LIST E - GEOLOGIC AGE (STRATIGRAPHIC) TERMS - ALPHABETICAL LIST Age Unit Broader Term Age Unit Broader Term Aalenian Middle Jurassic Brunhes Chron upper Quaternary Acadian Cambrian Bull Lake Glaciation upper Quaternary Acheulian Paleolithic Bunter Lower Triassic Adelaidean Proterozoic Burdigalian lower Miocene Aeronian Llandovery Calabrian lower Pleistocene Aftonian lower Pleistocene Callovian Middle Jurassic Akchagylian upper Pliocene Calymmian Mesoproterozoic Albian Lower Cretaceous Cambrian Paleozoic Aldanian Lower Cambrian Campanian Upper Cretaceous Alexandrian Lower Silurian Capitanian Guadalupian Algonkian Proterozoic Caradocian Upper Ordovician Allerod upper Weichselian Carboniferous Paleozoic Altonian lower Miocene Carixian Lower Jurassic Ancylus Lake lower Holocene Carnian Upper Triassic Anglian Quaternary Carpentarian Paleoproterozoic Anisian Middle Triassic Castlecliffian Pleistocene Aphebian Paleoproterozoic Cayugan Upper Silurian Aptian Lower Cretaceous Cenomanian Upper Cretaceous Aquitanian lower Miocene *Cenozoic Aragonian Miocene Central Polish Glaciation Pleistocene Archean Precambrian Chadronian upper Eocene Arenigian Lower Ordovician Chalcolithic Cenozoic Argovian Upper Jurassic Champlainian Middle Ordovician Arikareean Tertiary Changhsingian Lopingian Ariyalur Stage Upper Cretaceous Chattian upper Oligocene Artinskian Cisuralian Chazyan Middle Ordovician Asbian Lower Carboniferous Chesterian Upper Mississippian Ashgillian Upper Ordovician Cimmerian Pliocene Asselian Cisuralian Cincinnatian Upper Ordovician Astian upper Pliocene Cisuralian Lower Permian Atdabanian Lower Cambrian Clarendonian Miocene Atlantic Holocene Clarkforkian upper Paleocene Atokan Middle Pennsylvanian Clovis Quaternary Aurignacian Paleolithic *Coal Measures Autunian Lower Permian Comanchean Cretaceous Auversian upper Eocene Coniacian Upper Cretaceous Avonian Carboniferous Cordevolian Triassic Awamoan lower Miocene Couvinian Middle Devonian Badenian middle Miocene Cretaceous Mesozoic Bajocian Middle Jurassic Cromerian upper Pleistocene Bala Ordovician Cryogenian Neoproterozoic Barakar Stage Lower Permian Cuisian lower Eocene Barrandian Middle Cambrian Culm Carboniferous Barremian Lower Cretaceous Dacian Pliocene Barstovian Miocene *Dalradian Bartonian middle Eocene Danian lower Paleocene Bashkirian Lower Pennsylvanian Danube Stade lower Pleistocene Bathonian Middle Jurassic Dapingian Middle Ordovician Berriasian Lower Cretaceous Darriwilian Middle Ordovician Biarritzian Eocene Deseadan middle Tertiary Birimian Paleoproterozoic Desmoinesian Middle Pennsylvanian Blackriverian Middle Ordovician Devensian upper Pleistocene Blancan Cenozoic Devonian Paleozoic Bolling upper Weichselian Dinantian Lower Carboniferous Boreal Holocene Dittonian Lower Devonian Brandenburg Stade Weichselian Dogger Middle Jurassic Brandon Stade Weichselian Domerian Lower Jurassic Bridgerian Eocene Downtonian Paleozoic Brioverian Neoproterozoic Dresbachian Upper Cambrian Bronze Age Cenozoic Ectasian Mesoproterozoic Edenian Upper Ordovician *Does not autopost. 