suborder Ceratosaura
genus Ceratosaurus
genus Coelophysis
Sauropoda
suborder Sauropoda
suborder Theropoda
Theropoda
suborder Pachycephalosaurus
Titanosauridae
family Titanosauridae
neornithischian
neotheropod
titanosauriform
genus Psittacosaurus
neosauropod
suborder Prosauropoda
genus Ankylosaurus
dinosauric
Prosauropoda
hylaeosaurus
suborder Ceratopsia
Ceratopsidae
Ceratopsia
family Ceratopsidae
thescelosaur
neotheropodan
genus Protoceratops
Uintatheriidae
family Uintatheriidae
order Ictodosauria
Titanosaurus
therizinosaurian
tyrannosaurid
therizinosaur
genus Struthiomimus
genus Titanosaurus
Ictodosauria
saurolophid
Jurassic
coelophysis
macronarian
Jurassic period
albertosaurine
caseasaur
ankylopollexian
suborder Marginocephalia
marginocephalian
anchisaur
Marginocephalia
saurolophine