neoichthyosaurian
neoichthyosaur
ichthyosaurian
Stenopterygius quadrisicissus
stenopterygius
thunnosaur
parvipelvian
Ichthyosauria
order Ichthyosauria
ichthyosaurus
mixosaurid
genus Stenopterygius
arthropterygium
ophthalmosaurid
ichthyosaurid
ichnomorphology
genus Ichthyosaurus
ichthyosauriform
euornithopod
ornithocheiroid
temnodontosaurid
ornithomimosaurian
eusaurischian
ichthyosauromorph
stenopterygiid
baracromian
arachnomorph
eudromaeosaur
Uintatheriidae
ichneumonidan
eudromaeosaurian
ichthyoplanktological
ichthyopterygian
family Uintatheriidae
ichthyostegid
latipinnate
longipinnate
aromobatid
eumaniraptoran
tyrannoraptoran
ichnoassemblage
thunnosaurian
hadrosauriform
disc-tongued frog
mamenchisaurid
thalattosaur
ankylopollexian
leptonectid
shastasaurid
ctenochasmatoid