PBDB Timescale

Ten Million Year Bins

The interval definitions in this timescale are derived from the following source:

J. A. Lillegraven and M. C. McKenna. 1986. Fossil mammals from the "Mesaverde" Formation (Late Cretaceous, Judithian) of the Bighorn and Wind River basins, Wyoming, with definitions of Late Cretaceous North American Land-Mammal "Ages". American Museum Novitates 2840:1-68 view

There are 56 timescales which overlap this one. show

This timescale is used in the definition of 1 collections

International Chronostratigraphic Timescale			Ten Million Year Bins	Cretaceous North American Land-Mammal Ages
Quaternary	Holocene	Meghalayan	Cenozoic 6		0
		Northgrippian			0.0042
		Greenlandian			0.0082
	Pleistocene	Late Pleistocene			0.0117
		Chibanian			0.129
		Calabrian			0.774
		Gelasian			1.8
Neogene	Pliocene	Piacenzian			2.58
	Pliocene	Zanclean			3.6
	Miocene	Messinian			5.333
		Tortonian			7.246
		Serravallian	Cenozoic 5		11.63
		Langhian			13.82
		Burdigalian			15.98
		Aquitanian			20.44
Paleogene	Oligocene	Chattian	Cenozoic 4		23.03
	Oligocene	Rupelian	Cenozoic 4		27.82
	Eocene	Priabonian	Cenozoic 3		33.9
		Bartonian	Cenozoic 3		37.71
		Lutetian	Cenozoic 2		41.2
		Ypresian	Cenozoic 2		47.8
	Paleocene	Thanetian	Cenozoic 1		56
		Selandian			59.2
		Danian			61.6
Cretaceous	Late Cretaceous	Maastrichtian	Cretaceous 8	Lancian/Edmontonian	66
		Campanian	Cretaceous 7	Judithian/Aquilan	72.1
		Santonian	Cretaceous 6		83.6
		Coniacian			86.3
		Turonian			89.8
		Cenomanian	Cretaceous 5		93.9
	Early Cretaceous	Albian	Cretaceous 4		100.5
		Aptian	Cretaceous 3		113
		Barremian	Cretaceous 2		121.4
		Hauterivian	Cretaceous 2		125.77
		Valanginian	Cretaceous 1		132.6
		Berriasian	Cretaceous 1		139.8
Jurassic	Late Jurassic	Tithonian	Jurassic 6		145
		Kimmeridgian	Jurassic 5		149.2
		Oxfordian			154.8
	Middle Jurassic	Callovian			161.5
		Bathonian	Jurassic 4		165.3
		Bajocian	Jurassic 4		168.2
		Aalenian	Jurassic 3		170.9
	Early Jurassic	Toarcian	Jurassic 3		174.7
		Pliensbachian	Jurassic 2		184.2
		Sinemurian	Jurassic 1		192.9
		Hettangian	Jurassic 1		199.5
Triassic	Late Triassic	Rhaetian	Triassic 4		201.4
		Norian	Triassic 4		208.5
		Carnian	Triassic 3		227
	Middle Triassic	Ladinian	Triassic 2		237
	Middle Triassic	Anisian	Triassic 2		242
	Early Triassic	Olenekian	Triassic 1		247.2
	Early Triassic	Induan	Triassic 1		251.2
Permian	Lopingian	Changhsingian	Permian 4		251.902
	Lopingian	Wuchiapingian			254.14
	Guadalupian	Capitanian			259.51
		Wordian			264.28
		Roadian	Permian 3		266.9
	Cisuralian	Kungurian	Permian 2		273.01
		Artinskian			283.5
		Sakmarian			290.1
		Asselian	Permian 1		293.52
Carboniferous	Pennsylvanian	Gzhelian	Carboniferous 5		298.9
		Kasimovian	Carboniferous 5		303.7
		Moscovian	Carboniferous 4		307
		Bashkirian	Carboniferous 4		315.2
	Mississippian	Serpukhovian	Carboniferous 3		323.2
		Visean	Carboniferous 2		330.9
		Tournaisian	Carboniferous 1		346.7
Devonian	Late Devonian	Famennian	Devonian 5		358.9
	Late Devonian	Frasnian	Devonian 4		372.2
	Middle Devonian	Givetian	Devonian 3		382.7
	Middle Devonian	Eifelian	Devonian 3		387.7
	Early Devonian	Emsian	Devonian 2		393.3
		Pragian	Devonian 1		407.6
		Lochkovian	Devonian 1		410.8
Silurian	Pridoli		Silurian 2		419.2
	Ludlow	Ludfordian			423
	Ludlow	Gorstian			425.6
	Wenlock	Homerian			427.4
	Wenlock	Sheinwoodian			430.5
	Llandovery	Telychian	Silurian 1		433.4
		Aeronian			438.5
		Rhuddanian			440.8
Ordovician	Late Ordovician	Hirnantian	Ordovician 5		443.8
		Katian	Ordovician 5		445.2
		Sandbian	Ordovician 4		453
	Middle Ordovician	Darriwilian	Ordovician 3		458.4
	Middle Ordovician	Dapingian	Ordovician 2		467.3
	Early Ordovician	Floian	Ordovician 2	470
	Early Ordovician	Tremadocian	Ordovician 1	477.7
Cambrian	Furongian	Stage 10	Cambrian 5	485.4
		Jiangshanian		489.5
		Paibian		494
	Miaolingian	Guzhangian	Cambrian 4	497
		Drumian	Cambrian 4	500.5
		Wuliuan	Cambrian 3	504.5
	Series 2	Stage 4	Cambrian 3	509
	Series 2	Stage 3	Cambrian 2	514
	Terreneuvian	Stage 2	Cambrian 2	521
	Terreneuvian	Fortunian	Cambrian 1	529
					538.8