Sandcastle worm
- kingdom: Animalia
- phylum: Annelida
- class: Polychaeta
- order: Sabellida
- family: Sabellariidae
- genus: Phragmatopoma
- species: Phragmatopoma californica
Dana Point- Isla Vista
- Malibu
California
United States
Sandcastle worm Dana Point Isla Vista Malibu