article: GSSP
links: Quaternary Dobrogea Younger Dryas Rhyacian Eoarchaean Palaeoproterozoic Palaeocene Radiometric dating Mesozoic Sicily Plankton United States Siderian Neoproterozoic Middle Triassic Foraminifera Austria Lower Triassic Precambrian United Kingdom Carboniferous Triassic South Australia England Czech Republic Cambrian Palaeozoic France Permian Newfoundland and Labrador Nevada Jurassic Provence Ordovician Cryogenian Oligocene Holocene Ediacaran Proterozoic Iridium Hautes-Alpes Romania Kazakhstan Palaeoarchaean Devonian Mesoarchaean Luxor Miocene Cainozoic Palaeogene Neoarchaean Mesoproterozoic Upper Triassic Calcareous Carrosio Orosirian Lower Cretaceous Greenland Egypt Middle Jurassic Canada Pliocene Stage (stratigraphy) Calymmian Fortune Head Tonian Pleistocene Tunisia Ammonite Stenian Silurian Ancona Zhejiang Dolomites Neogene Spain Graptolite Cretaceous Phanerozoic Flinders Ranges Ectasian Lower Jurassic Ural Mountains Mississippian Prague Statherian Upper Jurassic Guizhou Eocene Fossil Upper Cretaceous China Italy Archaean Dorset Conodont Hadean Pennsylvanian