Nemertea Schultze 1851
index of genera
- Amphiporus Ehrenberg 1831
- Baseodiscus Diesing 1850
- Callinera Bergendal 1900
- Carcinonemertes Coe 1902
- Carinesta Punnett 1900
- Carinina Hubrecht 1885
- Carinoma Oudemans 1885
- Cephalomastax Iwata 1957
- Cephalothrix Örsted 1843
- Cerebratulus Renier 1804
- Dicelis rubra Stimpson 1857
- Dichilus obscurus Stimpson 1857
- Diopsonemertes Kajihara Gibson & Mawatari 2001
- Diplomma Stimpson 1857
- Diplopleura Stimpson 1857
- Emplectonema Stimpson 1857
- Euborlasia Vaillant 1890
- Evelineus Corrêa 1954
- Geonemertes Semper 1963
- Hinumanemertes Iwata 1970
- Hirohitonemertes Crandall et al. 2002
- Hubrechtella Bergendal 1902
- Iwatanemertes Gibson 1990
- Kameginemertes Iwata 1998
- Lineus Sowerby 1806
- Maculaura Hiebert & Maslakova 2015
- Malacobdella Blainville 1827
- Micrura Ehrenberg 1871
- Nectonemertes Verrill 1892
- Nemertellina Friedrich 1935
- Nemertopsis Bürger 1895
- Nipponnemertes Friedrich 1968
- Nipponomicrura Chernyshev 1995
- Notospermus Huschke 1829
- Oerstedia Quatrefages 1846
- Ototyphlonemertes Diesing 1863
- Paralineopsis Iwata 1993
- Paranemertes Coe 1901
- Pelagonemertes Moseley 1875
- Potamostoma Kajihara Gibson & Mawatari 2003
- Procephalothrix Wijnhoff 1913
- Prosadenoporus Bürger 1890
- Prostoma Duges 1828
- Quasitetrastemma Chernyshev 2004
- Sacconemertella Iwata 1970
- Sacconemertopsis Iwata 1970
- Sagaminemertes Friedrich 1968
- Statolitonemertes Korotkevich 1982
- Tetramys Iwata 1957
- Tetrastemma Ehrenberg 1831
- Tubulanus Renier 1804
- Uchidana Iwata 1967
- Zygonemertes Montgomery 1897