genus Coelophysis
genus Ceratosaurus
suborder Theropoda
Theropoda
Sauropoda
suborder Ceratosaura
suborder Sauropoda
neosauropod
macronarian
cetiosaur
eusauropod
saurolophid
sauropodomorphan
plateosaurian
Titanosauridae
sauropod
family Titanosauridae
titanosauriform
sauropodous
Tyrannosaurus rex
saurolophine
sauropodomorph
massopodan
saurischian
neornithischian
turiasaurian
neotheropod
Ceratopsidae
genus Ankylosaurus
family Ceratopsidae
megaraptoran
allosaurus
allosaur
suborder Pachycephalosaurus
thyreophoran
suborder Thyreophora
saurornitholestine
Thyreophora
coelophysis
thescelosaur
Dinosaurian
genus Allosaurus
genus Antrodemus
anchisaur
order Ictodosauria
therizinosaur
dinosauric
caseasaur
dinosauromorph
mamenchisaurian