Photo 3174800, (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal

Attribution © Robin Gwen Agarwal some rights reserved Uploaded by anudibranchmom Source iNaturalist Associated observations Photos / Sounds What Channeled Topsnail (Calliostoma canaliculatum) Observer anudibranchmom Date March 17, 2016 11:04 AM PDT Place San Mateo, California, United States (Google, OSM) Date Added March 17, 2016 07:13 PM PDT Description Grazing Tags 2016-03-17 Pillar Pt 2 IDs Research Grade View Sizes small medium large original