Longrich, Sankey та Tanke, 2010 Longrich, NR; Sankey, J; Tanke, D (2010). Texacephale langstoni, a new genus of pachycephalosaurid (Dinosauria: Ornithischia) from the upper Campanian Aguja Formation, southern Texas, USA. Cretaceous Research. 31 (2): 274. doi:10.1016/j.cretres.2009.12.002.