Spio setosa
- kingdom: Animalia
- phylum: Annelida
- class: Polychaeta
- order: Spionida
- family: Spionidae
- genus: Spio
- species: Spio setosa
Saint Andrews
New Brunswick
Canada
Branford- Branford Center
- Milford
- North Haven
- West Haven
Connecticut- Kittery Point
Maine- Gloucester
Massachusetts
United States