chiton(redirected from coat-of-mail shell)
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chitonthe common name for any member of the class Polyplacophora (= Loricata) - primitive molluscs which have a creeping foot and a dorsal shell formed of a series of plates (usually 8).
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005