About the Authors

Anna R. Holden

aholden@nhm.org

Affiliation Entomology Section, Natural History Museum of Los Angeles County, Los Angeles, California, United States of America

Jonathan B. Koch

Affiliation Department of Biology and Ecology Center, Utah State University, Logan, Utah, United States of America

Terry Griswold

Affiliation USDA-ARS Pollinating Insect Research Unit, Utah State University, Logan, Utah, United States of America

Diane M. Erwin

Affiliation Museum of Paleontology, University of California, Berkeley, Berkeley, California, United States of America

Justin Hall

Affiliation Dinosaur Institute, Natural History Museum of Los Angeles County, Los Angeles, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ARH JBK TG DME. Performed the experiments: ARH JBK TG DME. Analyzed the data: ARH JBK TG DME. Contributed reagents/materials/analysis tools: ARH JBK TG DME JH. Wrote the paper: ARH JBK TG DME JH.