Photo 4182924, (c) slide_ranch, some rights reserved (CC BY-NC), uploaded by slide_ranch

Attribution © slide_ranch some rights reserved Uploaded by slide_ranch Source iNaturalist Associated observations Photos / Sounds What California Sandcastle Worm (Phragmatopoma californica) Observer slide_ranch Date June 8, 2016 08:39 AM PDT Place Marin County, CA, USA (Google, OSM) Date Added July 4, 2016 04:50 PM PDT 3 IDs Research Grade View Sizes small medium large original