Plumed worm
- kingdom: Animalia
- phylum: Annelida
- class: Polychaeta
- order: Eunicida
- family: Onuphidae
- genus: Diopatra
- species: Diopatra cuprea
Dangriga
Stann Creek
Belize
Gazi
Kwale
Kenya
New Haven- West Haven
Connecticut- Feather Sound
Florida- Cameron
Louisiana- Provincetown
Massachusetts- Beaufort
North Carolina
United States