vulcanodontid
neotetanuran
coelophysis
Marginocephalia
centrosaurine
suborder Marginocephalia
titanosauriform
marginocephalian
genus Ankylosaurus
dinosauromorph
ceratosaurian
dino
megaraptorid
megalosaur
megalosaurus
allosaur
trachodont
ornithomimosaurian
allosaurus
thescelosaur
chasmosaurine
titanosaurian
tyrannosaurid
caenagnathid
bird-footed dinosaur
Uintatheriidae
neotheropodan
theropod dinosaur
dinosauriform
theropod
family Uintatheriidae
eumaniraptoran
suborder Pachycephalosaurus
brachiosaur
saurornitholestine
order Ictodosauria
suborder Ceratopsia
nontitanosauriform
melanorosaurid
titanosauroid
hylaeosaurus
genus Apatosaurus
Ictodosauria
Ceratopsia
tyrannosaurine
genus Brontosaurus
scansoriopterigid
pachyrostran