extinctor
die out
die off
sunk
ruined
done for
washed-up
undone
extinction level event
extinction event
semiextinct
expiration
semiextinction
extinctness
extinctionist
extinctic
existential
extinctively
didine
go out
imperiled
sleeping language
endangered
stabilomorphism
nonextinction
de-extinctioned
extinctual
coextinction
end-Triassic mass extinction
extinguish
End-Permian Extinction
big five
Great Dying
Permian-Triassic mass extinction
quenching
mylodontid
threatened species
kill off
apocalyptical
dinocerate
endangered species
paleohabitat
paleoecology
crash
speciocide
extinct
paleoethology
extirpated
wall
peri-apocalyptic
necrofauna
thing of the past
Lazarus taxon
de-extinction
mass extinction
eosauropterygian
unextinct
flame out
condylarthran
Latimeridae
Triassic-Jurassic extinction event
family Gomphotheriidae
Gomphotheriidae
family Latimeridae
stabilomorph
omnicide
existential risk
endemism
mammaliamorph
conservation biology
unbreed
apocalyptism
insectageddon
age of extinction
end-Cretaceous
ecoevolutionary
neologian
pyrothere
ecoepidemic
defaunation
pralaya
de-extinct
creaturelessness
ecodisaster
eco-apocalypse
ecomorphospace
great auk
pterodactyl
terracide
phytosaurian
relict
xenocide
Miami
adapisoricid
volutite
anthropocenic
ecocycle
feral