JAVIER TRUEBA / MSF / SCIENCE PHOTO LIBRARY JAVIER TRUEBA / MSF / SCIENCE PHOTO LIBRARY
Paranthropus aethiopicus skull (KNM-WT 17000). This extinct species, a very early part of the human evolutionary tree, is also known as Australopithecus aethiopicus. This fossil specimen dates from around 2.5 million years ago. It was discovered in 1985, on the west shore of Lake Turkana, Kenya. Prominent features include the sagittal crest, and the heavily protruding face that projects forward from the forehead.
Model release not required. Property release not required.