プレノケファレ
and Tanke, D. (2010). "Texacephale langstoni, a new genus of pachycephalosaurid (Dinosauria: Ornithischia) from the upper Campanian Aguja Formation, southern Texas, USA." Cretaceous Research, . doi:10.1016/j.cretres.2009.12.002
↑ Re: Sphaerotholus
1 2 Pachycephalosauria Archived 2014年10月7日, at the Wayback Machine.
↑ Robert M. Sullivan (2003). REVISION OF THE DINOSAUR STEGOCERAS LAMBE (ORNITHISCHIA, PACHYCEPHALOSAURIDAE)
↑ Dinosaurian Ungulates (Ornithopods) Archived 2007年3月7日, at the Wayback Machine.