PBDB Interval

Merioneth

497 - 485.4 Ma

The definition of this interval in the timescale Cambrian of Britain is taken from the following source:

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 intervals in 9 timescales which overlap this one. show

This interval is used in the definition of 119 collections

A total of 2466 collections with 12569 occurrences lie within this time span

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International Chronostratigraphic Timescale			Cambrian of Britain		Cambrian of Siberia
Quaternary	Holocene	Meghalayan						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						11.63
		Langhian						13.82
		Burdigalian						15.98
		Aquitanian						20.44
Paleogene	Oligocene	Chattian						23.03
	Oligocene	Rupelian						27.82
	Eocene	Priabonian						33.9
		Bartonian						37.71
		Lutetian						41.2
		Ypresian						47.8
	Paleocene	Thanetian						56
		Selandian						59.2
		Danian						61.6
Cretaceous	Late Cretaceous	Maastrichtian						66
		Campanian						72.1
		Santonian						83.6
		Coniacian						86.3
		Turonian						89.8
		Cenomanian						93.9
	Early Cretaceous	Albian						100.5
		Aptian						113
		Barremian						121.4
		Hauterivian						125.77
		Valanginian						132.6
		Berriasian						139.8
Jurassic	Late Jurassic	Tithonian						145
		Kimmeridgian						149.2
		Oxfordian						154.8
	Middle Jurassic	Callovian						161.5
		Bathonian						165.3
		Bajocian						168.2
		Aalenian						170.9
	Early Jurassic	Toarcian						174.7
		Pliensbachian						184.2
		Sinemurian						192.9
		Hettangian						199.5
Triassic	Late Triassic	Rhaetian						201.4
		Norian						208.5
		Carnian						227
	Middle Triassic	Ladinian						237
	Middle Triassic	Anisian						242
	Early Triassic	Olenekian						247.2
	Early Triassic	Induan						251.2
Permian	Lopingian	Changhsingian						251.902
	Lopingian	Wuchiapingian						254.14
	Guadalupian	Capitanian						259.51
		Wordian						264.28
		Roadian						266.9
	Cisuralian	Kungurian						273.01
		Artinskian						283.5
		Sakmarian						290.1
		Asselian						293.52
Carboniferous	Pennsylvanian	Gzhelian						298.9
		Kasimovian	303.7
		Moscovian	307
		Bashkirian	315.2
	Mississippian	Serpukhovian	323.2
		Visean	330.9
		Tournaisian	346.7
Devonian	Late Devonian	Famennian	358.9
	Late Devonian	Frasnian	372.2
	Middle Devonian	Givetian	382.7
	Middle Devonian	Eifelian	387.7
	Early Devonian	Emsian	393.3
		Pragian	407.6
		Lochkovian	410.8
Silurian	Pridoli		419.2
	Ludlow	Ludfordian	423
	Ludlow	Gorstian	425.6
	Wenlock	Homerian	427.4
	Wenlock	Sheinwoodian	430.5
	Llandovery	Telychian	433.4
		Aeronian	438.5
		Rhuddanian	440.8
Ordovician	Late Ordovician	Hirnantian	443.8
		Katian	445.2
		Sandbian	453
	Middle Ordovician	Darriwilian	458.4
	Middle Ordovician	Dapingian	467.3
	Early Ordovician	Floian	470
		Tremadocian	477.7
		Tremadocian	Mansian †	483.55 *
Cambrian	Furongian	Stage 10	Merioneth	Dolgellian/Trempealeauan	Batyrbaian	Tavgian †	Ketyan †/Yurakian	485.4
		Stage 10		Festiniogian				489.2 *
		Jiangshanian						489.5
					Aksaian			490.7 *
					Sakian			492.2 *
				Maentwrogian				493.1 *
		Paibian						494
		Paibian					Ensyan †/Maduan/Nganasanian	494.7 *
	Miaolingian	Guzhangian	St Davids		Ayusokkanian			497
		Guzhangian			Mayan/Menevian			499.5
		Drumian			Mayan/Menevian			500.5
		Wuliuan			Amgan/Solvan			504.5
	Series 2	Stage 4	Caerfai		Amgan/Solvan			509
					Toyonian	Lenian †		510 *
					Botomian			512.5 *
		Stage 3			Botomian			514
		Stage 3			Atdabanian			515.6 *
	Terreneuvian	Stage 2			Tommotian			521
		Stage 2			Nemakit-Daldynian			525.5
		Fortunian			Nemakit-Daldynian	Manykaian †		529
								538.8