Photo 5227928, (c) BJ Stacey, some rights reserved (CC BY-NC), uploaded by BJ Stacey

Attribution © BJ Stacey some rights reserved Uploaded by finatic Source iNaturalist Associated observations Photos / Sounds What Eroded Periwinkle (Littorina keenae) Observer finatic Date April 30, 2016 08:20 AM PDT Place La Jolla--Children's Pool (Google, OSM) Date Added October 15, 2016 12:11 PM PDT Description San Diego County, California, US Tags Eroded Periwinkle (Littorina keenae) 2 IDs Research Grade View Sizes small medium large original