Photo 1651712, (c) bettyng90, some rights reserved (CC BY-NC)

Attribution © bettyng90 some rights reserved Uploaded by bettyng90 Source iNaturalist Associated observations Photos / Sounds What Eroded Periwinkle (Littorina keenae) Observer bettyng90 Date February 16, 2015 12:57 PM PST Place Los Angeles, California, United States (Google, OSM) Date Added March 23, 2015 06:00 PM PDT 1 comment 2 IDs Research Grade View Sizes small medium large original