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