dinosaurian
alligator
ammonite
ankylosaur
archaeohippus
archaeotherium
archelon
arthrodiran
aurochs
bothriolepis
brachiosaur
brontops
brontothere
coccostean
coelodont
compsognathus
coryphodon
cotylosaur
creodont
crocodile
crocodilian
crossopterygian
cynodictis
diatryma
dimetrodon
dinichthyid
dinothere
diplodocus
duck-billed dinosaur
edaphosaurid
elasmosaur
elephant
eryopsid
eurypterid
fossil
gator
giant sloth
glyptodont
hadrosaur
hippo
hippopotamus
jumbo
leviathan
lizard
mammoth
mastodon
monster
old fart
palaeodictyopteron
palaeoniscid
palaeophis
deinosaur
deinosaurian
archosaur
archosaurian
archosaurian reptile
argentinosaur
ground-shaker
iguanodon
ornithischian
ornithischian dinosaur
saurischian
saurischian dinosaur
seismosaur
titanosaur
titanosaurian
animal
bat
buffalo
elk
fauna
frog
insect
mammal
monkey
predator
quadruped
reptile
shark
snake
spider
tortoise
turtle
whale