Main timescales

• International Chronostratigraphic Timescale
• Cenozoic Subepochs
• Obsolete Names for ICS Units
• Ten Million Year Bins

Additional global timescales

• Mesozoic Subages
• Cretaceous Subepochs
• Carboniferous Subepochs
• Devonian Subages
• Cambrian Epochs

Regional timescales

• European Faunal Units
• European Faunal Zones
• Mammal Paleogene Zones
• Cenozoic Subepochs of Southern Europe
• Central Paratethys Stages
• Neogene Mammal Ages of China
• Paleogene Mammal Ages of Asia
• North American Land Mammal Ages
• North American Mammal Subages/Zones
• South American Land Mammal Ages
• Cretaceous North American Land-Mammal Ages
• Ammonite Chrons of Northwest Europe
• Ammonite Chrons of North America
• Permian of the Russian Platform
• Permian of the Pamirs
• Permo-Triassic Subages of Eastern Europe
• Permian Subages of Germany
• Permian of Western Europe
• Permian of the Salt Range
• Permian of China
• Permian of North America
• Carbo-Permian of the Russian Platform
• Carboniferous of Western Europe
• Carboniferous of China
• Obsolete Carboniferous Ages of China
• Carboniferous of North America
• Devonian of France
• Devonian of Germany
• Devonian of Czechoslovakia
• Devonian of Eastern North America
• Silurian of the Baltic
• Silurian Ages of Europe
• Silurian of England
• Silurian of North America
• Ordovician of Britain
• Ordovician of the Baltic
• Ordovician of Ibero-Bohemia
• Ordovician of Australia
• Ordovician of China
• Ordovician of North America
• Cambrian of China
• Cambrian of Australia
• Cambrian of Siberia
• Cambrian of Kazakhstan
• Cambrian of North America
• Cambrian of West Avalonia
• Cambrian of Britain
• Precambrian of Russia
• Obsolete Precambrian Ages

New Zealand timescales

• Cretaceous-Cenozoic of New Zealand
• Permian-Jurassic of New Zealand