subclass Archaeornithes
Archaeornithes
genus Protoavis
archeopteryx
Archaeopteryx lithographica
archaeopteryx
crocodilian
crocodilian reptile
paleornithology
palaeornithology
genus Archaeornis
subclass Synapsida
Synapsida
family Titanosauridae
Titanosauridae
genus Ceratosaurus
pterosaur
protoavis
flying reptile
serpulite
phytosaurian
plesiosaur
plesiosaurus
dinosauriform
Ictodosauria
pistosaur
order Ornithischia
Ornithischia
genus Ankylosaurus
order Ictodosauria
palaeoentomology
genus Stegosaurus
pterodactyl
oryctozoology
zoophytolith
milleporite
reptiliferous
Sauropterygia
order Sauropterygia
protorothyridid
allokotosaur
paleoecology
gephyrostegid
ichthyosauriform
vertebrate paleontology
romeriid
reptilian
-saur
entomolite
neornithine