allosaurus
dinosauromorph
Titanosaurus
genus Titanosaurus
genus Ankylosaurus
therizinosaurian
therizinosaur
genus Coelophysis
coelophysis
rhynchosaur
neoceratopsian
ankylosauromorph
Pelycosauria
iguanodon
order Pelycosauria
genus Seismosaurus
therizinosaurid
suborder Pachycephalosaurus
Seismosaurus
anchisaurid
genus Protoceratops
genus Anatotitan
genus Styracosaurus
carnotaurine
dinosaurian
marginocephalian
Dinosaurian
Marginocephalia
neotetanuran
suborder Marginocephalia
turiasaur
brachiosaurus
coelurosaurian
Kimmeridgian
tyrannosaurid
Ceratopsia
Bajocian
Toarcian
Ictodosauria
nontitanosauriform
dinosaur
Callovian
Sinemurian
Bathonian
suborder Ceratopsia
order Ictodosauria
Pliensbachian