The first known stone tools were made about 2.5 Ma, apparently by Australopithecus garhi, and were found near animal bones that bear scratches made by these tools.
A primeira ferramenta de pedra coñecida elaborouse hai uns 2,5 Ma, aparentemente obra do Australopithecus garhi, e atopouse preto de ósos de animais que tiñan rabuñazos feitos con esas ferramentas.