Photo 580161, (c) Sam McNally, some rights reserved (CC BY-NC), uploaded by Sam McNally

Attribution © Sam McNally some rights reserved Uploaded by biosam Source iNaturalist Associated observations Photos / Sounds What Hooked Slippersnail (Crepidula adunca) Observer biosam Date November 16, 2013 04:38 PM PST Place Pillar Point Reef, Half Moon Bay (Google, OSM) Date Added November 16, 2013 07:37 PM PST 3 IDs Research Grade View Sizes small medium large original