1. 1 SNSB-Bayerische Staatssammlung für Paläontologie und Geologie, Richard-Wagner-Straße 10, 80333 Munich, Germany
2. 2 Museum für Naturkunde Chemnitz, Moritzstraße 20, Chemnitz, Germany
3. 3 Geological Institute, TU Bergakademie Freiberg, Bernhard-von-Cotta-Straße 2, 09599 Freiberg, Germany
4. 4 Department of Earth and Environmental Sciences, Palaeontology and Geobiology, Ludwig-Maximilians-Universität München, Richard-Wagner-Straße 10, 80333 Munich, Germany
5. 5 Department of Ecology and Evolutionary Biology, and Natural History Museum and Biodiversity Institute, University of Kansas, Lawrence, Kansas 66045-7534, USA