Tail Segment (IMAGE) Pensoft Publishers Caption This is a drawing of the tail segment of Wernerius inyoensis, displaying the unique spine above the stinger. Credit Michael Webber Usage Restrictions This press release is available under the Creative Commons Attribution 3.0 License. It is thus expected to link back to the original article. 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.