Photo 5276067, (c) cadi93, some rights reserved (CC BY-NC)

Attribution © cadi93 some rights reserved Uploaded by cadi93 Source iNaturalist Associated observations Photos / Sounds 2 photos What Checkered Periwinkle (Littorina scutulata) Observer cadi93 Date October 19, 2016 02:06 PM PDT Place Titlow Park, Tacoma, WA, US (Google, OSM) Date Added October 19, 2016 03:43 PM PDT Description Snail 3 IDs Research Grade View Sizes small medium large original