edaphosaur
edmontosaur
Pelycosauria
order Pelycosauria
genus Edaphosaurus
camarasaur
albertosaur
ankylosaurine
camarasaurus
abelisauroid
thescelosaur
leanchoiliid
ichthyosaurus
saltasaurid
aeolosaurid
nodosaurian
Euphagus
genus Euphagus
ankylosauromorph
Stenopterygius quadrisicissus
stenopterygius
herrerasaurid
edaphosaurid
abelisaur
dinosauromorph
alamosaur
anomalocarid
scansoriopterygid
euornithopod
deinocheirid
therizinosaur
dsungaripteroid
therizinosaurian
caseasaur
aigialosaurid
neoichthyosaur
genus Erethizon
Erethizon
eudromaeosaur
hadrosauroid
emydopoid
eudromaeosaurian
therizinosauroid
neoichthyosaurian
trematosauroid
ankylopollexian
lambeosaurine
pentatrematoid
arthropterygium
deinonychosaur