 Geological Time Scale Index of the Fossil Collection at the American Museum of Natural History | |||||||
|---|---|---|---|---|---|---|---|
M.Y.A. | PERIOD | EPOCH | AGE | NA Land Mammal Ages | SA Land Mammal Ages | Asian Land Mammal Ages | European Land Mammal Ages |
| 0 | RECENT20 localities | ||||||
| 0.1 | Quaternary926 localities | Pleistocene737 localities | . | Rancholabrean1 localities | Lujanian1 localities | Salawusuian0 localities | Oldenburgian0 localities |
| . | Neogene1846 localities | Irvingtonian95 localities | Zhoukoudianian0 localities | Biharian2 localities | |||
| . | Calabrian0 localities | Ensenadan0 localities | Nihewanian0 localities | ||||
| . | Villafranchian19 localities | ||||||
| 1.77 | Pliocene284 localities | Piacenzian0 localities | Blancan121 localities | Uquian0 localities | Yushean0 localities | ||
| . | Zanclean0 localities | Chapadamlalan0 localities | Ruscinian12 localities | ||||
| . | Montehermosan0 localities | ||||||
| 5.32 | Miocene3259 localities | Messinian0 localities | Hemphillian328 localities | Baodean0 localities | Turolian123 localities | ||
| . | |||||||
| . | Tortonian0 localities | Huayquerian1 localities | Vallesian19 localities | ||||
| . | Clarendonian0 localities | Chasicoan0 localities | |||||
| . | Mayoan0 localities | ||||||
| . | Serravallian0 localities | Barstovian499 localities | Laventan0 localities | Astaracian0 localities | |||
| . | Tunggurian0 localities | ||||||
| . | Colloncuran0 localities | Orleanian0 localities | |||||
| . | Langhian0 localities | Hemingfordian326 localities | Friasian0 localities | Shanwangian0 localities | |||
| . | Burdigalian0 localities | Santacrucian0 localities | |||||
| . | |||||||
| . | Arikareean176 localities | Colhuehuapian6 localities | Xiejian0 localities | ||||
| . | Aquitanian32 localities | Agenian0 localities | 23.8 | Paleogene1941 localities | Oligocene1032 localities | Chattian18 localities | Deseadan3 localities | Tabenbulukian0 localities | Arvernian0 localities |
| . | Rupelian9 localities | Whitneyan53 localities | Shandgolian0 localities | Suevian0 localities | |||
| . | Orellan204 localities | Tingurirican0 localities | |||||
| 33.7 | Eocene2042 localities | Priabonian0 localities | Chadronian3 localities | Ulanochuian0 localities | Headonian0 localities | ||
| . | Bartonian21 localities | Duschesnean0 localities | Sharamurunian0 localities | Rhenanian0 localities | |||
| . | Uintan53 localities | Divisaderan0 localities | |||||
| . | Lutetian12 localities | Irdinmanhan0 localities | |||||
| . | Bridgerian897 localities | Mustersan1 localities | Arshantan0 localities | ||||
| . | Ypresian0 localities | Bumbanian0 localities | |||||
| . | Wasatchian735 localities | Casamayoran2 localities | Neustrian0 localities | 54.8 | Paleocene447 localities | Thantian0 localities | Clarkforkian97 localities | Riochican7 localities | Gashatan0 localities | Cernaysian0 localities |
| . | Tiffanian68 localities | ||||||
| . | Selandian0 localities | Itaboraian0 localities | Nongshanian0 localities | ||||
| . | |||||||
| . | Danian9 localities | Torrejonian167 localities | Peligran0 localities | ||||
| . | Shanghuan0 localities | Dano-Montian0 localities | |||||
| . | Puercan62 localities | Tiupampan0 localities | |||||
| 65.0 | Cretaceous1737 localities | Late Cretaceous39 localities | Maastrichtian17 localities | ||||
| . | Campanian155 localities | ||||||
