Prosauropoda
suborder Prosauropoda
Gideon Algernon Mantell
Mantell
Gideon Mantell
genus Psittacosaurus
suborder Pachycephalosaurus
Dinosaurian
dinosauric
suborder Ceratosaura
Ceratopsidae
family Ceratopsidae
neotheropod
family Titanosauridae
genus Anatotitan
Titanosauridae
titanosaurian
paleovertebrate
Hadrosauridae
family Hadrosauridae
coelophysis
Hettangian
hylaeosaurus
nodosaurian
Jurassic
Jurassic period
genus Coelophysis
dino
dinosaurology
genus Ceratosaurus
allosaurus
allosaur
suborder Theropoda
titanosauroid
genus Corythosaurus
protoceratopsid
Ceratopsia
suborder Ceratopsia
Pendraig
Theropoda
genus Protoceratops
eudromaeosaurian
thescelosaur
eudromaeosaur
dinosaurian
dinosauromorph
Triassic period
Triassic
genus Barosaurus
bird-footed dinosaur