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