Mixolineidae

{{Short description|Family of ribbon worms}}

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Mixolineidae is a family of worms belonging to the order Heteronemertea.{{cite web |title=Mixolineidae |url=https://www.gbif.org/species/6295 |website=www.gbif.org |access-date=13 May 2021 |language=en}}

Genera:

• Aetheorhynchus Gibson, 1981
• Mixolineus Müller & Scripcariu, 1971