Photo 10313271, (c) Tom Lawson, some rights reserved (CC BY-NC-ND), uploaded by Tom Lawson

Attribution © Tom Lawson some rights reserved Uploaded by tlawson Source iNaturalist Associated observations Photos / Sounds 5 photos What Bicolor Cactus Snail (Xerarionta tryoni) Observer tlawson Date September 2017 Place California, US (Google, OSM) Date Added September 8, 2017 10:25 AM PDT Description These are from an old collection. Collected on San Nicolas Island by R. H. Tremper. 3 IDs Research Grade View Associated taxa CC Bicolor Cactus Snail (Xerarionta tryoni) Info Photo (c) Tom Lawson, some rights reserved (CC BY-NC-ND), uploaded by Tom Lawson Sizes small medium large original