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