Open Trapdoor (IMAGE) University of Adelaide Caption Open trapdoor spider burrow belongs to a species of Euoplos from New South Wales. Credit (image by M. Rix) Usage Restrictions for use with this story 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.