About the Authors

Gregory M. Erickson, Brian D. Inouye
Department of Biological Science, Florida State University, Tallahassee, Florida, United States of America

Gregory M. Erickson, Alan H. Turner, Mark A. Norell
Division of Paleontology, American Museum of Natural History, New York, New York, United States of America

Oliver W. M. Rauhut
Bayerische Staatssammlung für Paläontologie und Geologie and Department of Earth and Environmental Sciences, LMU Munich, München, Germany

Zhonghe Zhou
Key Laboratory of Evolutionary Systematics of Vertebrates, Institute of Vertebrate Paleontology & Paleoanthropology, Chinese Academy of Science, Beijing, China

Alan H. Turner
Department of Anatomical Sciences, Stony Brook University, Stony Brook, New York, United States of America

Dongyu Hu
Paleontological Institute, Shenyang Normal University, Shenyang, China

Corresponding Author


Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GME OR MN. Performed the experiments: GME OR MN. Analyzed the data: GME OR AT BDI DH. Contributed reagents/materials/analysis tools: GME OR ZZ DH. Wrote the paper: GME OR ZZ AT BDI MN. Conducted the histological analyses: GME OR.