Planktonemertidae

{{Short description|Family of ribbon worms}}

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Planktonemertidae is a family of worms belonging to the order Polystilifera.{{cite web |title=Planktonemertidae |url=https://www.gbif.org/species/2085 |website=www.gbif.org |access-date=15 June 2021 |language=en}}

Genera:

• Crassonemertes Brinkmann, 1917
• Mergonemertes Brinkmann, 1917
• Mononemertes Coe, 1926
• Neuronemertes Coe, 1926
• Planktonemertes Woodworth, 1899
• Plenanemertes Coe, 1954
• Tononemertes Coe, 1954