neoichthyosaur
neoichthyosaurian
parvipelvian
thunnosaur
ichthyosaurian
baracromian
eudromaeosaurian
eudromaeosaur
arthropterygium
ankylopollexian
stenopterygius
Stenopterygius quadrisicissus
scansoriopterygid
neornithischian
ichthyosaurus
euornithopod
Ichthyosauria
order Ichthyosauria
thescelosaur
eusaurischian
ornithocheiroid
arachnomorph
therizinosaurian
carnotaurine
therizinosaur
stenopterygiid
Uintatheriidae
dryomorphan
dryomorph
deinonychosaurian
ophthalmosaurid
family Uintatheriidae
rhabdodontomorphan
tyrannoraptoran
genus Stenopterygius
ankylosauromorph
ctenochasmatoid
thunnosaurian
ornithomimosaurian
genus Ichthyosaurus
ichthyostegid
ichthyosaurid
ankylosaurine
pterosauromorph
ichnomorphology
aralosaurin
neotheropodan
temnodontosaurid
scansoriopterigid
nothosaurian