Phanerozoic
Cenozoic
Phanerozoic Cenozoic
Quaternary
Phanerozoic Cenozoic Quaternary
Holocene
Phanerozoic Cenozoic Quaternary Holocene
Pleistocene
Phanerozoic Cenozoic Quaternary Pleistocene
Calabrian
Phanerozoic Cenozoic Quaternary Pleistocene Calabrian
Tertiary
Phanerozoic Cenozoic Tertiary
Tertiary-Neogene
Phanerozoic Cenozoic Tertiary-Neogene
Pliocene
Phanerozoic Cenozoic Tertiary Pliocene
Phanerozoic Cenozoic Tertiary-Neogene Pliocene
Late-Pliocene
Phanerozoic Cenozoic Tertiary Late-Pliocene
Phanerozoic Cenozoic Tertiary-Neogene Late-Pliocene
Piacenzian
Phanerozoic Cenozoic Tertiary Pliocene Piacenzian
Phanerozoic Cenozoic Tertiary-Neogene Late-Pliocene Piacenzian
Phanerozoic Cenozoic Tertiary Late-Pliocene Piacenzian
Early-Pliocene
Phanerozoic Cenozoic Tertiary Early-Pliocene
Phanerozoic Cenozoic Tertiary-Neogene Early-Pliocene
Zanclean
Phanerozoic Cenozoic Tertiary Pliocene Zanclean
Phanerozoic Cenozoic Tertiary-Neogene Early-Pliocene Zanclean
Phanerozoic Cenozoic Tertiary Early-Pliocene Zanclean
Miocene
Phanerozoic Cenozoic Tertiary Miocene
Phanerozoic Cenozoic Tertiary-Neogene Miocene
Late-Miocene
Phanerozoic Cenozoic Tertiary Late-Miocene
Phanerozoic Cenozoic Tertiary-Neogene Late-Miocene
Messinian
Phanerozoic Cenozoic Tertiary Miocene Messinian
Phanerozoic Cenozoic Tertiary-Neogene Late-Miocene Messinian
Phanerozoic Cenozoic Tertiary Late-Miocene Messinian
Tortonian
Phanerozoic Cenozoic Tertiary Miocene Tortonian
Phanerozoic Cenozoic Tertiary-Neogene Late-Miocene Tortonian
Phanerozoic Cenozoic Tertiary Late-Miocene Tortonian
Middle-Miocene
Phanerozoic Cenozoic Tertiary Middle-Miocene
Phanerozoic Cenozoic Tertiary-Neogene Middle-Miocene
Serravallian
Phanerozoic Cenozoic Tertiary Miocene Serravallian
Phanerozoic Cenozoic Tertiary-Neogene Middle-Miocene Serravallian
Phanerozoic Cenozoic Tertiary Middle-Miocene Serravallian
Langhian
Phanerozoic Cenozoic Tertiary Miocene Langhian
Phanerozoic Cenozoic Tertiary-Neogene Middle-Miocene Langhian
Phanerozoic Cenozoic Tertiary Middle-Miocene Langhian
Early-Miocene
Phanerozoic Cenozoic Tertiary Early-Miocene
Phanerozoic Cenozoic Tertiary-Neogene Early-Miocene
Burdigalian
Phanerozoic Cenozoic Tertiary Miocene Burdigalian
Phanerozoic Cenozoic Tertiary-Neogene Early-Miocene Burdigalian
Phanerozoic Cenozoic Tertiary Early-Miocene Burdigalian
Aquitanian
Phanerozoic Cenozoic Tertiary Miocene Aquitanian
Phanerozoic Cenozoic Tertiary-Neogene Early-Miocene Aquitanian
Phanerozoic Cenozoic Tertiary Early-Miocene Aquitanian
Tertiary-Paleogene
Phanerozoic Cenozoic Tertiary-Paleogene
Oligocene
Phanerozoic Cenozoic Tertiary Oligocene
Phanerozoic Cenozoic Tertiary-Paleogene Oligocene
Late-Oligocene
Phanerozoic Cenozoic Tertiary Late-Oligocene
Phanerozoic Cenozoic Tertiary-Paleogene Late-Oligocene
Chattian
Phanerozoic Cenozoic Tertiary Oligocene Chattian
Phanerozoic Cenozoic Tertiary Late-Oligocene Chattian
Phanerozoic Cenozoic Tertiary-Paleogene Late-Oligocene Chattian
Early-Oligocene
