 They display typical Austronesian technological hallmarks, including tooth removal, teeth blackening, jade carving, tattooing, stilt houses, advanced boat-building, aquaculture, wetland agriculture, and the domestication of dogs, pigs, and chickens.These include the Kuahuqiao, Hemudu, Majiabang, Songze, Liangzhu, and Dapenkeng cultures which occupied the coastal regions between the Yangtze River delta to the Min River delta.Based on linguistic evidence, there have been proposals linking Austronesians with other linguistic families into linguistic macrofamilies that are relevant to the identity of the pre-Austronesian populations.