Index chronologique
- Aalenian
- Albian
- Alportian
- Aptian
- Archean
- Arenig
- Arnsbergian
- Ashgill
- Bajocian
- Bartonian
- Bashkirian
- Cambrian
- Campanian
- Caradoc
- Carboniferous
- Cenomanian
- Cenozoic
- Chattian
- Chokierian
- Coniacian
- Cretaceous
- Cryogenian
- Danian
- Devonian
- Dinantian
- Ediacaran
- Eifelian
- Emsian
- Eocene
- Famennian
- Frasnian
- Givetian
- Gorstian
- Hastarian
- Hettangian
- Holocene
- Homerian
- Ivorian
- Jurassic
- Kasimovian
- Kinderscoutian
- Livian
- Llandovery
- Llanvirn
- Lochkovian
- Lower Cambrian
- Lower Cretaceous
- Lower Devonian
- Lower Jurassic
- Lower Ordovician
- Lower Triassic
- Ludlow
- Lutetian
- Maastrichtian
- Marsdenian
- Mesoproterozoic
- Mesozoic
- Middle Cambrian
- Middle Devonian
- Middle Jurassic
- Middle Ordovician
- Middle Pleistocene
- Middle Triassic
- Miocene
- Mississippian
- Moliniacian
- Moscovian
- Namurian
- Neoarchean
- Neogene
- Neoproterozoic
- Oligocene
- Ordovician
- Paleocene
- Paleogene
- Paleoproterozoic
- Paleozoic
- Pendleian
- Pennsylvanian
- Permian
- Phanerozoic
- Pleistocene
- Pliensbachian
- Pliocene
- Pragian
- Precambrian
- Priabonian
- Pridoli
- Proterozoic
- Quaternary
- Rhaetian
- Rhuddanian
- Rupelian
- Santonian
- Selandian
- Serpukhovian
- Silesian
- Silurian
- Sinemurian
- Strunian
- Thanetian
- Toarcian
- Tonian
- Tournaisian
- Tremadocian
- Triassic
- Turonian
- Upper Cambrian
- Upper Carboniferous
- Upper Cretaceous
- Upper Devonian
- Upper Jurassic
- Upper Ordovician
- Upper Pleistocene
- Upper Triassic
- Urgonian
- Visean
- Warnantian
- Wenlock
- Westphalian
- Yeadonian
- Ypresian