<i>Eunotosaurus africanus</i> Backbone (IMAGE) Smithsonian Caption This is an illustration of the South African reptile, Eunotosaurus africanus, which fills an important gap in the early evolution of the turtle shell. Credit Brian Roach Usage Restrictions None 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.