Summary[edit] Description: English: Ladder Horn Snail (Cerithideopsis scalariformis). Species of mollusc. Date: 25 February 2019. Source: https://www.inaturalist.org/photos/32112915. Author: Sam Kieschnick. Camera location27° 50′ 21.07″ N, 97° 04′ 14.07″ WView all coordinates using: OpenStreetMap 27.839187; -97.070576. Image shared by iNaturalist user: sambiology Licensing[edit] : This file is licensed under the Creative CommonsAttribution 4.0 International license. :. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. https://creativecommons.org/licenses/by/4.0 CC BY 4.0 Creative Commons Attribution 4.0 truetrue. : This image was originally posted to iNaturalist by sambiology at https://www.inaturalist.org/photos/32112915. It was reviewed on 18 April 2021 by INaturalistReviewBot and found to be published under the terms of the Cc-by-4.0 license.
Summary[edit] Description: English: Fossil shell of Tympanotonus margaritaceum, on display at the Museo Paleontologico Giulio Maini, Ovada. Date: 23 May 2015. Source: Own work. Author: Hectonichus.