Description: English: Cocculinidae various examples. Date: 1862. Source: https://archive.org/details/manualconch12tryorich. Author: Tryon, George Washington, 1838-1888; Pilsbry, Henry Augustus, b. 1862.
Description: English: Illustration of the Exoskeleton of Chrysomallon squamiferum. Source: http://www.nsf.gov/news/news_images.jsp?cntn_id=116243&org=NSF. Author: Zina Deretsky, National Science Foundation, inset after Haimin Yao et al., PNAS, January 2010.