PBDB Timescale

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
F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
A. D. Barnosky, M. Holmes, R. Kirchholtes, E. Lindsey, K.C. Maguire, A.W. Poust, M.A. Stegner, J. Sunseri, B. Swartz, J. Swift, N.A. Villavicencio and G. Wogan. 2014. Prelude to the Anthropocene: Two new North American Land Mammal Ages (NALMAs). The Anthropocene Review I(3):225-242 view
Z.-X. Qiu and Z.-D. Qiu. 1995. Chronological sequence and subdivision of Chinese Neogene mammalian faunas. Palaeogeography, Palaeoclimatology, Palaeoecology 116(1-2):41-70 view

There are 13 timescales which overlap this one. show

This timescale is used in the definition of 13393 collections

International Chronostratigraphic Timescale			Cenozoic Subepochs	North American Land Mammal Ages	Neogene Mammal Ages of China
Quaternary	Holocene	Meghalayan		Saintaugustinean		0
		Meghalayan		Santarosean		0.0004
		Northgrippian				0.0042
		Greenlandian				0.0082
	Pleistocene	Late Pleistocene	Late Pleistocene		Nihewanian	0.0117
		Late Pleistocene	Late Pleistocene	Rancholabrean		0.014
		Chibanian	Middle Pleistocene	Rancholabrean		0.129
		Chibanian	Middle Pleistocene	Irvingtonian		0.21
		Calabrian	Early Pleistocene	Irvingtonian		0.774
		Calabrian		Blancan		1.4
		Gelasian				1.8
Neogene	Pliocene	Piacenzian	Late Pliocene		Yushean	2.58
		Zanclean	Early Pliocene			3.6
				Hemphillian		4.7
					Baodean	4.9
	Miocene	Messinian	Late Miocene			5.333
		Tortonian				7.246
				Clarendonian		9.4
					Tunggurian	11.1
		Serravallian	Middle Miocene			11.63
		Serravallian		Barstovian		12.5
		Langhian			Shanwangian	13.82
		Burdigalian	Early Miocene			15.98
				Hemingfordian		16.3
				Hemingfordian	Xiejiaan	16.9
				Arikareean		18.5
		Aquitanian				20.44
Paleogene	Oligocene	Chattian	Late Oligocene			23.03
		Rupelian	Early Oligocene			27.82
				Whitneyan		29.5
				Orellan		31.8
	Eocene	Priabonian	Late Eocene	Chadronian		33.9
		Priabonian	Late Eocene	Duchesnean		37
		Bartonian	Middle Eocene	Duchesnean		37.71
		Bartonian		Uintan		39.7
		Lutetian		Uintan		41.2
		Lutetian		Bridgerian		46.2
		Ypresian	Early Eocene	Bridgerian		47.8
				Wasatchian		50.5
				Clarkforkian		54.9
	Paleocene	Thanetian	Late Paleocene	Clarkforkian		56
		Thanetian	Late Paleocene	Tiffanian		56.2
		Selandian	Middle Paleocene	Tiffanian		59.2
		Selandian	Middle Paleocene	Torrejonian		60.9
		Danian	Early Paleocene	Torrejonian		61.6
		Danian	Early Paleocene	Puercan		63.8
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