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