The Paleobiology Database

Opinions from H.-D. Sues and P. M. Galton 1987

'Ceratopsia belongs to Marginocephalia'
'Goyocephale belongs to Homalocephalidae'
'Gravitholus belongs to Pachycephalosauridae'
'Gravitholus albertae belongs to Gravitholus'
'Homalocephale belongs to Homalocephalidae'
'Homalocephaleridae is corrected as Homalocephalidae and belongs to Pachycephalosauria'
'Majungatholus belongs to Pachycephalosauridae'
'Ornatotholus belongs to Pachycephalosauridae'
'Pachycephalosauria belongs to Marginocephalia'
'Pachycephalosauridae belongs to Pachycephalosauria'
'Pachycephalosaurus belongs to Pachycephalosauridae'
'Pachycephalosaurus grangeri is a subjective synonym of Pachycephalosaurus wyomingensis'
'Pachycephalosaurus reinheimeri is a subjective synonym of Pachycephalosaurus wyomingensis'
'Stegoceras belongs to Pachycephalosauridae'
'Stegoceras brevis is a subjective synonym of Stegoceras validum'
'Stegoceras browni is recombined as Ornatotholus browni'
'Stegoceras lambei is a subjective synonym of Stegoceras validum'
'Stegoceras validus is corrected as Stegoceras validum and belongs to Stegoceras'
'Stygimoloch belongs to Pachycephalosauridae'
'Stygimoloch spinifer belongs to Stygimoloch'
'Troodon bexelli is a nomen dubium'
'Troodon edmontonensis [misspelled as Stegoceras edmontonense] belongs to Stegoceras'
'Troodon sternbergi is a subjective synonym of Stegoceras validum'
'Troodon wyomingensis is recombined as Pachycephalosaurus wyomingensis'
'Tylosteus is a nomen oblitum' according to D. Baird 1979
'Tylosteus is a nomen oblitum'
'Tylosteus ornatus is a nomen oblitum'
'Tylosteus ornatus is a nomen oblitum' according to D. Baird 1979
'Wannanosaurus belongs to Homalocephalidae'
'Yaverlandia belongs to Pachycephalosauridae'