<i>Zospeum tholussum</i> (IMAGE) Pensoft Publishers Caption This image shows the new species, Zospeum tholussum Weigand, 2013. Credit Alexander M. Weigand Usage Restrictions CC-By 3.0 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.