Amphiporidae Örsted, 1843 (additional source)
Amphiporus Ehrenberg, 1831 (additional source)
Baseodiscus Diesing, 1850 (additional source)
Baseodiscus curtus (Hubrecht, 1879) accepted as Baseodiscus delineatus (Delle Chiaje, 1822) (basis of record)
Baseodiscus delineatus (Delle Chiaje, 1822) (additional source)
Callinera Bergendal, 1900 (additional source)
Callinera bergendali Gibson & Sundberg, 1999 (basis of record)
Carcinonemertes Coe, 1902 (additional source)
Carcinonemertidae Sumner, Osburn & Cole, 1913 (additional source)
Carinesta Punnett, 1900 (additional source)
Carinesta tubulanoides Gibson, 1990 (basis of record)
Carinina sinensis Gibson & Sundberg, 1999 (basis of record)
Cephalothricidae accepted as Cephalotrichidae McIntosh, 1874 (additional source)
Cephalothrix Örsted, 1843 (additional source)
Cephalothrix spiralis Coe, 1930 (source of synonymy)
Cephalotrichella Wijnhoff, 1913 (additional source)
Cephalotrichella alba Gibson & Sundberg, 1992 (basis of record)
Cerebratulina Gibson, 1990 (basis of record)
Cerebratulina natans (Punnett, 1900) (basis of record)
Cerebratulus [Renier], [1804] (additional source)
Cerebratulus albulus (Stimpson, 1857) (basis of record)
Cerebratulus communis Takakura, 1898 (basis of record)
Cerebratulus darvelli Gibson, 1990 (basis of record)
Cerebratulus niger (Stimpson, 1855) accepted as Dushia nigra (Stimpson, 1855) (source of synonymy)
Cerebratulus nigrus (Stimpson, 1855) accepted as Dushia nigra (Stimpson, 1855) (basis of record)
Cerebratulus paludicolus Stimpson, 1857 (basis of record)
Cerebratulus rubellus (Stimpson, 1855) (basis of record)
Cerebratulus sinensis (Stimpson, 1855) (basis of record)
Cratenemertidae Friedrich, 1968 (additional source)
Emplectonema gracile (Johnston, 1837) (additional source)
Emplectonema mitsuii Yamaoka, 1947 (basis of record)
Emplectonematidae Bürger, 1904 (additional source)
Eonemertes Gibson, 1990 (basis of record)
Eonemertes macrophthalma Gibson, 1990 (basis of record)
Eonemertes xiamenensis Sun, Dong & Chen, 1998 (basis of record)
Hubrechtella alba Gibson, 1997 (basis of record)
Hubrechtella sinimarina Gibson & Sundberg, 1999 (basis of record)
Lineidae McIntosh, 1874 (additional source)
Lineopselloides Gibson, 1990 (basis of record)
Lineopselloides albilineus Gibson, 1990 (basis of record)
Lineus Sowerby, 1805 (additional source)
Lineus bilineatus (Renier, 1804) accepted as Siphonenteron bilineatum Renier in Menighini, 1847 (additional source)
Lineus binigrilinearis Gibson, 1990 (basis of record)
Lineus fuscoviridis Takakura, 1898 accepted as Notospermus fuscoviridis (Takakura, 1898) (basis of record)
Lineus sanguineus (Rathke, 1799) (source of synonymy)
Micconemertes Gibson, 1997 (basis of record)
Micconemertes orientalis Gibson, 1997 (basis of record)
Micrura Ehrenberg, 1828 (additional source)
Micrura achrostocephala Gibson, 1997 (basis of record)
Micrura formosana Yamaoka, 1939 accepted as Dushia nigra (Stimpson, 1855) (basis of record)
Monostilifera (additional source)
Nemertea incertae sedis (additional source)
Nemertopsis tetraclitophila Gibson, 1990 (basis of record)
Nipponnemertes Friedrich, 1968 accepted as Nipponnemertes Gibson & Crandall, 1989 (additional source)
Notospermus Huschke, 1830 (additional source)
Notospermus geniculatus (Delle Chiaje, 1822) (additional source)
Pantinonemertes Moore & Gibson, 1981 accepted as Prosadenoporus Bürger, 1890 (basis of record)
Pantinonemertes daguilarensis Gibson & Sundberg, 1992 accepted as Prosadenoporus daguilarensis (Gibson & Sundberg, 1992) (basis of record)
Pantinonemertes fujianensis Sun, 2001 accepted as Prosadenoporus fujianensis (Sun, 2001) (basis of record)
Pantinonemertes mortoni Gibson, 1990 accepted as Prosadenoporus mortoni (Gibson, 1990) (basis of record)
Parahubrechtia Gibson & Sundberg, 1999 (basis of record)
Parahubrechtia jillae Gibson & Sundberg, 1999 (basis of record)
Paramicrura Gibson & Sundberg, 1992 (basis of record)
Paramicrura borborophila Gibson & Sundberg, 1992 (basis of record)
Paranemertes katoi Yamaoka, 1947 (basis of record)
Paranemertes sinensis Sun, 1995 (basis of record)
Prosadenoporus Bürger, 1890 (basis of record)
Prosorhochmidae Bürger, 1895 (additional source)
Psammamphiporus microocelli Sun, 1995 accepted as Tetrastemma microocelli (Sun, 1995) (basis of record)
Quasilineus Gibson, 1981 (basis of record)
Quasilineus sinicus Gibson, 1990 (basis of record)
Siphonenteron bilineatum Renier in Menighini, 1847 (source of synonymy)
Tetrastemma Ehrenberg, 1831 (additional source)
Tetrastemma pimaculatum Chernyshev, 1998 (basis of record)
Tetrastemmatidae Hubrecht, 1879 (additional source)
Tubulanidae Bürger, 1904 (1874) (additional source)
Tubulanus [Renier], [1804] (additional source)
Tubulanus hylbomi Gibson & Sundberg, 1999 (basis of record)
Tubulanus longivasculus Gibson & Sundberg, 1999 (basis of record)
Tubulanus punctatus (Takakura, 1898) (basis of record)
Utolineus Gibson, 1990 (basis of record)
Utolineus uberis Gibson, 1990 (basis of record)
Zygonemertes glandulosa Yamaoka, 1940 (basis of record)