Checkered periwinkle
- kingdom: Animalia
- phylum: Mollusca
- class: Gastropoda
- order: Littorinimorpha
- family: Littorinidae
- genus: Littorina
- species: Littorina scutulata
Powell River- Prince Rupert
- Victoria
British Columbia
Canada
Ensenada
Baja California
Mexico
Alameda- Belvedere
- Cayucos
- Crescent City
- Cutten
- Dana Point
- East Palo Alto
- Eureka
- Isla Vista
- Laguna Beach
- Lomita
- Long Beach
- Los Angeles
- Malibu
- Marina del Rey
- Monterey
- Morro Bay
- Myrtletown
- Pacific Grove
- Palos Verdes Estates
- Placentia
- San Diego
- San Francisco
- San Miguel
- Santa Barbara
- Santa Cruz
- Tiburon
- Twin Lakes
California- Lincoln Beach
- Lincoln City
Oregon- Burley
- Home
- Key Center
- Port Townsend
- Purdy
- Tacoma
- Tracyton
- Wauna
Washington
United States