• Planktonema accepted as Planctonema Schmidle, 1903
• Planktonemertes Woodworth, 1899
• Planktonemertes adhaerens accepted as Plotonemertes adhaerens Brinkmann, 1917
• Planktonemertes agassizi
• Planktonemertes agassizii Woodworth, 1899
• Planktonemertes alberti accepted as Dinonemertes alberti (Joubin, 1906)
• Planktonemertes aurantiaca accepted as Neuronemertes aurantiaca Coe, 1926
• Planktonemertes aureola accepted as Tubonemertes aureola Coe, 1954
• Planktonemertes beebei accepted as Protopelagonemertes beebei Coe, 1936
• Planktonemertes bürgeri accepted as Chuniella agassizii (Bürger, 1909)
• Planktonemertes coei accepted as Plotonemertes aurantiaca Coe, 1936
• Planktonemertes curvicephala Korotkevich, 1964
• Planktonemertes drygalskii accepted as Paradinonemertes drygalskii Brinkmann, 1915
• Planktonemertes elongata accepted as Chuniella elongata (Joubin, 1906)
• Planktonemertes grimaldii accepted as Dinonemertes grimaldii (Joubin, 1906)
• Planktonemertes hardyi accepted as Calonemertes hardyi (Wheeler, 1934)
• Planktonemertes hubrechti accepted as Protopelagonemertes hubrechti (Brinkmann, 1917)
• Planktonemertes levinseni accepted as Pendonemertes levinseni Brinkmann, 1917
• Planktonemertes macrostomum accepted as Paradinonemertes macrostomum Coe, 1954
• Planktonemertes murrayi accepted as Phallonemertes murrayi (Brinkmann, 1912)
• Planktonemertes obesa accepted as Pachynemertes obesa Coe, 1936
• Planktonemertes opaca accepted as Chunianna opaca Coe, 1954
• Planktonemertes pacifica accepted as Chunianna pacifica Coe, 1954
• Planktonemertes rhomboidalis accepted as Crassonemertes rhomboidalis (Joubin, 1906)
• Planktonemertes robusta accepted as Crassonemertes robusta Brinkmann, 1917
• Planktonemertes rubella accepted as Plenanemertes rubella Coe, 1954
• Planktonemertes sargassicola accepted as Mononemertes sargassicola (Joubin, 1906)
• Planktonemertes scarlata accepted as Mononemertes scarlata Coe, 1945
• Planktonemertes vanhoeffeni Brinkmann, 1915
• Planktonemertes vanhöffeni accepted as Planktonemertes vanhoeffeni Brinkmann, 1915
• Planktonemertes wheeleri accepted as Tubonemertes wheeleri (Coe, 1936)
• Planktonemertes woodworthii accepted as Mergonemertes woodworthii (Bürger, 1909)
• Planktonemertes zonata accepted as Parabalaenanemertes zonata (Joubin, 1906)
• Planktonemertidae
• Planktonetta Borgert, 1902
• Planktoniella F. Schütt, 1892
• Planktoniella blanda (A. Schmidt) E.E. Syvertsen & G.R. Hasle, 1993
• Planktoniella florea E.J.F. Wood, L.H. Crosby & V. Cassie, 1959
• Planktoniella sol (C.G. Wallich) Schütt, 1892
• Planktoniella wolterecki Schimper, 1905 accepted as Planktoniella sol (C.G. Wallich) Schütt, 1892