1. Paläontologisches Institut der Universität Zürich Karl Schmid‐Strasse 4 8006 Zürich Switzerland
2. Geological Museum Lausanne University Quartier UNIL‐Dorigny Bâtiment Anthropole CH‐1015 Lausanne Switzerland
3. Palaeobiology Department of Earth Sciences Uppsala University Villavägen 16 753 36 Uppsala Sweden
4. Guangxi Bureau of Geology and Mineral Resources Jiangzheng Road 1 530023 Nanning China