Aetheolineus Senz, 1993 (additional source)
Aetheolineus pulcherrimus Senz, 1993 (additional source)
Akrostomum Grube, 1840 accepted as Valdivianemertes Stiasny-Wijnhoff, 1923 (basis of record)
Albanemertes rovinjensis Senz, 1993 (additional source)
Amorphonemertes Cantell, 1998 (additional source)
Amorphonemertes kubergensis Cantell, 1998 (additional source)
Amphiporidae Örsted, 1843 (additional source)
Amphiporus Ehrenberg, 1831 (additional source)
Amphiporus adriaticus (Ehrenberg, 1828) (additional source)
Amphiporus allucens Bürger, 1895 (additional source)
Amphiporus angulatus (Müller, 1774) (additional source)
Amphiporus atypicus Friedrich, 1935 (additional source)
Amphiporus bicolor Bürger, 1895 (additional source)
Amphiporus binocellatus Senz, 1993 (additional source)
Amphiporus bioculatus sensu Verrill, 1892 (additional source)
Amphiporus canescens (Leuckart, 1849) (additional source)
Amphiporus carinelloides Bürger, 1895 (additional source)
Amphiporus dissimulans Riches, 1893 (additional source)
Amphiporus dubius Hubrecht, 1879 (additional source)
Amphiporus elongatus Stephenson, 1911 accepted as Psammamphiporus elongatus (Stephenson, 1911) (source of synonymy)
Amphiporus fabricii Levinsen, 1879 (additional source)
Amphiporus flavens Monastero, 1930 (additional source)
Amphiporus giardinae Monastero, 1930 (additional source)
Amphiporus glandulosus Bürger, 1895 (additional source)
Amphiporus groenlandicus Örsted, 1843 (additional source)
Amphiporus grubei (Diesing, 1850) (additional source)
Amphiporus julii Giard, 1890 (additional source)
Amphiporus korschelti Friedrich, 1939 (additional source)
Amphiporus lactifloreus (Johnston, 1828) (additional source)
Amphiporus langiaegeminus Bürger, 1895 (additional source)
Amphiporus marmoratus Hubrecht, 1879 (additional source)
Amphiporus martyi Oxner, 1907 (additional source)
Amphiporus multioculatus (Kölliker, 1845) (additional source)
Amphiporus murmanicum Ushakov, 1928 (additional source)
Amphiporus nigrostriatus Timofeev, 1911 (additional source)
Amphiporus oligommatus Bürger, 1895 (additional source)
Amphiporus pellucidus (Örsted, 1843) (additional source)
Amphiporus polyommatus Bürger, 1895 (additional source)
Amphiporus pugnax Hubrecht, 1879 (additional source)
Amphiporus reticulatus Bürger, 1895 (additional source)
Amphiporus roseus (Müller, 1774) (additional source)
Amphiporus rufostriatus Bergendal, 1903 (additional source)
Amphiporus sipunculus Saint-Loup, 1886 (additional source)
Amphiporus superbus (Girard in Stimpson, 1854) (additional source)
Amphiporus thompsoni Punnett, 1901 (additional source)
Amphiporus validissimus Bürger, 1895 (additional source)
Amphiporus virgatus Bürger, 1895 (additional source)
Amphiporus vitae Monastero, 1930 (additional source)
Annulonemertes minusculus Berg, 1985 accepted as Annulonemertes minuscula Berg, 1985 (additional source)
Arctonemertes thori Friedrich, 1957 (additional source)
Arenonemertes Friedrich, 1933 (additional source)
Arenonemertes arenicola Hylbom, 1991 accepted as Arenonemertes arenicolus Hylbom, 1991 (additional source)
Arenonemertes arenicolus Hylbom, 1991 (basis of record)
Arenonemertes microps Friedrich, 1933 (additional source)
Arenonemertes minuta Friedrich, 1949 accepted as Arenonemertes minutus Friedrich, 1949 (additional source)
Arenonemertes minutus Friedrich, 1949 (basis of record)
Armaueria Brinkmann, 1917 (additional source)
Armaueria rubra Brinkmann, 1917 (additional source)
Armaueriidae Brinkmann, 1917 (additional source)
Astemma Örsted, 1843 accepted as Cephalothrix Örsted, 1843 (basis of record)
Astemma filiformis (Johnston, 1828) accepted as Cephalothrix filiformis (Johnston, 1828) (source of synonymy)
Astemma longum Örsted, 1843 accepted as Cephalothrix linearis (Rathke, 1799) (source of synonymy)
Astemma rufifrons (Johnston, 1837) accepted as Cephalothrix rufifrons (Johnston, 1837) (source of synonymy)
Atrionemertes Senz, 1993 (additional source)
Atrionemertes greenlandica Senz, 1993 (additional source)
Avenardia Giard, 1878 accepted as Cerebratulus [Renier], [1804] (basis of record)
Avenardia alileuti Giard, 1878 accepted as Cerebratulus marginatus [Renier], [1804] (source of synonymy)
Avenardia priei Giard, 1878 accepted as Cerebratulus marginatus [Renier], [1804] (source of synonymy)
Balaenanemertes Bürger, 1909 (additional source)
Balaenanemertes chavesi (Joubin, 1906) (additional source)
Balaenanemertes grandis Brinkmann, 1917 (additional source)
Balaenanemertes hjorti Brinkmann, 1917 (additional source)
Balaenanemertes lata Brinkmann, 1917 (additional source)
Balaenanemertes lobata (Joubin, 1906) (additional source)
Balaenanemertes musculocaudata Brinkmann, 1917 (additional source)
Baseodiscus Diesing, 1850 (additional source)
Baseodiscus abyssorum (Joubin, 1902) (additional source)
Baseodiscus delineatus (Delle Chiaje, 1822) (additional source)
Baseodiscus filholi (Joubin, 1902) (additional source)
Baseodiscus minor (Hubrecht, 1879) (additional source)
Bdellonemertea accepted as Malacobdellidae Blanchard, 1847 (additional source)
Bdellonemertini accepted as Malacobdellidae Blanchard, 1847 (additional source)
Borlasia Oken, 1815 accepted as Lineus Sowerby, 1805 (basis of record)
Borlasia annellata accepted as Cerebratulus annellatus (Leuckart, 1849) (source of synonymy)
Borlasia cephalothrix Diesing, 1850 accepted as Cephalothrix linearis (Rathke, 1799) (source of synonymy)
Borlasia filiformis (Johnston, 1828) accepted as Procephalothrix filiformis (Johnston, 1828) accepted as Cephalothrix filiformis (Johnston, 1828) (source of synonymy)
Borlasia linearis (Rathke, 1799) accepted as Cephalothrix linearis (Rathke, 1799) (source of synonymy)
Borlasia longa (Örsted, 1843) accepted as Cephalothrix linearis (Rathke, 1799) (source of synonymy)
Borlasia rufifrons Johnston, 1837 accepted as Cephalothrix rufifrons (Johnston, 1837) (source of synonymy)
Brinkmannia Stiasny-Wijnhoff, 1926 (additional source)
Brinkmannia mediterranea Stiasny-Wijnhoff, 1926 (additional source)
Brinkmanniidae Stiasny-Wijnhoff (additional source)
Buergeriella Brinkmann, 1917 (additional source)
Buergeriella notabilis Brinkmann, 1917 (additional source)
Buergeriellidae Brinkmann, 1917 (additional source)
Callinera Bergendal, 1900 (additional source)
Callinera buergeri Bergendal, 1900 (additional source)
Callinera buergeri f. grandis accepted as Callinera grandis Bergendal, 1903 (source of synonymy)
Callinera grandis Bergendal, 1903 (additional source)
Callinera monensis Rogers, Gibson & Thorpe, 1992 (additional source)

