sauropodomorphan
Kenorland
neornithischian
therizinosaur
prawn
ankylosauromorph
trachelostylid
genus Protoavis
Uintatheriidae
troglodyte
cystoporate
stegosaurine
deinonychosaurian
stag
titanosauriform
choristodere
paleoecologic
family Uintatheriidae
order Saurischia
cirriped
nothosaurian
Ornithischia
order Ornithischia
Pelycosauria
Hadrosauridae
archaeobotany
genus Apatosaurus
Saurischia
sphenacodont
tadpole shrimp
amphipod
order Pelycosauria
pygocephalomorph
family Hadrosauridae
archaeopteryx
archeopteryx
Archaeopteryx lithographica
genus Brontosaurus
turiasaurian
paleocytology
plesiosaurian
Latimeridae
macrochoanite
trepostome
psittacosaurus
family Latimeridae
doreite
ordanchite
sancyite
Hynerpeton bassetti