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