Pelvis of Gargoyleosaurus (Dinosauria: Ankylosauria) and the Origin and Evolution of the Ankylosaur Pelvis Carpenter, Kenneth ; DiCroce, Tony ; Kinneer, Billy ; Simon, Robert Abstract Publication: PLoS ONE Pub Date: November 2013 DOI: 10.1371/journal.pone.0079887 Bibcode: 2013PLoSO...879887C