2 LIST E - GEOLOGIC AGE (STRATIGRAPHIC) TERMS - ALPHABETICAL LIST Age Unit Broader Term Age Unit Broader Term Ediacaran Neoproterozoic Karpatian lower Miocene Eemian upper Pleistocene Kasimovian Upper Pennsylvanian Egerian upper Oligocene Katian Upper Ordovician Eggenburgian lower Miocene Kazanian Upper Permian Eifelian Middle Devonian Kellwasser event Upper Devonian Elsterian middle Pleistocene Keuper Upper Triassic Emsian Lower Devonian Keweenawan Proterozoic Eoarchean Archean Kiaman Superchron upper Paleozoic Eocambrian Precambrian Kimmeridgian Upper Jurassic Eocene Paleogene Kinderhookian Lower Mississippian Famennian Upper Devonian Kungurian Permian Flandrian Holocene Ladinian Middle Triassic Floian Lower Ordovician Landenian upper Paleocene Fortunian Terreneuvian Langhian middle Miocene Francevillian Paleoproterozoic Lattorfian upper Eocene Frankfurt Stade Weichselian Laxfordian Mesoproterozoic Fraser Glaciation upper Wisconsinan Leonardian Lower Permian Frasnian Upper Devonian Levalloisian Paleolithic Furongian Upper Cambrian Levantinian upper Pliocene Gargasian Lower Cretaceous Lewisian Proterozoic Gauss Chron Pliocene Litorina Sea lower Holocene Gedinnian Lower Devonian Llandeilian Middle Ordovician Gelasian lower Pleistocene Llandovery Lower Silurian Gilbert Chron lower Pliocene Llanvirnian Middle Ordovician Givetian Middle Devonian Loch Lomond Stade Weichselian Gorstian Ludlow Lochkovian Lower Devonian Griesbachian Lower Triassic Lopingian Upper Permian Guadalupian Permian Lotharingian Lower Jurassic Gulfian Upper Cretaceous lower Albian Albian Gunz Pleistocene lower Aptian Aptian Gzhelian Upper Pennsylvanian lower Badenian Badenian Hadean Precambrian Lower Cambrian Cambrian Hadrynian Neoproterozoic lower Campanian Campanian Harlech Stage Lower Cambrian Lower Carboniferous Carboniferous Haumurian Upper Cretaceous lower Cenomanian Cenomanian Hauterivian Lower Cretaceous lower Cenozoic Cenozoic Helderbergian Lower Devonian lower Coniacian Coniacian Helikian Mesoproterozoic Lower Cretaceous Cretaceous Helvetian middle Miocene Lower Devonian Devonian Hemingfordian lower Miocene lower Eocene Eocene Hemphillian Neogene lower Famennian Famennian Hettangian Lower Jurassic lower Frasnian Frasnian Hirnantian Upper Ordovician lower Holocene Holocene Holocene Quaternary Lower Jurassic Jurassic Holsteinian upper Pleistocene lower Kimmeridgian Kimmeridgian Homerian Wenlock lower Liassic Lower Jurassic Hoxnian upper Pleistocene lower Maestrichtian Maestrichtian Huronian Proterozoic lower Mesozoic Mesozoic Ibexian Lower Ordovician lower Miocene Miocene Ilerdian Paleogene Lower Mississippian Mississippian Illinoian upper Pleistocene lower Muschelkalk Muschelkalk Induan Lower Triassic lower Oligocene Oligocene Infracambrian Neoproterozoic Lower Ordovician Ordovician Ipswichian upper Pleistocene lower Oxfordian Oxfordian Iron Age Cenozoic lower Paleocene Paleocene Irvingtonian Pleistocene lower Paleogene Paleogene Jacksonian Eocene lower Paleolithic Paleolithic Jaramillo Subchron lower Pleistocene lower Paleozoic Paleozoic Jiangshanian Furongian Lower Pennsylvanian Pennsylvanian Jotnian Neoproterozoic Lower Permian Permian Jurassic Mesozoic lower Pleistocene Pleistocene K-T boundary lower Paleocene and Upper lower Pliocene Pliocene Cretaceous lower Quaternary Quaternary