PBDB Timescale

Devonian of Eastern North America

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

F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
W. B. Harland, R. L. Armstrong, A. V. Cox, L. E. Craig, A. G. Smith and D. G. Smith. 1990. A Geologic Time Scale 1989. view

There are 6 timescales which overlap this one. show

This timescale is used in the definition of 64 collections

International Chronostratigraphic Timescale			Devonian of Eastern North America		Ten Million Year Bins
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	66
		Campanian			Cretaceous 7	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	303.7		Carboniferous 5
		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	Conewangan/Conneautan/Canadaway	Devonian 5	358.9
	Late Devonian	Frasnian	West Fallsian/Sonyean	Devonian 4	372.2
	Middle Devonian	Givetian	Geneseean/Taghanican/Tioughniogan	Cazenovian	Devonian 3	382.7
	Middle Devonian	Eifelian	Southwoodian	Cazenovian	Devonian 3	387.7
	Early Devonian	Emsian	Sawkillian/Deer Parkian	Helderbergian	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