Artist Impression (IMAGE) University of the Witwatersrand Caption This image shows an artist's impression of Broomistega seeking shelter in Thrinaxodon's burrow. Credit ESRF/V. Fernandez Usage Restrictions NOT FOR PUBLICATION UNTIL 17:00 EST/21:00 GMT/23:00 SATS ON 21 JUNE 2013 License Licensed content Disclaimer: AAAS and EurekAlert!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.