Polychaete worm
- kingdom: Animalia
- phylum: Annelida
- class: Polychaeta
- order: Spionida
- family: Spionidae
- genus: Prionospio
- species: Prionospio steenstrupi
Saint Andrews
New Brunswick
Canada
La Paz
Western Visayas
Philippines
Beaufort
North Carolina
United States