Phanerozoic Cenozoic Tertiary Early-Oligocene
Phanerozoic Cenozoic Tertiary-Paleogene Early-Oligocene
Rupelian
Phanerozoic Cenozoic Tertiary Oligocene Rupelian
Phanerozoic Cenozoic Tertiary Early-Oligocene Rupelian
Phanerozoic Cenozoic Tertiary-Paleogene Early-Oligocene Rupelian
Eocene
Phanerozoic Cenozoic Tertiary Eocene
Phanerozoic Cenozoic Tertiary-Paleogene Eocene
Late-Eocene
Phanerozoic Cenozoic Tertiary Late-Eocene
Phanerozoic Cenozoic Tertiary-Paleogene Late-Eocene
Priabonian
Phanerozoic Cenozoic Tertiary Eocene Priabonian
Phanerozoic Cenozoic Tertiary Late-Eocene Priabonian
Phanerozoic Cenozoic Tertiary-Paleogene Late-Eocene Priabonian
Middle-Eocene
Phanerozoic Cenozoic Tertiary Middle-Eocene
Phanerozoic Cenozoic Tertiary-Paleogene Middle-Eocene
Bartonian
Phanerozoic Cenozoic Tertiary Eocene Bartonian
Phanerozoic Cenozoic Tertiary Middle-Eocene Bartonian
Phanerozoic Cenozoic Tertiary-Paleogene Middle-Eocene Bartonian
Lutetian
Phanerozoic Cenozoic Tertiary Eocene Lutetian
Phanerozoic Cenozoic Tertiary Middle-Eocene Lutetian
Phanerozoic Cenozoic Tertiary-Paleogene Middle-Eocene Lutetian
Early-Eocene
Phanerozoic Cenozoic Tertiary Early-Eocene
Phanerozoic Cenozoic Tertiary-Paleogene Early-Eocene
Ypresian
Phanerozoic Cenozoic Tertiary Eocene Ypresian
Phanerozoic Cenozoic Tertiary Early-Eocene Ypresian
Phanerozoic Cenozoic Tertiary-Paleogene Early-Eocene Ypresian
Paleocene
Phanerozoic Cenozoic Tertiary Paleocene
Phanerozoic Cenozoic Tertiary-Paleogene Paleocene
Late-Paleocene
Phanerozoic Cenozoic Tertiary Late-Paleocene
Phanerozoic Cenozoic Tertiary-Paleogene Late-Paleocene
Selandian
Phanerozoic Cenozoic Tertiary Paleocene Selandian
Phanerozoic Cenozoic Tertiary Late-Paleocene Selandian
Phanerozoic Cenozoic Tertiary-Paleogene Late-Paleocene Selandian
Thanetian
Phanerozoic Cenozoic Tertiary Paleocene Thanetian
Phanerozoic Cenozoic Tertiary Late-Paleocene Thanetian
Phanerozoic Cenozoic Tertiary-Paleogene Late-Paleocene Thanetian
Selandian-Thanetian
Phanerozoic Cenozoic Tertiary Paleocene Selandian-Thanetian
Phanerozoic Cenozoic Tertiary Late-Paleocene Selandian-Thanetian
Phanerozoic Cenozoic Tertiary-Paleogene Late-Paleocene Selandian-Thanetian
unnamed
Phanerozoic Cenozoic Tertiary Paleocene unnamed
Phanerozoic Cenozoic Tertiary Late-Paleocene unnamed
Phanerozoic Cenozoic Tertiary-Paleogene Late-Paleocene unnamed
Selandian-unnamed
Phanerozoic Cenozoic Tertiary Paleocene Selandian-unnamed
Phanerozoic Cenozoic Tertiary Late-Paleocene Selandian-unnamed
Phanerozoic Cenozoic Tertiary-Paleogene Late-Paleocene Selandian-unnamed
Early-Paleocene
Phanerozoic Cenozoic Tertiary Early-Paleocene
Phanerozoic Cenozoic Tertiary-Paleogene Early-Paleocene
Danian
Phanerozoic Cenozoic Tertiary Paleocene Danian
Phanerozoic Cenozoic Tertiary Early-Paleocene Danian
Phanerozoic Cenozoic Tertiary-Paleogene Early-Paleocene Danian
Mesozoic
Phanerozoic Mesozoic
Cretaceous
Phanerozoic Mesozoic Cretaceous
Late-Cretaceous
Phanerozoic Mesozoic Cretaceous Late-Cretaceous
