Amphiporidae Örsted, 1843 (basis of record)
Amphiporus Ehrenberg, 1831 (basis of record)
Armaueriidae Brinkmann, 1917 (basis of record)
Balaenanemertidae (basis of record)
Baseodiscus Diesing, 1850 (basis of record)
Buergeriellidae Brinkmann, 1917 (basis of record)
Cerebratulidae accepted as
Lineidae McIntosh, 1874 (basis of record)
Cerebratulus [Renier], [1804] (basis of record)
Chuniellidae Brinkmann, 1917 (basis of record)
Crassonemertes Brinkmann, 1917 (basis of record)
Crassonemertes robusta Brinkmann, 1917 (basis of record)
Cratenemertidae Friedrich, 1968 (basis of record)
Dinonemertes Laidlaw, 1906 (basis of record)
Dinonemertes alberti (Joubin, 1906) (basis of record)
Dinonemertidae Brinkmann, 1917 (basis of record)
Emplectonematidae Bürger, 1904 (basis of record)
Heteronemertea (basis of record)
Hoplonemertea (basis of record)
Lineidae McIntosh, 1874 (basis of record)
Lineus Sowerby, 1805 (basis of record)
Micrura Ehrenberg, 1828 (basis of record)
Micrura pardalis Haddon, 1886 (basis of record)
Monostilifera (basis of record)
Nectonemertes Verrill, 1892 (basis of record)
Nectonemertes mirabilis Verrill, 1892 (basis of record)
Nectonemertidae Verrill, 1892 (basis of record)
Palaeonemertea (basis of record)
Pelagica (basis of record)
Pelagonemertidae (basis of record)
Phallonemertes Brinkmann, 1917 (basis of record)
Phallonemertes murrayi (Brinkmann, 1912) (basis of record)
Phallonemertidae Brinkmann, 1917 (basis of record)
Planktonemertidae Brinkmann, 1917 (basis of record)
Plotonemertes Brinkmann, 1917 (basis of record)
Plotonemertes adhaerens Brinkmann, 1917 (basis of record)
Polystilifera (basis of record)
Protopelagonemertes Brinkmann, 1917 (basis of record)
Protopelagonemertes hubrechti (Brinkmann, 1917) (basis of record)
Protopelagonemertidae (basis of record)
Tetrastemma Ehrenberg, 1831 (basis of record)
Tetrastemmatidae Hubrecht, 1879 (basis of record)
Tubulanidae Bürger, 1905 (basis of record)
Tubulanus [Renier], [1804] (basis of record)
Tubulanus polymorphus [Renier], [1804] (basis of record)
Valenciniidae Hubrecht, 1879 (basis of record)
Authority
Also mentioned as McIntosh, 1873/74 [details]
Ecology
in mantle cavity of bivalve molluscs [details]
Synonymy
Drepanophorus crassus nisidensis (partim) = Paradrepanophorus crassus [details]
Synonymy
Prostoma stigmatum (partim) = Tetrastemma stimpsoni
Tetrastemma stigmatum sensu Kulikova, 1988 = Tetrastemma ... [details]
Taxonomy
probably endoparasitic in echiuroids [details]