• Aetheolineus pulcherrimus Senz, 1993
• Amorphonemertes kubergensis Cantell, 1998
• Avenardia alileuti Giard, 1878 accepted as Cerebratulus marginatus [Renier], [1804]
• Avenardia priei Giard, 1878 accepted as Cerebratulus marginatus [Renier], [1804]
• Baseodiscus abyssorum (Joubin, 1902)
• Baseodiscus delineatus (Delle Chiaje, 1822)
• Baseodiscus filholi (Joubin, 1902)
• Baseodiscus minor (Hubrecht, 1879)
• Baseodiscus pellucidus (Kennel, 1891)
• Bilucernus grubei (Hubrecht, 1879)
• Borlasia annellata accepted as Cerebratulus annellatus (Leuckart, 1849)
• Borlasia cephalothrix Diesing, 1850 accepted as Cephalothrix linearis (Rathke, 1799)
• Borlasia filiformis (Johnston, 1828) accepted as Procephalothrix filiformis (Johnston, 1828) accepted as Cephalothrix filiformis (Johnston, 1828)
• Borlasia linearis (Rathke, 1799) accepted as Cephalothrix linearis (Rathke, 1799)
• Borlasia longa (Örsted, 1843) accepted as Cephalothrix linearis (Rathke, 1799)
• Borlasia rufifrons Johnston, 1837 accepted as Cephalothrix rufifrons (Johnston, 1837)
• Cerebratulus acteus accepted as Cerebratulus lacteus (Leidy, 1851)
• Cerebratulus acutus Nardo, 1847
• Cerebratulus aerugatus Bürger, 1892
• Cerebratulus alleni Wijnhoff, 1912
• Cerebratulus anguillula Bürger, 1892
• Cerebratulus angulosus Haddon, 1886 accepted as Cerebratulus marginatus [Renier], [1804]
• Cerebratulus annellatus (Leuckart, 1849)
• Cerebratulus aureolus Bürger, 1892
• Cerebratulus barentsi Bürger, 1895
• Cerebratulus bivittatus Ulyanina, 1870
• Cerebratulus borealis (Diesing, 1862) (uncertain > nomen dubium)
• Cerebratulus brevis Ushakov, 1926
• Cerebratulus cestoides Bürger, 1895
• Cerebratulus complanatus (Kölliker, 1845)
• Cerebratulus croceus Grube, 1864
• Cerebratulus depressus Quatrefages, 1846 (uncertain > nomen dubium)
• Cerebratulus eisigii Hubrecht, 1880
• Cerebratulus epsilon Joubin, 1902
• Cerebratulus erythrorochma Joubin, 1902
• Cerebratulus ferrugineus Bürger, 1892
• Cerebratulus fissuralis Friedrich, 1958
• Cerebratulus flavifrons Grube, 1864
• Cerebratulus fragilis (Goodsir, 1845) accepted as Cerebratulus marginatus [Renier], [1804]
• Cerebratulus fuscoides Bürger, 1892
• Cerebratulus fuscus (McIntosh, 1874)
• Cerebratulus gamma Joubin, 1902
• Cerebratulus grandis Jensen, 1878 accepted as Cerebratulus marginatus [Renier], [1804]
• Cerebratulus greenlandicus Punnett, 1901
• Cerebratulus hepaticus Hubrecht, 1879
• Cerebratulus ingens (Leidy, 1855) accepted as Cerebratulus lacteus (Leidy, 1851)
• Cerebratulus joubini Bürger, 1895
• Cerebratulus knerii (Diesing, 1850) accepted as Notospermus geniculatus (Delle Chiaje, 1822)
• Cerebratulus kowalewskii Zernov, 1913 (uncertain > nomen dubium)
• Cerebratulus lacteus (Leidy, 1851)
• Cerebratulus liguricus Blanchard, 1849
• Cerebratulus lividus Bürger, 1892
• Cerebratulus longifissus sensu Punnett, 1903 accepted as Heteronemertes longifissa (Hubrecht, 1887)
• Cerebratulus marginatus [Renier], [1804]
• Cerebratulus melanorhynchus Bürger, 1895
• Cerebratulus modestus Chapuis, 1886
• Cerebratulus niveus (Punnett, 1903)
• Cerebratulus norvegicus Punnett, 1903
• Cerebratulus notabilis Bürger, 1892
• Cerebratulus pantherinus Hubrecht, 1879
• Cerebratulus rigidus Isler, 1900
• Cerebratulus roseus (Delle Chiaje, 1841)
• Cerebratulus simulans Bürger, 1892
• Cerebratulus spraguei Girard, 1893 accepted as Cerebratulus marginatus [Renier], [1804]
• Cerebratulus urticans (Müller, 1854)
• Cerebratulus ventriporis Friedrich, 1958
• Cerebratulus ventrosulcatus Bürger, 1892
• Cerebratulus zachsi Ushakov, 1926 (uncertain > nomen dubium)
• Cnidon urticans accepted as Cerebratulus urticans (Müller, 1854)
• Diplopleura formosa (Hubrecht, 1879)
• Euborlasia elizabethae (McIntosh, 1873-1874)
• Euborlasia inmaculata (Bürger, 1892)
• Euborlasia obscura (Friedrich, 1958)
• Euborlasia thori Friedrich, 1958
• Evelineus mcintoshii (Langerhans, 1880)
• Heteronemertes longifissa (Hubrecht, 1887)
• Hubrechtella atypica Senz, 1992
• Hubrechtella combinata Senz, 1993
• Hubrechtella dubia Bergendal, 1902
• Hubrechtella globocystica Senz, 1993
• Hubrechtia desiderata (Kennel, 1891)
• Huilkalineus inexpectatus Senz, 1993
• Junoya acutifrons (Southern, 1913)
• Leucocephalonemertes aurantiaca (Grube, 1855)
• Lineopsella islandica (Friedrich, 1958)
• Lineopsella islandicus (Friedrich, 1958) accepted as Lineopsella islandica (Friedrich, 1958)
• Lineus acutifrons Southern, 1913 accepted as Junoya acutifrons (Southern, 1913)
• Lineus alienus Bürger, 1895
• Lineus annulatus accepted as Tubulanus annulatus (Montagu, 1804)
• Lineus bergendali Senz, 1996
• Lineus bilineatus (Renier, 1804) accepted as Siphonenteron bilineatum Renier in Menighini, 1847
• Lineus bivittatus accepted as Cerebratulus bivittatus Ulyanina, 1870
• Lineus cinereus Punnett, 1903
• Lineus coccinus Bürger, 1892
• Lineus dohrnii (Hubrecht, 1879)
• Lineus fischeri Senz, 1997
• Lineus frauenfeldi Senz, 1997
• Lineus gesserensis (O.F. Müller, 1774)
• Lineus gilbus Bürger, 1892
• Lineus grubei (Hubrecht, 1879) accepted as Bilucernus grubei (Hubrecht, 1879)