Maastrichtian
Phanerozoic Mesozoic Cretaceous Late-Cretaceous Maastrichtian
Campanian
Phanerozoic Mesozoic Cretaceous Late-Cretaceous Campanian
Santonian
Phanerozoic Mesozoic Cretaceous Late-Cretaceous Santonian
Coniacian
Phanerozoic Mesozoic Cretaceous Late-Cretaceous Coniacian
Turonian
Phanerozoic Mesozoic Cretaceous Late-Cretaceous Turonian
Cenomanian
Phanerozoic Mesozoic Cretaceous Late-Cretaceous Cenomanian
Early-Cretaceous
Phanerozoic Mesozoic Cretaceous Early-Cretaceous
Albian
Phanerozoic Mesozoic Cretaceous Early-Cretaceous Albian
Aptian
Phanerozoic Mesozoic Cretaceous Early-Cretaceous Aptian
Neocomian
Phanerozoic Mesozoic Cretaceous Neocomian
Early-Cretaceous-Neocomian
Phanerozoic Mesozoic Cretaceous Early-Cretaceous-Neocomian
Barremian
Phanerozoic Mesozoic Cretaceous Early-Cretaceous Barremian
Phanerozoic Mesozoic Cretaceous Early-Cretaceous-Neocomian Barremian
Phanerozoic Mesozoic Cretaceous Neocomian Barremian
Hauterivian
Phanerozoic Mesozoic Cretaceous Early-Cretaceous Hauterivian
Phanerozoic Mesozoic Cretaceous Early-Cretaceous-Neocomian Hauterivian
Phanerozoic Mesozoic Cretaceous Neocomian Hauterivian
Valanginian
Phanerozoic Mesozoic Cretaceous Early-Cretaceous Valanginian
Phanerozoic Mesozoic Cretaceous Early-Cretaceous-Neocomian Valanginian
Phanerozoic Mesozoic Cretaceous Neocomian Valanginian
Berriasian
Phanerozoic Mesozoic Cretaceous Early-Cretaceous Berriasian
Phanerozoic Mesozoic Cretaceous Early-Cretaceous-Neocomian Berriasian
Phanerozoic Mesozoic Cretaceous Neocomian Berriasian
Jurassic
Phanerozoic Mesozoic Jurassic
Late-Jurassic
Phanerozoic Mesozoic Jurassic Late-Jurassic
Tithonian
Phanerozoic Mesozoic Jurassic Late-Jurassic Tithonian
Kimmeridgian
Phanerozoic Mesozoic Jurassic Late-Jurassic Kimmeridgian
Oxfordian
Phanerozoic Mesozoic Jurassic Late-Jurassic Oxfordian
Middle-Jurassic
Phanerozoic Mesozoic Jurassic Middle-Jurassic
Callovian
Phanerozoic Mesozoic Jurassic Middle-Jurassic Callovian
Bathonian
Phanerozoic Mesozoic Jurassic Middle-Jurassic Bathonian
Bajocian
Phanerozoic Mesozoic Jurassic Middle-Jurassic Bajocian
Aalenian
Phanerozoic Mesozoic Jurassic Middle-Jurassic Aalenian
Early-Jurassic
Phanerozoic Mesozoic Jurassic Early-Jurassic
Toarcian
Phanerozoic Mesozoic Jurassic Early-Jurassic Toarcian
Pliensbachian
Phanerozoic Mesozoic Jurassic Early-Jurassic Pliensbachian
Sinemurian
Phanerozoic Mesozoic Jurassic Early-Jurassic Sinemurian
Hettangian
Phanerozoic Mesozoic Jurassic Early-Jurassic Hettangian
Triassic
Phanerozoic Mesozoic Triassic
Late-Triassic
Phanerozoic Mesozoic Triassic Late-Triassic
Norian
Phanerozoic Mesozoic Triassic Late-Triassic Norian
Carnian
Phanerozoic Mesozoic Triassic Late-Triassic Carnian
Middle-Triassic
Phanerozoic Mesozoic Triassic Middle-Triassic
Ladinian
Phanerozoic Mesozoic Triassic Middle-Triassic Ladinian
Anisian
Phanerozoic Mesozoic Triassic Middle-Triassic Anisian
Early-Triassic
Scythian
Phanerozoic Mesozoic Triassic Early-Triassic Scythian
Paleozoic
Phanerozoic Paleozoic
