paleoherpetology
reptology
herpetology
reptilology
Ictodosauria
order Ictodosauria
urodele
caudate
crocodilian reptile
crocodilian
pterodactyl
herpetologist
Sauropterygia
order Sauropterygia
archosaurian reptile
archosaur
archosaurian
Lepidosauria
subclass Lepidosauria
dinosauriform
order Pterosauria
Pterosauria
phytosaurian
superorder Labyrinthodonta
order Squamata
Labyrinthodontia
Labyrinthodonta
Squamata
superorder Labyrinthodontia
order Ichthyosauria
palaeobatrachid
Ichthyosauria
amphibia
batrachology
subphylum Vertebrata
Craniata
herpet-
Vertebrata
subphylum Craniata
family Uintatheriidae
choristodere
Uintatheriidae
ichthyosauriform
adapid
Archosauria
archaeocete
Synapsida
subclass Archosauria
subclass Synapsida
dolichosaurid