| . | Santonian0 localities | ||||||
| . | Coniacian6 localities | ||||||
| . | Turonian2 localities | ||||||
| . | Cenomanian4 localities | ||||||
| 97.5 | Early Cretaceous0 localities | Albian19 localities | |||||
| . | Aptian18 localities | ||||||
| . | Barremian1 localities | ||||||
| . | Hauterivian0 localities | ||||||
| . | Valanginian0 localities | ||||||
| . | Berriasian0 localities | ||||||
| 144.0 | Jurassic456 localities | Late Jurassic4 localities | Tithonian301 localities | ||||
| . | Kimmeridgerian0 localities | ||||||
| . | Oxfordian5 localities | ||||||
| 163.0 | Middle Jurassic1 localities | Callovian0 localities | |||||
| . | Bathonian0 localities | ||||||
| . | Bajocian0 localities | ||||||
| . | Aalenian0 localities | ||||||
| 187.0 | Early Jurassic5 localities | Toarcian0 localities | |||||
| . | Pliensbachian0 localities | ||||||
| . | Sinemurian2 localities | ||||||
| . | Hettangian0 localities | ||||||
| 208.0 | Triassic473 localities | Late Triassic6 localities | Norian3 localities | ||||
| . | Carnian103 localities | ||||||
| 230.0 | Middle Triassic1 localities | Ladinian2 localities | |||||
| . | Anisian1 localities | ||||||
| 240.0 | Early Triassic7 localities | Scythian53 localities | |||||
| 245.0 | Permian1265 localities | Late Permian0 localities | Tatarian0 localities | ||||
| . | Kazanian0 localities | ||||||
| . | Ufimian0 localities | ||||||
| 258.0 | Early Permian1 localities | Kungurian0 localities | |||||
| . | Artinskian6 localities | ||||||
| . | Sakmarian0 localities | ||||||
| . | Asselian0 localities | ||||||
| 286.0 | Carboniferious0 localities | Pennsylvanian100 localities | Gzelian0 localities | ||||
| . | Kasimovian0 localities | ||||||
| . | Moscovian0 localities | ||||||
| . | Bashkirian0 localities | ||||||
| 320.0 | Mississippian91 localities | Serpukhovian0 localities | |||||
| . | Visean1 localities | ||||||
| . | Tournaisian1 localities | ||||||
| 360.0 | Devonian67 localities | Late Devonian1 localities | Famennian3 localities | ||||
| . | Frasnian0 localities | ||||||
| 374.0 | Middle Devonian0 localities | Givetian1 localities | |||||
| . | Eifelian0 localities | ||||||
| 387.0 | Early Devonian0 localities | Emsian0 localities | |||||
| . | Siegenian1 localities | ||||||
| . | Gedinnian0 localities | ||||||
| 408.0 | Silurian0 localities | Late Silurian0 localities | Pridolian0 localities | ||||
| . | Ludlovian0 localities | ||||||
| 421.0 | Early Silurian0 localities | Wenlockian0 localities | |||||
| . | Llandoverian0 localities | ||||||
| 438.0 | Ordovician0 localities | Late Ordovician0 localities | Ashgillian0 localities | ||||
| . | Caradocian0 localities | ||||||
| 458.0 | Middle Ordovician0 localities | Llandeilan0 localities | |||||
| . | Llanvirnian0 localities | ||||||
| 478.0 | Early Ordovician0 localities | Arenigian0 localities | |||||
| . | Tremadocian0 localities | ||||||
| 505.0 | Cambrian0 localities | Late Cambrian0 localities | Trempealeauan0 localities | ||||
| . | Franconian0 localities | ||||||
| . | Dresbachian0 localities | ||||||
| 523.0 | Middle Cambrian0 localities | . | |||||
| 570.0 | Early Cambrian0 localities | . | |||||
Based on Palmer, A.R. (comp.), 1983, The decade of North American geology 1983 geological time scale: Geology, v. 11, p.504 and Mckenna,M.C. and Bell, S.K. (comp.) 1997, Classification of Mammals Above the Species Level Columbia University Press, fig. 1 | |||||||
