Photo 12173018, (c) Cedric Lee, some rights reserved (CC BY-NC), uploaded by Cedric Lee

Attribution © Cedric Lee some rights reserved Uploaded by cedric_lee Source iNaturalist Associated observations Photos / Sounds 2 photos What Checkered Periwinkle (Littorina scutulata) Observer cedric_lee Date December 2, 2017 12:06 PM PST Place Los Angeles, California, United States (Google, OSM) Date Added December 2, 2017 07:52 PM PST 2 IDs Research Grade View Sizes small medium large original Copyright