Permian-Triassic mass extinction
Great Dying
End-Permian Extinction
end-Triassic mass extinction
semiextinction
extinction level event
extinction event
paleohabitat
semiextinct
peradectid
Triassic-Jurassic extinction event
extinctively
permineralized
percrocutid
dinocerate
stabilomorphism
Permian-Triassic extinction
expiration
quenching
mylodontid
extinctor
fossiliferously
periptychid
subclass Synapsida
prefossilization
Synapsida
periosteoblastic
sleeping language
perithecial
permineralize
extinctionist
perianthal
relict
extinctual
perigeal
periost
archaeophyta
peramurid
fossilological
phytosaurian
paleoecologic
paleoecology
pareiasaurian
cimolestid
didine
Lazarus taxon
circumintestinal
nonfossilized
perimorphism
stabilomorph