1. Genus Aetheolineus Senz, 1993
2. Genus Amorphonemertes Cantell, 1998
3. Genus Cerebratulus [Renier], [1804]
4. Genus Diplopleura Stimpson, 1857
5. Genus Euborlasia Vaillant, 1890
6. Genus Evelineus Corrêa, 1954
7. Genus Leucocephalonemertes Cantell, 1996
8. Genus Lineopsella Friedrich, 1970
9. Genus Lineus Sowerby, 1806
10. Genus Micrura Ehrenberg, 1828
11. Genus Micrurides
12. Genus Micrurinella Friedrich, 1960
13. Genus Nemertoscolex Greeff, 1879
14. Genus Notospermus Huschke, 1829
15. Genus Oxypolia Punnett, 1901
16. Genus Paracerebratulus Senz, 1997
17. Genus Pontolineus
18. Genus Pussylineus Corrêa, 1956
19. Genus Ramphogordius Rathke, 1843
20. Genus Riseriellus
21. Genus Siphonenteron Meneghini in Renier, 1847
22. Genus Tarrhomyos Riser, 1993
23. Genus Tenuilineus Riser, 1993
24. Genus Utolineides Senz, 1997
25. Genus Zygeupolia Thompson, 1900
26. Genus Avenardia Giard, 1878 accepted as Cerebratulus [Renier], [1804] (synonym)
27. Genus Borlasia Oken, 1815 accepted as Lineus Sowerby, 1806 (unaccepted > junior subjective synonym, Genus was established for B angliae Oken, 1815 – now syn. with Lineus longissimus but the generic name has subsequently been used for species since transferred to several other genera. No valid Borlasia-species exist today.)
28. Genus Cnidon Müller, 1854 accepted as Cerebratulus [Renier], [1804] (Pre-occupied name (Burger, 1904))
29. Genus Micrella Punnett, 1901 accepted as Zygeupolia Thompson, 1900 (Synonym for Zygeupolia Thompson, 1900 and junior homonym of Micrella Motschulsky, 1868, a beetle)
30. Genus Myoisophagos Riser, 1994 accepted as Ramphogordius Rathke, 1843 (junior synonym)
31. Genus Myoisophagus Riser, 1994 accepted as Ramphogordius Rathke, 1843 (lapsus calami)
32. Genus Ophiocephalus Blainville, 1828 accepted as Lineus Sowerby, 1806 (synonym)

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