What is polyplacophora?

Polyplacophora is a class of marine mollusks commonly known as chitons. They are characterized by their eight overlapping dorsal shells or plates, which provide protection and flexibility. Chitons are primarily found on rocky substrates in intertidal zones and have a broad, muscular foot that allows them to cling tightly to surfaces. They are herbivorous, feeding mainly on algae using a specialized feeding structure called a radula.