Photo 6582699, (c) Mike, some rights reserved (CC BY-NC), uploaded by Mike

Attribution © Mike some rights reserved Uploaded by mrfish33 Source iNaturalist Associated observations Photos / Sounds What Checkered Periwinkle (Littorina scutulata) Observer mrfish33 Date March 4, 2017 05:28 PM PST Place Kitsap County, WA, USA (Google, OSM) Date Added March 15, 2017 12:07 PM PDT 2 IDs Research Grade View Sizes small medium large original