In 1994 , the London-born Kenyan paleoanthropologist Meave Leakey and archaeologist Alan Walker excavated the Allia Bay site and uncovered several additional fragments of the hominid , including one complete lower jaw bone which closely resembles that of a common chimpanzee '' ( Pan troglodytes ) '' but whose teeth bear a greater resemblance to those of a human .
Six years later the London-born Kenyan paleoanthropologist Meave Leakey and archaeologist Alan Walker excavated the Allia Bay site and uncovered several additional fragments of the hominid , including one complete lower jaw bone which closely resembles that of a common chimpanzee ( `` Pan troglodytes '' ) but whose teeth are much more similar to those of a human .