Opinions from T. Maryanska 1990

  • 'Goyocephale belongs to Homalocephalidae'
  • 'Goyocephale lattimorei belongs to Goyocephale'
  • 'Gravitholus belongs to Pachycephalosauridae'
  • 'Gravitholus albertae belongs to Gravitholus'
  • 'Heishansaurus is a nomen dubium'
  • 'Heishansaurus pachycephalus is a nomen dubium'
  • 'Homalocephale belongs to Homalocephalidae'
  • 'Homalocephale calathocercos belongs to Homalocephale'
  • 'Homalocephaleridae is corrected as Homalocephalidae and belongs to Pachycephalosauria'
  • 'Majungatholus belongs to Pachycephalosauridae'
  • 'Majungatholus atopus belongs to Majungatholus'
  • 'Micropachycephalosaurus belongs to Pachycephalosauria'
  • 'Micropachycephalosaurus hongtuyanensis belongs to Micropachycephalosaurus'
  • 'Ornatotholus belongs to Pachycephalosauridae'
  • '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'
  • 'Prenocephale belongs to Pachycephalosauridae'
  • 'Prenocephale prenes belongs to Prenocephale'
  • 'Stegoceras belongs to Pachycephalosauridae'
  • 'Stegoceras breve 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'
  • 'Stegosaurus madagascariensis is a nomen dubium'
  • 'Stenotholus is a subjective synonym of Stygimoloch'
  • 'Stenotholus kohleri is a subjective synonym of Stygimoloch spinifer'
  • 'Stygimoloch belongs to Pachycephalosauridae'
  • 'Stygimoloch spinifer belongs to Stygimoloch'
  • 'Troodon edmontonensis is recombined as Stegoceras edmontonense'
  • 'Troodon sternbergi is a subjective synonym of Stegoceras validum'
  • 'Troodon wyomingensis is recombined as Pachycephalosaurus wyomingensis'
  • 'Tylocephale belongs to Pachycephalosauridae'
  • 'Tylocephale gilmorei belongs to Tylocephale'
  • 'Tylosteus is a subjective synonym of Pachycephalosaurus'
  • 'Tylosteus ornatus is a subjective synonym of Pachycephalosaurus wyomingensis'
  • 'Wannanosaurus belongs to Homalocephalidae'
  • 'Wannanosaurus yansiensis belongs to Wannanosaurus'
  • 'Yaverlandia belongs to Pachycephalosauridae'
  • 'Yaverlandia bitholus belongs to Yaverlandia'