Polystilifera
{{Short description|Suborder of ribbon worms}}
{{Automatic taxobox
|image = Pelagonemertes rollestoni.png
|image_caption = Pelagonemertes rollestoni
|taxon = Polystilifera
|authority =
}}
Polystilifera is an suborder of worms belonging to the order Hoplonemertea.{{cite web |title=Polystilifera |url=https://www.gbif.org/species/5967464 |website=www.gbif.org |access-date=4 June 2021 |language=en}}
- Armaueriidae
- Balaenanemertidae
- Brinkmanniidae
- Buergeriellidae
- Chuniellidae
- Dinonemertidae
- Drepanobandidae
- Drepanogigantidae
- Drepanophorellidae
- Drepanophoridae
- Drepanophoringiidae
- Nectonemertidae
- Pachynemertidae
- Paradrepanophoridae
- Pelagonemertidae
- Phallonemertidae
- Planktonemertidae
- Protopelagonemertidae
- Siboganemertidae
- Uniporidae