A new small chiton (Mollusca: Polyplacophora) from Guadelupe
Leptochiton guadelupei sp. nov. from near Guadelupe in western Atlantic is described. The new species differs from other western Atlantic species of the genus Leptochiton by having a unique sculpture of tegmentum in the form of concentric rows of granules and the unidentate cusp of the major lateral tooth of radula, which has a deep longitudinal groove on each side.