Kenyanthropus platyops
All the hominins made tools
A study of associations between stone tool evidence and fossil hominin remains shows that a wide range of species made stone artifacts.
![Chimpanzee holding a stick wrapped around its hand and placing lips on the stick](/content/images/size/w1460/2023/12/chimpanzee-algae-fishing-tool-use-bossou-wikipedia-anup-shah.jpg)
Guide to Australopithecus species
These ancient human relatives include the first species with evidence of upright walking and running like humans. They represent more than a third of our evolutionary history.
![Five fossil skulls in three-quarter view looking toward the right](/content/images/size/w1460/2023/09/australopithecus-skulls-montage.jpg)