Dinoplax gigasDinoplax gigas, the giant chiton, is a species of chiton in the family Chaetopleuridae. It is a marine mollusc.DescriptionDinoplax gigas normally reach a length of about, but exceptionally may grow up to. These large chitons are elongate, oval, carinate and moderately elevated. They have strongly arched grey or brown valves. The leathery girdle is greyish or brown, spotted with black and has tufts of short hairs.EcologyThis species hides under rocks during the day but emerges at night.DistributionThis species is found around the South African coast from the Cape Peninsula to Durban, subtidally to at least 5 m.