Matthew J. Butrim

Alexander J. Lowe¹, 

Andrew G. Flynn², 

Matthew J. Butrim³, 

Aly Baumgartner⁴, 

Dana L. Royer⁵, 

Daniel J. Peppe⁶ 

¹Department of Biology, University of Washington, 

²Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, 

³Department of Geology and Geophysics, Program in Ecology, University of Wyoming, 

⁴Department of Ecology and Evolutionary Biology, University of Michigan Herbarium, 

⁵Department of Earth and Environmental Sciences, Wesleyan University, 

⁶Department of Geosciences, Baylor University