Photo 86398, (c) Chris Brown, some rights reserved (CC BY-NC), uploaded by Chris Brown

Attribution © Chris Brown some rights reserved Uploaded by chriswbrown Source iNaturalist Associated observations Photos / Sounds What California Sandcastle Worm (Phragmatopoma californica) Observer chriswbrown Date March 4, 2012 Place Cabrillo National Monument, San Diego, CA, US (Google, OSM) Date Added March 4, 2012 04:28 PM PST Tags san diego, invertebrate, polychaete 2 comments 4 IDs Research Grade View Sizes small medium large original