Search Only Images Download this image Preserve your Periostracum or - Save your Skin! No info available for book source. Image ID: SIL-39088012949749_0008 Supplied Caption: Images from Shells and Sea Life depicting clams. Mayan volcano. Original Caption: Preserve your Periostracum or - Save your Skin! Taxonomic Name: Entodesma saxicola Tags: Shells and Mollusks, Volcanoes, Advertisements, aquatic, marine, mollusk, mollusc Request copy of image How can I use this image?