Permian-Triassic extinction
Guadalupian
Triassic-Jurassic extinction event
Siderian
Lopingian
Permian-Triassic mass extinction
Great Dying
Ectasian
Tonian
Rhyacian
coal gap
Carboniferous period
Carboniferous
Paleozoic era
Phanerozoic
Paleozoic
Cisuralian
volcanotectonic
Zechstein
Miocene
paleovolcanology
vulcanise
Cryogenian
Orosirian
Triassic period
Triassic
vulcanize
Devonian
Permo-Carboniferous
Mesozoic era
Age of Reptiles
End-Permian Extinction
Mesozoic
Stenian
Sakmarian
Ediacaran
Smithian
Wordian
Wuchiapingian
Kungurian
Asselian
Changhsingian
Capitanian
Artinskian
Roadian
Paleoproterozoic
Precambrian aeon
Precambrian eon
New Red Sandstone
Precambrian
Precambrian period
Jurassic
Calymmian
Phanerozoic aeon
Permian
Phanerozoic eon
Statherian
malapi
Eocene
-cene
cryogenesis
paleovolcano
volcanotectonics
Wenlock
Coniacian
volcanogenic
recent
Stennian
Cenomanian
volcanogenically
Messinian salinity crisis
preperoxisomal
Mount Pinatubo
Tertiary period
age of extinction
Ordovician
Permian period
posteruption
Aquitanian
Pinatubo
Tertiary
archicontinent
Mesoarchean
Ludlow
Palaeophytic
anomalistic year
dinosaur
Tithonian
Hadean
Furongian
neovolcanic
hylaeosaurus
tertiary
volcanic
Carnian
neoglaciation