thunnosaurian
thunnosaur
temnodontosaurid
stenopterygiid
baracromian
neoichthyosaurian
neoichthyosaur
ichthyosaurus
stenopterygius
Stenopterygius quadrisicissus
shastasaurid
ichthyopterygian
genus Ichthyosaurus
ichthyosaurid
palaeobatrachid
trematosauroid
ichthyosaurian
dinocaridid
parvipelvian
arthropterygium
leptonectid
leanchoiliid
Ichthyosauria
Uintatheriidae
family Uintatheriidae
order Ichthyosauria
ichthyophiid
ptilodontoid
ornithocheiroid
genus Thrips
ichthyodectid
anomalocarid
euornithopod
trematosaur
doswellid
genus Threskiornis
Threskiornis
ornithocheirid
pterygotioid
doswelliid
aeolosaurid
capitosaurid
deinonychosaurian
Piranga
genus Piranga
genus Stenopterygius
dsungaripteroid
paleoparadoxiid
thalassodromine
ichthyosaur