About the Authors
- Brian P. Kraatz
- Department of Anatomy, Western University of Health Sciences, Pomona, California, United States of America
- Brian P. Kraatz, Jin Meng, Marcelo Weksler
- Division of Paleontology, American Museum of Natural History, New York, New York, United States of America
- Chuankui Li
- Department of Vertebrate Paleontology, Institute of Vertebrate Paleontology and Paleoanthropology, Beijing, China
The authors have declared that no competing interests exist.
Conceived and designed the experiments: JM. Performed the experiments: BPK. Analyzed the data: BPK JM MW CL. Wrote the paper: BPK. Collected and identified specimens: JM CL. Interpreted specimens: JM MW.