General conchology, or, A description of shells, arranged according to the Linnean system
London :Printed for John Booth by B. Howlett,1815.
biodiversitylibrary.org/page/41888876
Description: English: Exhibit in the National Museum of Nature and Science, Tokyo, Japan. Photography was permitted in the museum without restriction. Date: 4 September 2013, 21:20:23. Source: Own work. Author: Daderot.
Description: English: Ventral aspect of three species of Polyplacophora, from 1911 Encyclopædia Britannica. Date: 1 January 1911. Source: 1911 Encyclopædia Britannica, Chiton article; Vol. 6, pages 247–251. Author: AnonymousUnknown author.