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