prototetrapod
protorosaur
drepanosauromorph
paleoprimatology
superslasher
vertebrate paleontology
frill
allokotosaur
utahraptor
circumorbital
paleoherpetology
Labyrinthodontia
dino
lizard
Labyrinthodonta
superorder Labyrinthodontia
occipital
superorder Labyrinthodonta
pleurokinesis
supralabial
ichthyosauriform
protobird
genus Plesiosaurus
suborder Sauropodomorpha
creodont
dinosaurian
temporal
neotetanuran
crocodyliform
adapid
Sauropodomorpha
cistecephalid
ceratophore
sphenethmoid
protorothyridid
coniasaur
caenagnathid
neotheropod
quadratojugal
archaeocete
platycoelian
cercamoniine
crocodylomorph
choristoderan
corythosaur
corythosaurus
neodiapsid
comb
gephyrostegid
stegosaurian