During three periods of ethnic identification work after 1949 , professor Fei Xiaotong , Huang Xianfan , Xia Kangnong and a lot of academic masters and scholars from anthropology and ethnic study circles had made their great contributions .
During three periods of ethnic identification work after 1949 , professors Fei Xiaotong , Huang Xianfan , Xia Kangnong and a lot of academic masters and scholars from anthropology and ethnic study circles made their great contributions .
Many paleoanthropologists are now using the term `` Homo ergaster '' for the non-Asian forms of this group . They reserve `` H. erectus '' only for those fossils found in the Asian region that meet certain requirements ( as to skeleton and skull ) which differ slightly from ergaster .