About the Authors

Stephanie Maiolino

douglasmb@gmail.com (DMB); smaiolin@gmail.com (SM)

Affiliation Stony Brook University, Stony Brook, New York, United States of America

Doug M. Boyer

douglasmb@gmail.com (DMB); smaiolin@gmail.com (SM)

Affiliation Brooklyn College, City University of New York, Brooklyn, New York, United States of America

Jonathan I. Bloch

Affiliation Florida Museum of Natural History, University of Florida, Gainesville, Florida, United States of America

Christopher C. Gilbert

Affiliation Hunter College, City University of New York, New York, New York, United States of America

Joseph Groenke

Affiliation Stony Brook University, Stony Brook, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SM DMB CCG. Analyzed the data: SM DMB CCG. Contributed reagents/materials/analysis tools: SM DMB CCG JIB JG. Wrote the paper: SM DMB CCG JIB. Preparation of fossil materials: JG.