end-Cretaceous
end-Triassic mass extinction
Triassic-Jurassic extinction event
existential
extinctor
extinctic
extinction event
extinction level event
K-T extinction event
extinctual
big five
Miocenic
Jurassic
age of extinction
Great Dying
Mesolithic
Permian-Triassic mass extinction
Paleozoic
Santonian
coelophysis
go out
endtime
Turonian
die out
conclusion
omnicide
Permian period
ending
Permian
finish
Neogene
extinctively
mass extinction event
Stenian
Laramide
Devonian
Triassic period
doomsday event
subrecent
Edmontonian
Eocene
dinosaur
Triassic
Cenomanian
Cambrian
Coniacian
Hauterivian
semiextinction
die off
washed-up
ruined
hylaeosaurus
Quaternary
undone
done for
Neozoic
Maastrichtian
sunk
Mesozoic
finicretaceous
Paleocene
tyrannosaurus
Tyrannosaurus rex
tyrannosaur
Aptian
New Red Sandstone
semiextinct
insectageddon
Hettangian
Miocene
Paleogene
imperiled
K-T boundary
sleeping language
extinctness
End-Permian Extinction
quenching
expiration
genus Barosaurus
moribund
order Ictodosauria
Lazarus taxon
volutite
Furongian
Ictodosauria
paleozoological
suborder Pachycephalosaurus
paleoecologically
paleogeographic
consummation
didine
genus Coelophysis
Barremian