neoichthyosaurian
neoichthyosaur
thunnosaur
ichthyosaurian
parvipelvian
arthropterygium
baracromian
eudromaeosaurian
eudromaeosaur
stenopterygius
Stenopterygius quadrisicissus
euornithopod
ophthalmosaurid
ichthyostegid
ichthyosaurid
thescelosaur
genus Stenopterygius
neornithischian
ankylopollexian
therizinosaur
therizinosaurian
stenopterygiid
scansoriopterygid
eusaurischian
arachnomorph
ichthyosaurus
thunnosaurian
ctenochasmatoid
genus Ichthyosaurus
tyrannoraptoran
carnotaurine
ornithocheiroid
neotheropodan
deinonychosaurian
ichthyopterygian
ornithomimosaurian
deinonychosaur
leptonectid
ankylosaurine
ichnoassemblage
mixosaurid
aralosaurin
temnodontosaurid
Ichthyosauria
rhabdodontomorphan
order Ichthyosauria
dryomorph
dryomorphan
therizinosauroid
tyrannosaurine