 Spelling

 for Callinera buergeri Bergendal, 1900

Callinera bürgeri [details]

 Spelling

 for Cephalothrix Örsted, 1843

Often incorrectly spelled as Cephalotrix. [details]

 Spelling

 for Cerebratulus eisigii Hubrecht, 1880

Cerebratulus eisigi [details]

 Spelling

 for Cerebratulus simulans Bürger, 1892

Incorrect spelling Cerebratulus simulaus [details]

 Spelling

 for Procephalothrix Wijnhoff, 1913

Often incorrectly spelled as Procephalotrix [details]

 Spelling

 for Tubulanus banyulensis (Joubin, 1890)

Tubulanus baniulensis [details]

 Synonymy

 for Cephalothrix linearis (Rathke, 1799)

Cephalothrix linearis = Cephalothrix linearis filiformis (partim) [details]

 Synonymy

 for Cephalothrix rufifrons (Johnston, 1837)

Cephalothrix rufifrons = Cephalothrix bioculata = Cephalothrix filiformis (partim) [details]

 Synonymy

 for Cerebratulus joubini Bürger, 1895

Cerebratulus joubini = Cerebratulus acutus (partim) [details]

 Synonymy

 for Cerebratulus marginatus [Renier], [1804]

Cerebratulus marginatus = ?Cerebratulus angulatus (partim) = Cerebratulus bilineatus (partim) = Cerebratulus ... [details]

 Synonymy

 for Tubulanus annulatus (Montagu, 1804)

Tubulanus annulatus = Carinella annulata (partim) = ?Gordius anguis (partim) = Meckelia annulata (partim) [details]

 Synonymy

 for Tubulanus groenlandicus (Bergendal, 1902)

Tubulanus groenlandicus = Carinella linearis (partim) = Carinella grönlandica [details]

 Synonymy

 for Tubulanus superbus (Kölliker, 1845)

Tubulanus superbus = Carinella annulata (partim) [details]

 Taxonomy

 for Avenardia alileuti Giard, 1878

Genus uncertain. [details]

 Taxonomy

 for Carinella linearis McIntosh, 1874

not Carinella linearis sensu Bergendal, 1901 [details]

 Taxonomy

 for Cephalothrix filum (Quatrefages, 1846)

Polia filum, Wijnhoff (1913) rejected Bürgers (1904a) synonymy with Cephalothrix rufifrons and included it among a ... [details]

 Taxonomy

 for Cephalothrix galatheae Dieck, 1874

Reported as a new species, Cephalothrix galatheae, found living on the galatheid crab Galathea strigosa. [details]

 Taxonomy

 for Cephalothrix germanica Gerner, 1969

Reported as a new species, listed as Cephalotrix germanica by Senz (1993a). [details]

 Taxonomy

 for Cephalothrix lactea Senz, 1993

reported as a new species, Cephalotrix lactea, the spelling of the generic name was corrected by Gibson (1995) [details]

 Taxonomy

 for Cerebratulus acutus Nardo, 1847

not Cerebratulus acutus sensu Bürger, 1892 [details]

 Taxonomy

 for Cerebratulus joubini Bürger, 1895

Not Cerebratulus acutus sensu Nardo, 1847 [details]

 Taxonomy

 for Meckelia lizziae Girard, 1853

genus uncertain [details]

 Taxonomy

 for Meckelia pocohontas Girard, 1853

Genus uncertain. [details]

 Taxonomy

 for Tubulanus nothus (Bürger, 1892)

not Tubulanus nothus sensu Wheeler, 1934 [details]