aphanosaur
Ichthyosauria
machairodontine
archegosaurid
order Ichthyosauria
superorder Labyrinthodonta
Ictodosauria
genus Ardea
long-tailed titmouse
neornithischian
Ardea
amynodontid
arctostylopid
genus Ankylosaurus
pentatrematoid
superorder Labyrinthodontia
paleoherpetology
Labyrinthodontia
Labyrinthodonta
haramiyidan
order Ictodosauria
carnivoramorphan
necrosaur
typotherian
adapisoriculid
anteosaur
aeolothripid
phosphatocopid
aeolosaurian
acanthostegid
euharamiyidan
genus Triceratops
anamixid
nothosauroid
order Ostracodermi
epimeriid
beardog
ambulacrarian
arctocyonid
lashtail
loxonematid
archosaurian
champsosaurid
archosaur
Ostracodermi
genus Styracosaurus
amphibian genus
carnivoromorphian
archosaurian reptile
anatoliadelphyid