extinction event
extinction level event
extinctic
extinctor
extinctual
end-Triassic mass extinction
existential
extinctionist
ruined
sunk
undone
done for
washed-up
semiextinction
Permian-Triassic mass extinction
Great Dying
die off
die out
extinctness
imperiled
extinctively
End-Permian Extinction
semiextinct
stabilomorphism
endangered
omnicide
extinguish
nonextinction
expiration
endangered species
stabilomorph
quenching
big five
didine
end-Cretaceous
insectageddon
threatened species
sleeping language
apocalyptical
extinct
mylodontid
go out
dinocerate
coextinction
Triassic-Jurassic extinction event
paleohabitat
mass extinction
slaughter
speciocide
Lazarus taxon