Aegyptopithicus Semicircular Canals (image) Penn State Caption This is a three-dimensional reconstruction of the cranium and semicircular canals from the fossil anthropoid primate Aegyptopithecus zeuxis. The specimen is courtesy of the Egyptian Geological Museum and Division of Fossil Primates, Duke Lemur Center. Credit Tim Ryan, Penn State Usage Restrictions non advertising use only 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.