichondria cancellosa (Carter, 1886)
Halichondria capensis Samaai & Gibbons, 2005
Halichondria (Halichondria) carotenoidea Alvarez & Hooper, 2011
Halichondria cartilaginea (Esper, 1794)
Halichondria cebimarensis Carvalho & Hajdu, 2001
Halichondria coerulea Bergquist, 1967
Halichondria colossea Lundbeck, 1902
Halichondria contorta (Sarà, 1961)
Halichondria convolvens Sarà, 1960
Halichondria cornuloides Burton, 1954
Halichondria corrugata Diaz, van Soest & Pomponi, 1993
Halichondria cristata Sarà, 1978
Halichondria cylindrata Tanita & Hoshino, 1989
Halichondria darwinensis Hooper, Cook, Hobbs & Kennedy, 1997
Halichondria diversispiculata Burton, 1930
Halichondria dubia (Czerniavsky, 1880)
Halichondria fallax (Marshall, 1892)
Halichondria fastigiata (Pallas, 1766)
Halichondria flava (Merejkowski, 1878)
Halichondria flexuosa (Sarà, 1978)
Halichondria foetida (Wilson, 1894)
Halichondria foraminosa (Czerniavsky, 1880)
Halichondria fragilis Kieschnick, 1896
Halichondria gageoenesis Kang & Sim, 2008
Halichondria genetrix Schmidt, 1870
Halichondria genitrix (Schmidt, 1870)
Halichondria gilvus Samaai & Gibbons, 2005
Halichondria glabrata Keller, 1891
Halichondria granulata Keller, 1891
Halichondria heterorrhaphis Breitfuss, 1912
Halichondria incrustans Kieschnick, 1896
Halichondria intermedia Brøndsted, 1924
Halichondria isthmica (Keller, 1883)
Halichondria japonica (Kadota, 1922)
Halichondria knowltoni Bergquist, 1961
Halichondria labiata Hentschel, 1929
Halichondria lambei Brøndsted, 1933
Halichondria lendenfeldi Lévi, 1961
Halichondria leuconoides Topsent, 1890
Halichondria longispicula (Czerniavsky, 1880)
Halichondria lutea Alcolado, 1984
Halichondria lycopodium (Esper, 1799)
Halichondria magniconolosa
Halichondria magniconulosa Hechtel, 1965
Halichondria maraensis Kim & Sim, 2009
Halichondria melanadocia de Laubenfels, 1936
Halichondria melanodocia de Laubenfels, 1936
Halichondria membranacea (Sarà, 1978)
Halichondria (Halichondria) microbiana Alvarez & Hooper, 1911
Halichondria miggottea Carvalho & Hajdu, 2001
Halichondria migottea Carvalho & Hajdu, 2001
Halichondria minuta Keller, 1891
Halichondria modesta (Pulitzer-Finali, 1986)
Halichondria moorei Bergquist, 1961
Halichondria muanensis Kang & Sim, 2008
Halichondria nigrocutis (Carter, 1886)
Halichondria normani Burton, 1930
Halichondria oblonga (Hansen, 1885)
Halichondria okadai (Kadota, 1922)
Halichondria osculum Lundbeck, 1902
Halichondria oshoro Tanita, 1961
Halichondria oxiparva (Sarà, 1978)
Halichondria panicea (Pallas, 1766)
Halichondria papillaris (Pallas, 1766)
Halichondria pelliculata Ridley & Dendy, 1886
Halichondria phakellioides Dendy & Frederick, 1924
Halichondria poa (de Laubenfels, 1947)
Halichondria pontica (Czerniavsky, 1880)
Halichondria prostata Thiele, 1905
Halichondria prostrata Thiele, 1905
Halichondria punctata Bergquist, 1970
Halichondria renieroides (Fristedt, 1887)
Halichondria ridleyi Hooper, Cook, Hobbs & Kennedy, 1997
Halichondria schmidti Dendy, 1895
Halichondria semitubulosa Lieberkühn, 1859
Halichondria sitiens (Schmidt, 1870)
Halichondria solidior (Schmidt, 1870)
Halichondria stalagmites (Hentschel, 1912)
Halichondria stylata Diaz, van Soest & Pomponi, 1993
Halichondria suberosa (Esper, 1794)
Halichondria sulfurea Carvalho & Hajdu, 2001
Halichondria surrubicunda Hoshino, 1981
Halichondria syringea Pulitzer-Finali, 1996
Halichondria tenebrica Carvalho & Hajdu, 2001
Halichondria tenera (Marenzeller, 1878)
Halichondria tenuiramosa Dendy, 1922
Halichondria tenuispiculata Brøndsted, 1916
Halichondria tuberculata Keller, 1891
Halichondria turritella (Schmidt, 1870)
Halichondria vansoesti Hooper, Cook, Hobbs & Kennedy, 1997
Halichondria velamentosa (Hansen, 1885)