parvipelvian
neoichthyosaur
neoichthyosaurian
thunnosaur
ichnotaxonomy
stenopterygius
ichthyosaurian
Stenopterygius quadrisicissus
stenopterygiid
ichnomorphology
arthropterygium
monofenestratan
ichthyosauromorph
eudromaeosaurian
eudromaeosaur
genus Stenopterygius
baracromian
order Ichthyosauria
Ichthyosauria
ichnoassemblage
chaoyangopterid
ichthyosaurus
euornithopod
eumaniraptoran
ornithocheiroid
parvicursorine
eusaurischian
macronarian
scansoriopterygid
archaeopterodactyloid
tyrannoraptoran
tyrannosaurine
dsungaripteroid
ctenochasmatoid
mixosaurid
pelobatoid
anhanguerid
phosphatocopid
ankylopollexian
ranoid
arachnomorph
neornithischian
dinosauromorph
pareiasaurian
family Uintatheriidae
arthropod genus
genus Ichthyosaurus
Uintatheriidae
tapejaroid
pentameroid