The first <i>Triceratops</i> bonebed and its implications for gregarious behavior

Abstract

JOSHUA C. MATHEWS,1'2 STEPHEN L. BRUSATTE, '3 SCOTT A. WILLIAMS,2'4 and MICHAEL D. HENDERSON2 4; 1Department of Geography, Northern Illinois University, DeKalb, Illinois 60115-2825, USA, jmathewl@niu.edu; 2Burpee Museum of Natural History, 737 North Main Street, Rockford, Illinois 61103-6966, USA; 3Department of Earth Sciences, University of Bristol, Bristol BS8 1RJ, UK ; 4Department of Earth and Environmental Geosciences, Northern Illinois University, DeKalb, Illinois 60115-2825, USA