Acanthochitona bednalliAcanthochitona bednalli, the Bednall's chiton, is a species of chiton in the family Acanthochitonidae.DescriptionAcanthochitona bednalli can reach a length of about. This species has a broad girdle surrounding the valves.DistributionThis species is endemic to southeastern and southwestern Australia. These chitons live subtidally on rocks.