Permian
Phanerozoic Paleozoic Permian
Late-Permian
Phanerozoic Paleozoic Permian Late-Permian
Tatarian
Phanerozoic Paleozoic Permian Late-Permian Tatarian
Kazanian
Phanerozoic Paleozoic Permian Late-Permian Kazanian
Kazanian-Ufimian
Phanerozoic Paleozoic Permian Late-Permian Kazanian-Ufimian
Ufimian
Phanerozoic Paleozoic Permian Late-Permian Ufimian
Early-Permian
Phanerozoic Paleozoic Permian Early-Permian
Kungurian
Phanerozoic Paleozoic Permian Early-Permian Kungurian
Artinskian
Phanerozoic Paleozoic Permian Early-Permian Artinskian
Sakmarina
Phanerozoic Paleozoic Permian Early-Permian Sakmarina
Sakmarina-Asselian
Phanerozoic Paleozoic Permian Early-Permian Sakmarina-Asselian
Asselian
Phanerozoic Paleozoic Permian Early-Permian Asselian
Carboniferous
Phanerozoic Paleozoic Carboniferous
Late-Carboniferous
Phanerozoic Paleozoic Carboniferous Late-Carboniferous
Carboniferous-Pennsylvanian
Phanerozoic Paleozoic Carboniferous-Pennsylvanian Late-Carboniferous
Phanerozoic Paleozoic Carboniferous-Pennsylvanian
Gzelian
Phanerozoic Paleozoic Carboniferous Late-Carboniferous Gzelian
Kasimovian
Phanerozoic Paleozoic Carboniferous Late-Carboniferous Kasimovian
Gzelian-Kasimovian
Phanerozoic Paleozoic Carboniferous Late-Carboniferous Gzelian-Kasimovian
Phanerozoic Paleozoic Carboniferous-Pennsylvanian Late-Carboniferous Gzelian
Phanerozoic Paleozoic Carboniferous-Pennsylvanian Late-Carboniferous Kasimovian
Phanerozoic Paleozoic Carboniferous-Pennsylvanian Late-Carboniferous Gzelian-Kasimovian
Moscovian
Phanerozoic Paleozoic Carboniferous Late-Carboniferous Moscovian
Phanerozoic Paleozoic Carboniferous-Pennsylvanian Late-Carboniferous Moscovian
Bashkirian
Phanerozoic Paleozoic Carboniferous Late-Carboniferous Bashkirian
Phanerozoic Paleozoic Carboniferous-Pennsylvanian Late-Carboniferous Bashkirian
Early-Carboniferous
Phanerozoic Paleozoic Carboniferous Early-Carboniferous
Carboniferous-Mississippian
Phanerozoic Paleozoic Carboniferous-Mississippian Early-Carboniferous
Phanerozoic Paleozoic Carboniferous-Mississippian
Serpukhovian
Phanerozoic Paleozoic Carboniferous Early-Carboniferous Serpukhovian
Phanerozoic Paleozoic Carboniferous-Mississippian Early-Carboniferous Serpukhovian
Visean
Phanerozoic Paleozoic Carboniferous Early-Carboniferous Visean
Phanerozoic Paleozoic Carboniferous-Mississippian Early-Carboniferous Visean
Tournaisian
Phanerozoic Paleozoic Carboniferous Early-Carboniferous Tournaisian
Phanerozoic Paleozoic Carboniferous-Mississippian Early-Carboniferous Tournaisian
Devonian
Phanerozoic Paleozoic Devonian
Late-Devonian
Phanerozoic Paleozoic Devonian Late-Devonian
Famennian
Phanerozoic Paleozoic Devonian Late-Devonian Famennian
Frasnian
Phanerozoic Paleozoic Devonian Late-Devonian Frasnian
Middle-Devonian
Phanerozoic Paleozoic Devonian Middle-Devonian
Givetian
Phanerozoic Paleozoic Devonian Middle-Devonian Givetian
Eifelian
Phanerozoic Paleozoic Devonian Middle-Devonian Eifelian
Early-Devonian
Phanerozoic Paleozoic Devonian Early-Devonian
