Harmothoe crassicirrata
- kingdom: Animalia
- phylum: Annelida
- class: Polychaeta
- order: Phyllodocida
- family: Polynoidae
- genus: Harmothoe
- species: Harmothoe crassicirrata
Belvedere- Marin City
- Sausalito
- Tiburon
California
United States