Evolution in Skulls (IMAGE) University of Adelaide Caption These are skull casts from human evolution. Left to right: Australopithecus afarensis, Homo habilis, Homo ergaster, Homo erectus and Homo neanderthalensis. Credit Photo credit: Roger Seymour. Casts photographed in the South Australian Museum. Usage Restrictions For use with this story License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.