A New Mass Mortality of Juvenile Protoceratops and Size-Segregated Aggregation Behaviour in Juvenile Non-Avian Dinosaurs Hone, David W. E. ; Farke, Andrew A. ; Watabe, Mahito ; Shigeru, Suzuki ; Tsogtbaatar, Khishigjav Abstract Publication: PLoS ONE Pub Date: November 2014 DOI: 10.1371/journal.pone.0113306 Bibcode: 2014PLoSO...9k3306H