Australopithecus deyiremeda (IMAGE) Cleveland Museum of Natural History Caption The left half of the lower jaw of Australopithecus deyiremeda (BRT-VP-3/14), a 3.5 to 3.3 million-year-old human ancestor species discovered by the Woranso-Mille project led by Dr. Yohannes Haile-Selassie of The Cleveland Museum of Natural History, is discussed in a newly published review of African hominins from the middle Pliocene. Credit Photo credit: Yohannes Haile-Selassie Usage Restrictions Once the 3 pm embargo lifts June 6, 2016, please grant public access to this and other images. 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.