extinctual
extinctic
extinctor
extinction event
extinction level event
end-Triassic mass extinction
existential
extinctness
semiextinct
endangered
extinctively
semiextinction
die out
imperiled
quenching
die off
extinctionist
extinct
undone
ruined
sunk
washed-up
done for
didine
sleeping language
nonextinction
mylodontid
expiration
Great Dying
End-Permian Extinction
Permian-Triassic mass extinction
end-Cretaceous
go out
threatened species
tsunamic
phylogenomic
big five
omnicide
extinguish
extinction
ruinlike
kill off
mass extinction event
killer
ophiological
endangered species
paleobiological
apocalyptic
coextinction
thing of the past