1. Genus Nectonemertes Verrill, 1892
   1. Species Nectonemertes acutilobata Korotkevich, 1964
   2. Species Nectonemertes japonica Foshay, 1912
   3. Species Nectonemertes minima Brinkmann, 1915
   4. Species Nectonemertes mirabilis Verrill, 1892
   5. Species Nectonemertes primitiva Brinkmann, 1917
   6. Species Nectonemertes tenuis Korotkevich, 1964
   7. Species Nectonemertes bürgeri accepted as Chuniella pelagica (Bürger, 1909) (synonym)
   8. Species Nectonemertes chavesi Joubin, 1906 accepted as Balaenanemertes chavesi (Joubin, 1906) (synonym)
   9. Species Nectonemertes compacta Korotkevich, 1964 accepted as Chuniella compacta Korotkevich, 1964
   10. Species Nectonemertes grimaldii accepted as Nectonemertes mirabilis Verrill, 1892 (synonym)
   11. Species Nectonemertes kempi accepted as Nectonemertes mirabilis Verrill, 1892 (synonym)
   12. Species Nectonemertes lanceolata accepted as Chuniella lanceolata Brinkmann, 1917 (synonym)
   13. Species Nectonemertes lobata Joubin, 1906 accepted as Balaenanemertes lobata (Joubin, 1906) (synonym)
   14. Species Nectonemertes maijor accepted as Nectonemertes major (Korotkevich, 1955) (synonym)
   15. Species Nectonemertes major (Korotkevich, 1955) accepted as Nectonemertes mirabilis Verrill, 1892 (Synonym)
   16. Species Nectonemertes mollis sensu Korotkevich, 1972 accepted as Alexandronemertes ductor Chernyshev, 1992 (Partial synonymy)
   17. Species Nectonemertes notabilis accepted as Buergeriella notabilis Brinkmann, 1917 (synonym)
   18. Species Nectonemertes pelagica Cravens & Heath, 1906 accepted as Nectonemertes mirabilis Verrill, 1892 (synonym)
   19. Species Nectonemertes pellucida accepted as Tononemertes pellucida Coe, 1954 (synonym)
   20. Species Nectonemertes tenella accepted as Chuniella tenella Coe, 1954 (synonym)
   21. Species Nectonemertes acanthocephala Korotkevich, 1955 (uncertain > taxon inquirendum)
2. Genus Hyalonemertes Verrill, 1892 accepted as Nectonemertes Verrill, 1892 (Synonym)
   1. Species Hyalonemertes atlantica Verrill, 1892 accepted as Nectonemertes mirabilis Verrill, 1892 (Synonym)

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