• Abyssocucumis abyssorum (Théel, 1886)
• Abyssocucumis albatrossi Cherbonnier, 1947
• Abyssocucumis ingolfi Cherbonnier, 1947 accepted as Staurocucumis ingolfi Clark & Deichmann, 1936 accepted as Abyssocucumis abyssorum (Théel, 1886)
• Abyssocucumis liouvillei (Vaney, 1914) Gutt, 1988
• Abyssocucumis tourqueti (Vaney, 1906)
• Actinia dolichurum Pallas, 1766 accepted as Pentacta dolichurum (Pallas, 1766)
• Actinia doliolum Pallas, 1766 accepted as Pentacta doliolum (Pallas, 1766)
• Actinocucumis chinensis Liao & Pawson, 2001
• Actinocucumis difficilis Bell, 1884
• Actinocucumis donnani Pearson, 1903
• Actinocucumis longipedes Clark, 1938
• Actinocucumis typica Ludwig, 1875
• Afrocucumis africana (Semper, 1867)
• Afrocucumis ovulum (Selenka, 1867)
• Afrocucumis stracki Massin, 1996
• Allothyone longicauda (Östergren, 1898)
• Allothyone mexicana (Deichmann, 1946)
• Allothyone mucronata (Sluiter, 1901)
• Allothyone multipes (Augustin, 1908)
• Allothyone spadix (Sluiter, 1901)
• Amphicyclus japonicus Bell, 1884
• Amphicyclus mortenseni Heding & Panning, 1954
• Amphicyclus mortensi Heding & Panning, 1954 accepted as Amphicyclus mortenseni Heding & Panning, 1954
• Amphicyclus thomsoni (Hutton, 1878)
• Anaperus carolinus Troschel, 1846 accepted as Sclerodactyla briareus (Lesueur, 1824)
• Anaperus cigaro Troschel, 1846 accepted as Ekmania barthii (Troschel, 1846)
• Anaperus fusus Troschel, 1846 accepted as Thyone fusus (O.F. Müller, 1776)
• Anaperus peruanus Troschel, 1846 accepted as Anaperus peruvianus (Lesson, 1830)
• Anaperus peruvianus (Lesson, 1830)
• Anaperus unisemita Stimpson, 1851 accepted as Stereoderma unisemita (Stimpson, 1851)
• Anthochirus loui Chang, 1948
• Apentamera lepra Deichmann, 1941
• Apseudocnus albus Levin, 2006
• Apsolidium alvei O'Loughlin & O'Hara, 1992
• Apsolidium densum O'Loughlin & O'Hara, 1992
• Apsolidium falconerae O'Loughlin, 2007
• Apsolidium handrecki O'Loughlin & O'Hara, 1992
• Aslia forbesi (Bell, 1886)
• Aslia lefevrii (Barrois, 1882)
• Aslia punctata (Ludwig, 1875)
• Aslia pygmaea (Théel, 1886)
• Aslia sanctijohannis (Bell, 1887)
• Aslia spyridophora (H.L. Clark, 1923)
• Athyone exila Cherbonnier, 1988
• Athyone glasselli (Deichmann, 1936)
• Athyone maculisparsa Cherbonnier, 1988
• Athyone transitoria Cherbonnier
• Athyonidium deichmannae Domantay, 1961
• Australocnus calcareus (Dendy, 1896)
• Australocnus occiduus (O'Loughlin & O'Hara, 1992)
• Benthophyllophorus conchilegum (Pourtalès, 1868)
• Botryodactyla affinis Ayres, 1851 accepted as Cucumaria frondosa (Gunnerus, 1767)
• Botryodactyla grandis Ayres, 1851 accepted as Cucumaria frondosa (Gunnerus, 1767)
• Caespitugo citriformis Gutt, 1990
• Caespitugo diversipes Gutt, 1990
• Cercodemas anceps Selenka, 1867
• Ceto cuvieria (Cuvier, 1817)
• Cladodactyla albida Brandt, 1835 accepted as Pentamera populifera (Stimpson, 1864)
• Cladodactyla brunspicula Thandar, 2008
• Cladodactyla crocea (Lesson, 1830) Panning, 1949
• Cladodactyla lessonii Brandt, 1835 accepted as Cladodactyla crocea (Lesson, 1830) Panning, 1949
• Cladodactyla miniata Brandt, 1835 accepted as Cucumaria miniata (Brandt, 1835)
• Cladodactyla monodi Cherbonnier, 1950
• Cladodactyla nigricans Brandt, 1835 accepted as Cucumaria piperata (Stimpson, 1864)
• Cladodactyla planci Brandt, 1835 accepted as Ocnus planci (Brandt, 1835)
• Cladodactyla senegalensis Panning, 1940
• Cladodactyla syracusana Grube, 1840 accepted as Ocnus syracusanus (Grube, 1840) Panning, 1949
• Cladolabes aciculus (Semper, 1867)
• Cladolabes bifurcatus (Deichmann, 1944)
• Cladolabes crassus (H.L. Clark, 1938)
• Cladolabes hamatus (Sluiter, 1914)
• Cladolabes limaconctos Brandt, 1835 accepted as Cladolabes limaconotus (Brandt, 1835)
• Cladolabes limaconotus (Brandt, 1835)
• Cladolabes limaconutus Brandt, 1835 accepted as Cladolabes limaconotus (Brandt, 1835)
• Cladolabes perspicillum (Selenka, 1867)
• Cladolabes pichoni Cherbonnier, 1988
• Cladolabes roxasi (Domantay, 1934)
• Cladolabes schmeltzii (Ludwig, 1875)
• Cladolella virgo Heding & Panning, 1954
• Clarkiella deichmannae O'Loughlin, 2009
• Clarkiella discoveryi Heding in Heding & Panning, 1954
• Colochirus anceps Semper, 1867 accepted as Cercodemas anceps Selenka, 1867
• Colochirus andersoni Lampert, 1885
• Colochirus armatus Marenzeller von, 1881
• Colochirus australis Ludwig, 1875
• Colochirus axiologus Clark, 1914
• Colochirus calcarea Dendy, 1897 accepted as Australocnus calcareus (Dendy, 1896)
• Colochirus challengeri Théel, 1886
• Colochirus coeruleus Semper, 1867
• Colochirus colloradiatus Haacke, 1880
• Colochirus crassus Ekman, 1918
• Colochirus cucumis Semper, 1867
• Colochirus cylindricus Semper, 1867
• Colochirus dispar Lampert, 1889
• Colochirus gazellae Lampert, 1889
• Colochirus gemmatus Pourtalès, 1851 accepted as Thyonella gemmata Pourtalès, 1851
• Colochirus gravieri Vaney, 1905 accepted as Plesiocolochirus dispar (Lampert, 1889)
• Colochirus guinensis Heding, 1943 accepted as Pentacta guinensis (Heding, 1943)
• Colochirus inornatus Marenzeller von, 1881 accepted as Plesiocolochirus inornatus (Marenzeller von, 1881)
• Colochirus jagorii Semper, 1867 accepted as Colochirus quadrangularis Troschel, 1846