About the Authors
- David W. E. Hone, Xing Xu, Fucheng Zhang
- Key Laboratory of Evolutionary Systematics of Vertebrates, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China
- Helmut Tischlinger
- Tannenweg 16, D-85134, Stammham, Germany
The authors have declared that no competing interests exist.
Conceived and designed the experiments: DWEH XX. Performed the experiments: HT. Analyzed the data: DWEH HT XX FZ. Wrote the paper: DWEH HT FZ.