†Ornatotholus Galton and Sues 1983 (ornithischian)
Full reference: P. M. Galton and H.-D. Sues. 1983. New data on pachycephalosaurid dinosaurs (Reptilia: Ornithischia) from North America. Canadian Journal of Earth Sciences 20(3):462-472
Parent taxon: Homalocephaloidea according to T. Maryanska et al. 2004
Sister taxa: none
Subtaxa: none
Ecology: ground dwelling herbivore