Emsian
Phanerozoic Paleozoic Devonian Early-Devonian Emsian
Siegenian
Phanerozoic Paleozoic Devonian Early-Devonian Siegenian
Gedinnian
Phanerozoic Paleozoic Devonian Early-Devonian Gedinnian
Silurian
Phanerozoic Paleozoic Silurian
Late-Silurian
Phanerozoic Paleozoic Silurian Late-Silurian
Pridolian
Phanerozoic Paleozoic Silurian Late-Silurian Pridolian
Ludlovian
Phanerozoic Paleozoic Silurian Late-Silurian Ludlovian
Early-Silurian
Phanerozoic Paleozoic Silurian Early-Silurian
Wenlockian
Phanerozoic Paleozoic Silurian Early-Silurian Wenlockian
Llandoverian
Phanerozoic Paleozoic Silurian Early-Silurian Llandoverian
Ordovician
Phanerozoic Paleozoic Ordovician
Late-Ordovician
Phanerozoic Paleozoic Ordovician Late-Ordovician
Ashgillian
Phanerozoic Paleozoic Ordovician Late-Ordovician Ashgillian
Caradocian
Phanerozoic Paleozoic Ordovician Late-Ordovician Caradocian
Middle-Ordovician
Phanerozoic Paleozoic Ordovician Middle-Ordovician
Llandeilan
Phanerozoic Paleozoic Ordovician Middle-Ordovician Llandeilan
Llanvirinian
Phanerozoic Paleozoic Ordovician Middle-Ordovician Llanvirinian
Early-Ordovician
Phanerozoic Paleozoic Ordovician Early-Ordovician
Arenigian
Phanerozoic Paleozoic Ordovician Early-Ordovician Arenigian
Tremadocian
Phanerozoic Paleozoic Ordovician Early-Ordovician Tremadocian
Cambrian
Phanerozoic Paleozoic Cambrian
Late-Cambrian
Phanerozoic Paleozoic Cambrian Late-Cambrian
Trempealeauan
Phanerozoic Paleozoic Cambrian Late-Cambrian Trempealeauan
Franconian
Phanerozoic Paleozoic Cambrian Late-Cambrian Franconian
Dresbachian
Phanerozoic Paleozoic Cambrian Late-Cambrian Dresbachian
Trempealeauan-Franconian
Phanerozoic Paleozoic Cambrian Late-Cambrian Trempealeauan-Franconian
Trempealeauan-Dresbachian
Phanerozoic Paleozoic Cambrian Late-Cambrian Trempealeauan-Dresbachian
Trempealeauan-Franconian-Dresbachian
Phanerozoic Paleozoic Cambrian Late-Cambrian Trempealeauan-Franconian-Dresbachian
Franconian-Dresbachian
Phanerozoic Paleozoic Cambrian Late-Cambrian Franconian-Dresbachian
Middle-Cambrian
Phanerozoic Paleozoic Cambrian Middle-Cambrian
Early-Cambrian
Phanerozoic Paleozoic Cambrian Early-Cambrian
preCambrian
preCambrian-Proterozoic
Proterozoic
Late-Proterozoic
Proterozoic Late-Proterozoic
Middle-Proterozoic
Proterozoic Middle-Proterozoic
Late-Middle-Proterozoic
Proterozoic Middle-Proterozoic Late-Middle-Proterozoic
Middle-Middle-Proterozoic
Proterozoic Middle-Proterozoic Middle-Middle-Proterozoic
Early-Middle-Proterozoic
Proterozoic Middle-Proterozoic Early-Middle-Proterozoic
Early-Proterozoic
Proterozoic Early-Proterozoic
Late-Early-Proterozoic
Proterozoic Early-Proterozoic Late-Early-Proterozoic
Middle-Early-Proterozoic
Proterozoic Early-Proterozoic Middle-Early-Proterozoic
Early-Early-Proterozoic
Proterozoic Early-Proterozoic Early-Early-Proterozoic
Archean
preCambrian-Archean
Late-Archean
Archean Late-Archean
Middle-Archean
Archean Middle-Archean
Early-Archean
Archean Early-Archean
preCambrian-Hadean
Hadean