Zonation schemes: Eocene foraminifera Berggren et al. 1995 international stratigraphic chart 2000 International stratigraphic chart 2004 lithostratigraphic framework of England and Wales Miocene (sub)tropical foraminifera Berggren et al. 1995 Miozene transitional foraminifera Berggren et al. 1995 Oligocene (sub)tropical foraminifera Berggren e al. 1995 Paleocene foraminifera Berggren et al. 1995 Plio- Pleistocene (sub)tropical foramninifera Berggren et al. 1995 Plio- Pleistocene Indo-Pacific foraminifera Berggren et al. 1995 Phanerozoic Cenozoic Quarternary Holocene Pleistocene Neogene Pliocene Gelasian Piacenzian Zanclean Messinian Tortonian Serravallian Langhian Burdigalian Aquitanian Paleogene Oligocene Chattian Rupelian Eocene Priabonian Bartonian Lutetian Ypresian Paleocene Thanetian Selandian Danian Mesozoic Cretaceous Upper/Late Cretaceous Maastrichtian Campanian Santonian Coniacian Turonian Cenomanian Lower/Early Cretaceous Albian Aptian Barremian Hauterivian Valanginian Berriasian Jurassic Upper/Late Jurassic Tithonian Kimmeridgian Oxfordian Middle Jurassic Callovian Bathonian Bajocian Aalenian Lower/Early Jurassic Toarcian Pliensbachian Sinemurian Hettangian Triassic Upper/Late Triassic Rhaetian Norian Carnian Middle Triassic Ladinian Aniasian Lower/Early Triassic Olenekian Indunian Paleozoic Permian Lopingian Changhsingian Wuchiapigian Guadalupian Capitanian Wordian Roadian Cisuralian Kungurian Artinskian Sakmarian Asselian Carboniferous Pennsylvanian Gzhelian Kazimovian Moscovian Bashkirian Mississippian Sepukhovian Visean Tournaisian Devonian Upper/Late Devonian Famennian Frasnian Middle Devonian Givetian Eifelian Lower/Early Devonian Emsian Pragian Lochkovian Silurian Priduli Ludlow Ludfordian Gorstian Wenlock Homerian Sheinwoodian Llandovery Telychian Aeronian Rhuddanian Ordovician Upper/Late Ordovician Middle Ordovician Darriwilian   Lower/Early Ordovician   Tremadocian Cambrian Upper/Late Cambrian Middle Cambrian Lower/Early Cambrian Precambrian Proterozoic Neoproterozoic Neoproterozoic III Cryogenian Tonian Mesoproterozoic Stenian Ectasian Calymmian Paleoproterozoic Statherian Orosian Rhyacian Siderian Archean Neoarchean Mesoarchean Paleoarchean Eoarchean