Photo 697687, (c) Liam O'Brien, some rights reserved (CC BY-NC), uploaded by Liam O'Brien

Attribution © Liam O'Brien some rights reserved Uploaded by robberfly Source iNaturalist Associated observations Photos / Sounds What Long-armed Brittle Star (Amphiodia occidentalis) Observer robberfly Date February 27, 2014 04:29 PM PST Place W Point Ave, Half Moon Bay, CA, US (Google, OSM) Date Added February 27, 2014 08:54 PM PST Description Chiton guy keyed this.... 2 IDs Research Grade View Sizes small medium large original