WAlbertosaurinae
WAnkylosaurinae
WCeratosauria
WCoelurosauria
WColossosauria
WHadrosauromorpha
WJeholosauridae
WKritosaurini
WLaurasiformes
WLeptoceratopsidae
WLirainosaurinae
WLithostrotia
WManiraptoromorpha
WMegaraptora
WOrodrominae
WParksosauridae
WSaltasaurinae
WSaltasaurini
WSaurolophinae
WThescelosaurinae
WThyreophora
WTuriasauria
WTyrannoraptora