Photo 2850877, (c) huertag, some rights reserved (CC BY-NC)

Attribution © huertag some rights reserved Uploaded by huertag Source iNaturalist Associated observations Photos / Sounds What Button Shell (Trimusculus reticulatus) Observer huertag Date December 31, 2015 11:18 AM PST Place San Mateo, California, United States (Google, OSM) Date Added January 5, 2016 08:41 PM PST 2 IDs Research Grade View Sizes small medium large original