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