Amphiporidae Oersted, 1844 (basis of record)
Amphiporus Ehrenberg, 1831 (basis of record)
Amphiporus angulatus (Müller, 1774) (basis of record)
Amphiporus bicolor Bürger, 1895 (basis of record)
Amphiporus dissimulans Riches, 1893 (basis of record)
Amphiporus groenlandicus Ørsted, 1843 (basis of record)
Amphiporus lactifloreus (Johnston, 1828) (basis of record)
Amphiporus murmanicum Ushakov, 1928 (basis of record)
Amphiporus superbus (Stimpson, 1854) (basis of record)
Baseodiscus Diesing, 1850 (basis of record)
Bdellonemertea accepted as Malacobdellidae Blanchard, 1847 (basis of record)
Bdellonemertini accepted as Malacobdellidae Blanchard, 1847 (basis of record)
Carinina Hubrecht, 1885 (basis of record)
Carinina atavia (Bergendal, 1902) (basis of record)
Carinina wijnhoffae Kulikova, 1984 (basis of record)
Carinoma Oudemans, 1885 (basis of record)
Carinomidae Bergendal, 1900 (basis of record)
Cephalothricidae accepted as Cephalotrichidae McIntosh, 1873-1874 (basis of record)
Cephalothrix Örsted, 1843 (basis of record)
Cephalothrix linearis (Rathke, 1799) (basis of record)
Cerebratulidae accepted as Lineidae McIntosh, 1873-1874 (basis of record)
Cerebratulus [Renier], [1804] (basis of record)
Cerebratulus barentsi Bürger, 1895 (basis of record)
Cerebratulus borealis (Diesing, 1862) (basis of record)
Cerebratulus brevis Ushakov, 1926 (basis of record)
Cerebratulus fuscus (McIntosh, 1874) (basis of record)
Cerebratulus marginatus [Renier], [1804] (basis of record)
Cerebratulus niveus (Punnett, 1903) (basis of record)
Cerebratulus rigidus Isler, 1900 (basis of record)
Cerebratulus zachsi Ushakov, 1926 (basis of record)
Cratenemertidae Friedrich, 1968 (basis of record)
Cryptonemertes Gibson, 1986 (basis of record)
Cryptonemertes actinophila (Bürger, 1904) (basis of record)
Cyanophthalma Norenburg, 1986 (basis of record)
Cyanophthalma cordiceps (Jensen, 1878) sensu Norenburg, 1986 (basis of record)
Dinonemertes Laidlaw, 1906 (basis of record)
Dinonemertes alberti (Joubin, 1906) (basis of record)
Dinonemertes arctica Korotkevich, 1977 (basis of record)
Dinonemertidae Brinkmann, 1917 (basis of record)
Emplectonema derjugini Ushakov, 1928 (basis of record)
Emplectonema gracile (Johnston, 1837) (basis of record)
Emplectonematidae Bürger, 1904 (basis of record)
Gurjanovella Uschakov, 1926 (basis of record)
Gurjanovella littoralis Ushakov, 1926 (basis of record)
Gurjanovella murmanicum Ushakov, 1926 (additional source)
Heteronemertea (basis of record)
Hoplonemertea (basis of record)
Hoplonemertini represented as Hoplonemertea (basis of record)
Lineidae McIntosh, 1873-1874 (basis of record)
Lineus Sowerby, 1806 (basis of record)
Lineus marisalbi Ushakov, 1926 (basis of record)
Lineus ruber (Müller, 1774) (basis of record)
Lineus sainthilairi Ushakov, 1926 (basis of record)
Lineus viridis (Müller, 1774) (basis of record)
Malacobdella Blainville, 1827 (basis of record)
Malacobdella grossa (Müller, 1776) (basis of record)
Malacobdellidae Blanchard, 1847 (basis of record)
Micrura Ehrenberg, 1828 (basis of record)
Micrura fasciolata Ehrenberg, 1828 (basis of record)
Micrura lithotamnii Ushakov, 1928 (basis of record)
Micrura varicolor Punnett, 1903 (basis of record)
Monostilifera (basis of record)
Nipponnemertes Friedrich, 1968 accepted as Nipponnemertes Gibson & Crandall, 1989 (basis of record)
Nipponnemertes pulcher (Johnston, 1837) accepted as Nipponnemertes pulchra (Johnston, 1837) (basis of record)
Oerstedia Quatrefages, 1846 (basis of record)
Oerstedia dorsalis (Abildgaard, 1806) (basis of record)
Palaeonemertea (basis of record)
Pelagica (basis of record)
Polystilifera (basis of record)
Reptantia (basis of record)
Tetrastemma Ehrenberg, 1831 (basis of record)
Tetrastemma arctica Ushakov, 1926 (basis of record)
Tetrastemma candidum (Müller, 1774) (basis of record)
Tetrastemma laminariae Ushakov, 1928 (basis of record)
Tetrastemma vermiculus (Quatrefages, 1846) (basis of record)
Tetrastemmatidae Hubrecht, 1879 (basis of record)
Tubulanidae Bürger, 1905 (basis of record)
Tubulanus Renier, 1804 (basis of record)
Tubulanus annulatus (Montagu, 1804) (basis of record)
Uniporidae Stiasny-Wijnhoff (basis of record)
Uniporus Brinkmann, 1914 (basis of record)
Uniporus borealis (Punnett, 1901) (basis of record)
Valenciniidae Hubrecht, 1879 (basis of record)