旧石器时代晚期,即距今5至1万年的时候,随着人口繁衍,经济发展,生产规模扩大,人们的社会组织也发生变化。这一时期的社会已跨入氏族制的大门,处于母系氏族社会的早期。安图人是吉林大地上这一时期的代表。化石1963年发现于安图县明月镇。它是一只右下第一前臼齿,牙齿长度与现代人基本相同,颊尖与舌尖的大小几 In the late Paleolithic period, from 5 to 10,000 years ago, with the population growth, economic development and the expansion of production scale, the social organization of the people also changed. The society of this period has entered the gate of the clan system, in the early matriarchal society. Antu people are representative of this period on the land of Jilin. Fossils found in 1963 in bright moon town Antu County. It is a first right lower first molar, the length of the tooth is basically the same with the modern, the size of the cheek tip and tongue a few