-saurus
-saur
dinosauric
nondinoflagellate
nontitanosauriform
genus Psittacosaurus
alamosaur
dinosaurlike
suborder Prosauropoda
dinosauromorph
dinosaurian
Prosauropoda
dinosaur
protoceratopsid
family Hadrosauridae
Hadrosauridae
genus Brontosaurus
genus Apatosaurus
abelisaur
titanosaurian
genus Anatotitan
allosaurus
stegosaurid
titanosauriform
torosaur
nondinosaur
Dinosaurian
allosaur
archosaurian
dino
archosauriform
ornithoscelidan
tyrannosaurid
nodosaurian
suborder Theropoda
Paluxy Man
Theropoda
suborder Pachycephalosaurus
diplodocid
hadrosauriform
-ite
abelisauroid
ankylosauromorph
-verse
thecodont
Titanosauridae
subclass Synapsida
Synapsida
genus Ankylosaurus
thecodont reptile