PBDB Timescale

Cambrian Epochs

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
F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view

There are 12 timescales which overlap this one. show

This timescale is used in the definition of 594 collections

International Chronostratigraphic Timescale			Cambrian Epochs	Cambrian of West Avalonia	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	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	Late Cambrian	Cambrian 5	485.4
		Jiangshanian			489.5
		Paibian			494
	Miaolingian	Guzhangian	Middle Cambrian	Cambrian 4	497
		Guzhangian			Arcadian	498.4
		Drumian				500.5
		Wuliuan		Cambrian 3		504.5
	Series 2	Stage 4	Early Cambrian	Cambrian 3	Branchian	509
		Stage 3		Cambrian 2	Branchian	514
		Stage 3			Placentian	517.1
	Terreneuvian	Stage 2				521
	Terreneuvian	Fortunian		Cambrian 1		529
						538.8