Kansan lower Pleistocene Lower Silurian Silurian Karelian Paleoproterozoic lower Tertiary Tertiary Karharbari Stage Upper Carboniferous lower Toarcian Toarcian *Does not autopost. LIST E - GEOLOGIC AGE (STRATIGRAPHIC) TERMS - ALPHABETICAL LIST 3 Age Unit Broader Term Age Unit Broader Term Lower Triassic Triassic Mousterian middle Paleolithic lower Turonian Turonian Muschelkalk Middle Triassic lower Wisconsinan Wisconsinan Namurian Carboniferous Ludfordian Ludlow Narizian Eocene Ludian upper Eocene Nebraskan lower Pleistocene Ludlow Upper Silurian Neoarchean Archean Luisian middle Miocene Neocomian Lower Cretaceous Lusitanian Upper Jurassic Neogene Tertiary Lutetian middle Eocene Neoglacial Holocene Maestrichtian Upper Cretaceous Neohelikian Helikian Magdalenian Paleolithic Neolithic Stone Age and Holocene Malm Upper Jurassic Neoproterozoic Proterozoic Marinoan Neoproterozoic Niagaran Silurian Matuyama Chron upper Cenozoic Norian Upper Triassic Maysvillian Cincinnatian Nukumaruan Cenozoic Medieval Warm Period Holocene Older Dryas upper Weichselian Meotian upper Miocene Oldest Dryas Weichselian Meramecian Upper Mississippian Olduvai Subchron lower Pleistocene Mesoarchean Archean Olenekian Lower Triassic Mesolithic Stone Age and Holocene Oligocene Paleogene Mesoproterozoic Proterozoic Ordovician Paleozoic *Mesozoic Osagian Lower Mississippian Messinian upper Miocene Ottnangian lower Miocene Middle Ages Holocene Oxfordian Upper Jurassic Middle Cambrian Cambrian Paibian Furongian Middle Carboniferous Carboniferous Paleoarchean Archean middle Cenozoic Cenozoic Paleocene Paleogene Middle Cretaceous Cretaceous Paleocene-Eocene Therm- Paleogene Middle Devonian Devonian al Maximum middle Eocene Eocene Paleogene Tertiary middle Holocene Holocene Paleolithic Stone Age Middle Jurassic Jurassic Paleoproterozoic Proterozoic middle Liassic Lower Jurassic *Paleozoic middle Mesozoic Mesozoic Pannonian upper Miocene middle Miocene Miocene Pennsylvanian Carboniferous Middle Mississippian Mississippian Permian Paleozoic middle Oligocene Oligocene Permian-Triassic Upper Permian and Lower Middle Ordovician Ordovician boundary Triassic middle Oxfordian Oxfordian Perth Stade Weichselian middle Paleocene Paleocene *Phanerozoic middle Paleolithic Paleolithic Piacenzian upper Pliocene middle Paleozoic Paleozoic Pinedale Glaciation upper Quaternary Middle Pennsylvanian Pennsylvanian Plaisancian lower Pliocene Middle Permian Permian Pleistocene Quaternary middle Pleistocene Pleistocene Pliensbachian Lower Jurassic middle Pliocene Pliocene Pliocene Neogene middle Precambrian Precambrian Pontian upper Miocene middle Quaternary Quaternary Portlandian Upper Jurassic Middle Silurian Silurian Pragian Lower Devonian middle Tertiary Tertiary Preboreal Holocene Middle Triassic Triassic *Precambrian middle Turonian Turonian Priabonian upper Eocene middle Wisconsinan Wisconsinan Pridoli Upper Silurian Mindel Pleistocene Proterozoic upper Precambrian Mindel/Riss Interglacial Pleistocene Puercan lower Paleocene Miocene Neogene Purbeckian Lower Cretaceous *MIS 11 Quaternary Cenozoic Mississippian Carboniferous Rancholabrean upper Pleistocene Missourian Upper Pennsylvanian Rauracian Upper