Classification of the species Troodon wyomingensis
†Pachycephalosaurus wyomingensis Gilmore 1931
show all | hide all
Invalid names: Dracorex hogwartsia Bakker et al. 2006 [synonym], Pachycephalosaurus grangeri Brown and Schlaikjer 1943 [synonym], Pachycephalosaurus reinheimeri Brown and Schlaikjer 1943 [synonym], Stygimoloch spinifer Galton and Sues 1983 [synonym], Tylosteus ornatus Leidy 1872 [synonym]