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Anisian ammonoids from Qingyan, southwestern China: biostratigraphical implications for the age of the Qingyan Formation |
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| Authors: | Frank Stiller Hugo Bucher |
| Institution: | (1) Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Beijingdonglu 39, 210008 Nanjing, P. R. China;(2) Institute and Museum of Palaeontology, University of Zürich, Karl Schmid-Strasse 4, CH-8006 Zürich, Switzerland;(3) Present address: Am Woltersweiher 19, D-53175 Bonn, Germany |
| Abstract: | |
| Keywords: | :" target="_blank">: ammonoids Anisian Qingyan Formation southwestern China taxonomy biostratigraphy |
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