In situ fossil coral and shelly marine deposits occur up to 50 cm above mean sea level in north‐east Peninsular Malaysia. The fossil reef comprises over 15 coral species and associated molluscs. Radiocarbon ages of corals range from 7238 to 6909 cal a BP. The reef occurs adjacent to bedrock hills that formed a mainland peninsula when the coral was living. Abundant well‐preserved fossil molluscs with bivalves commonly articulat...