English: Fig 1. Centrosaurine Biogeography- The Campanian centrosaurine distribution showing that the vast majority of diagnosable Campanian centrosaurines are from northern Laramidia and that the record of southern centrosaurines is sparse. Figure based on Sampson et al. Individual centrosaurine drawings were redrawn, but based on Brown and Schlaikjer (Styracosaurus), Langston (Pachyrhinosaurus), Sampson (Einiosaurus, Achelousaurus), Penkalski and Dodson (Avaceratops), Ryan and Russell (Coronosaurus, Centrosaurus), Ryan (Albertaceratops), Kirkland and DeBlieux (Diabloceratops), McDonald and Horner (Rubeosaurus), Farke et al. (Spinops), Ryan et al. (Xenoceratops), Sampson et al. (Nasutoceratops), and Evans and Ryan (Wendiceratops).