PBDB Timescale

Cretaceous North American Land-Mammal Ages

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

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
J. I. Raine, A. G. Beu, A. F. Boyes, H. J. Campbell, R. A. Cooper, J. S. Crampton, M. P. Crundwell, C. J. Hollis, and H. E. G. Morgans. 2015. Revised Calibration of the New Zealand Geological Timescale: NZGT2015/1. GNS Science Report 2012(39) view

There are 5 timescales which overlap this one. show

This timescale is used in the definition of 508 collections

International Chronostratigraphic Timescale			Cretaceous North American Land-Mammal Ages	Cretaceous-Cenozoic of New Zealand		Ten Million Year Bins
Quaternary	Holocene	Meghalayan		Wanganui	Haweran	Cenozoic 6	0
		Northgrippian					0.0042
		Greenlandian					0.0082
	Pleistocene	Late Pleistocene					0.0117
		Chibanian					0.129
		Chibanian			Castlecliffian		0.34
		Calabrian			Castlecliffian		0.774
		Calabrian			Nukumaruan		1.63
		Gelasian			Nukumaruan		1.8
		Gelasian			Mangapanian		2.4
Neogene	Pliocene	Piacenzian			Mangapanian		2.58
		Piacenzian			Waipipian		3
		Zanclean			Waipipian		3.6
		Zanclean			Opoitian		3.7
	Miocene	Messinian		Taranaki	Kapitean		5.333
		Messinian			Tongaporutuan		7.2
		Tortonian			Tongaporutuan		7.246
		Tortonian		Southland	Waiauan		11.04
		Serravallian			Waiauan	Cenozoic 5	11.63
		Serravallian			Lillburnian		13.05
		Langhian			Lillburnian		13.82
					Clifdenian		15.1
				Pareora	Altonian		15.9
		Burdigalian			Altonian		15.98
		Burdigalian			Otaian		18.7
		Aquitanian			Otaian		20.44
		Aquitanian		Landon	Waitakian		21.7
Paleogene	Oligocene	Chattian			Waitakian	Cenozoic 4	23.03
					Duntroonian		25.2
					Whaingaroan		27.3
		Rupelian					27.82
	Eocene	Priabonian				Cenozoic 3	33.9
				Arnold	Runangan		34.6
					Kaiatan		36.7
		Bartonian			Kaiatan		37.71
		Bartonian			Bortonian		39.1
		Lutetian			Bortonian	Cenozoic 2	41.2
				Dannevirke	Porangan		42.6
					Heretaungan		45.7
		Ypresian			Heretaungan		47.8
					Mangaorapan		48.9
					Waipawan		52
	Paleocene	Thanetian			Teurian	Cenozoic 1	56
		Selandian					59.2
		Danian					61.6
Cretaceous	Late Cretaceous	Maastrichtian	Lancian/Edmontonian	Mata	Haumurian	Cretaceous 8	66
		Campanian	Judithian/Aquilan		Haumurian	Cretaceous 7	72.1
		Santonian			Piripauan	Cretaceous 6	83.6
		Santonian		Raukumara	Teratan		86.1
		Coniacian					86.3
		Turonian					89.8
					Mangaotanean		90.5
					Arowhanan		93.7
		Cenomanian			Arowhanan	Cretaceous 5	93.9
				Clarence	Ngaterian		95.2
					Motuan		99.5
	Early Cretaceous	Albian			Motuan	Cretaceous 4	100.5
					Urutawan		103.3
				Taitai	Korangan		108.4
		Aptian			Korangan	Cretaceous 3	113
		Aptian				Cretaceous 3	117.5
		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