• Aeolosoma aureum Marcus Er., 1944
• Aeolosoma aurigena (Eichwald, 1847) (uncertain > taxon inquirendum)
• Aeolosoma beddardi Michaelsen, 1900
• Aeolosoma bengalense Stephenson, 1911 accepted as Aeolosoma headleyi Beddard, 1888
• Aeolosoma corderoi Du Bois-Raymond Marcus, 1944
• Aeolosoma crassum Moszynski, 1938 (uncertain > taxon inquirendum)
• Aeolosoma evelinae Er. Marcus, 1944
• Aeolosoma fiedleri Bretscher, 1896 (uncertain > taxon inquirendum)
• Aeolosoma flavum Štolc, 1901
• Aeolosoma gertae Er. Marcus, 1944
• Aeolosoma gineti Juget, 1959 (uncertain > nomen dubium)
• Aeolosoma gracile Štolc, 1903 (uncertain > taxon inquirendum)
• Aeolosoma headleyi Beddard, 1888
• Aeolosoma hemprichi [auct. misspelling for hemprichii] accepted as Aeolosoma hemprichii Ehrenberg, 1828
• Aeolosoma hemprichii Ehrenberg, 1828
• Aeolosoma hyalinum Bunke, 1967
• Aeolosoma japonicum Yamaguchi, 1953
• Aeolosoma josephi Štolc, 1901 (uncertain > taxon inquirendum)
• Aeolosoma kashyapi Stephenson, 1923 accepted as Aeolosoma hemprichii Ehrenberg, 1828
• Aeolosoma leidyi Cragin, 1887
• Aeolosoma litorale Bunke, 1967
• Aeolosoma macrogaster Schmarda, 1861 (uncertain > taxon inquirendum)
• Aeolosoma maggii Cognetti, 1901 (uncertain > taxon inquirendum)
• Aeolosoma maritimum Westheide & Bunke, 1970
• Aeolosoma maritimum dubiosum Westheide & Schmidt, 1974
• Aeolosoma markewitschi Boshko & Pashkevichute, 1975 accepted as Hystricosoma chappuisi markewitschi (Boshko & Pashkevichute, 1975)
• Aeolosoma neizvestnovi Lastočkin, 1935 accepted as Rheomorpha neizvestnovae (Lastochkin, 1935)
• Aeolosoma niveum Leydig, 1865
• Aeolosoma olivaceum Bunke, 1967
• Aeolosoma pictum Schmarda, 1861 accepted as Hystricosoma pictum (Schmarda, 1861)
• Aeolosoma psammophilum Bunke, 1967
• Aeolosoma quaternarium Ehrenberg, 1831
• Aeolosoma sawayai Er. Marcus, 1944
• Aeolosoma stokesii Cragin, 1887 (uncertain > taxon inquirendum)
• Aeolosoma tenebrarum Vejdovský, 1880
• Aeolosoma tenuidorsum Baskin, 1928 (uncertain > taxon inquirendum)
• Aeolosoma ternarium Schmarda, 1861 (uncertain > taxon inquirendum)
• Aeolosoma thermophilium Vejdovský, 1905 (uncertain > taxon inquirendum)
• Aeolosoma travancorense Aiyer, 1926
• Aeolosoma variegatum Vejdovský, 1886
• Aeolosoma venustum Leidy, 1850 (uncertain > taxon inquirendum)
• Aeolosoma viride Stephenson, 1911
• Asteriomyzostomum asteriae (Marenzeller, 1895)
• Asteriomyzostomum fisheri (Wheeler, 1905)
• Asteriomyzostomum hercules Jimi, Moritaki & Kajihara, 2017
• Asteriomyzostomum jinshou Jimi, Moritaki & Kajihara, 2017
• Asteriomyzostomum monroeae Jimi, Moritaki & Kajihara, 2017
• Asteromyzostomum grygieri Summers & Rouse, 2014
• Contramyzostoma bialatum Eeckhaut, Grygier & Deheyn, 1995
• Contramyzostoma sphaera Eeckhaut, Grygier & Deheyn, 1998
• Cyclocirra thompsonii Müller, 1841
• Cystimyzostomum cysticolum (Graff, 1883) accepted as Myzostoma cysticolum Graff, 1883
• Diplotis hyalina Montagu, 1816 (uncertain > taxon inquirendum)
• Diurodrilus ankeli Ax, 1967
• Diurodrilus benazzii Gerlach, 1952
• Diurodrilus dohrni Gerlach, 1953
• Diurodrilus kunii Kajihara, Ikoma, Yamasaki & Hiruta, 2019
• Diurodrilus minimus Remane, 1925
• Diurodrilus subterraneus Remane, 1934
• Diurodrilus westheidei Kristensen & Niilonen, 1982
• Eenymeenymyzostoma cirripedium (Graff, 1885)
• Eenymeenymyzostoma nigrocorallium Terrana & Eeckhaut, 2017
• Endomyzostoma cryptopodium (Wheeler, 1897)
• Endomyzostoma neridae Summers & Rouse, 2014
• Endomyzostoma pentacrini (Graff, 1884)
• Endomyzostoma scotia Summers & Rouse, 2014
• Hypomyzostoma crosslandi (Boulenger, 1913)
• Hypomyzostoma folium (Graff, 1884)
• Hypomyzostoma jasoni Summers & Rouse, in Summers Al-Hakim & Rouse, 2014
• Hypomyzostoma jonathoni Summers & Rouse, in Summers Al-Hakim & Rouse, 2014
• Hypomyzostoma membranaceum (Graff, 1887)
• Hystricosoma chappuisi Michaelsen, 1926
• Hystricosoma chappuisi markewitschi (Boshko & Pashkevichute, 1975)
• Hystricosoma pictum (Schmarda, 1861)
• Lobatocerebrum psammicola Rieger, 1980
• Lobatocerebrum riegeri Kerbl, Bekkouche, Sterrer & Worsaae, 2015
• Mesomyzostoma botulus Rouse, Lanterbecq, Summers & Eeckhaut, 2016
• Mesomyzostoma katoi Okada, 1933
• Mesomyzostoma lanterbecqae Summers & Rouse, in Summers Al-Hakim & Rouse, 2014
• Mesomyzostoma leukos Rouse, Lanterbecq, Summers & Eeckhaut, 2016
• Mesomyzostoma lobus Rouse, Lanterbecq, Summers & Eeckhaut, 2016
• Mesomyzostoma okadai Rouse, Lanterbecq, Summers & Eeckhaut, 2016
• Mesomyzostoma reichenspergeri Remscheid, 1918
• Millepeda marina Seba, 1734 (uncertain > nomen dubium)
• Millepeda marina amboinensis Seba, 1734 accepted as Hermodice carunculata (Pallas, 1766)
• Millepeda marina belgica Seba, 1734 (uncertain > nomen dubium)
• Mycomyzostoma calcidicola Eeckhaut, 1998
• Myzostoma abundans Graff, 1883
• Myzostoma adhaerens Remscheid, 1918
• Myzostoma agassizii Graff, 1883
• Myzostoma alatum Graff, 1884
• Myzostoma ambiguum Graff, 1887
• Myzostoma antarcticum Stummer-Traunfels, 1908
• Myzostoma antennatum Graff, 1884
• Myzostoma areolatum Graff, 1883
• Myzostoma armatae Grygier, 1989
• Myzostoma aruense Remscheid, 1918
• Myzostoma asteriae Marenzeller, 1895 accepted as Asteriomyzostomum asteriae (Marenzeller, 1895)
• Myzostoma asymmetricum Graff, 1884
• Myzostoma atrum Atkins, 1927