Zanclean flood
Messinian salinity crisis
Pennsylvanian period
Pennsylvanian
Upper Carboniferous
Upper Carboniferous period
palaeosalinity
desertification
Oligocene
Furongian
Maastrichtian
Late Bronze Age collapse
palaeoclimatology
super-Niño
paleoclimatology
Miocene
Piacenzian
prezygotically
old days
paleolongitude
recent
euxinia
palaeothermometry
paleolatitude
prezygotic
El Niño
Calymmian
Hesperian
postpliocene
paleoseasonality
Mesogean
Dark Ages
palaeoequator
Siderian
periodontally
Eocene
Statherian
tectonized
allochronic
pliothermic
cosmological redshift
Zealandia
Permian
Iapetus
Pleistocene
Pleistocene epoch
Atlantification
Glacial epoch
epochwise
palaeogeochemistry
plate tectonics
paleoenvironment
periodontal
tectonomorphological
Amazonian
Mycenaean
paleotrophodynamics
Downtonian
age
Bronze Age collapse
olden
cataclysm
Carboniferous period
paleodepth
Carboniferous
Bond event
Neogene
ab aeterno
continental drift
neoglaciation
posthercynian
Plantationocene
archaeoclimatic
geologically
Neoarchean
deep time
Ur
Third Intermediate Period
anthropocenic
Magna Graecia
paleoenvironmental
Phanerozoic
palaeoshoreline
Ectasian
Ypresian
Saale glaciation
Tethys
seafloor spreading
Precambrian period
Pliocene
Young Earth creationism
Nectarian
Precambrian eon
catastrophe
Cenozoic
Precambrian
Precambrian aeon
upper boundary