Rendering of water to land transition (IMAGE) Harvard University Caption The aerial scene depicts two Late Devonian early tetrapods - Ichthyostega and Acanthostega - coming out of the water to move on land. Footprints trail behind the animals to show a sense of movement. Credit Davide Bonadonna Usage Restrictions CC-By 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.