PBDB Interval

K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. 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
F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
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. Meng and M. C. McKenna. 1998. Faunal turnovers of Paleogene mammals from the Mongolian Plateau. Nature 394:364-367 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

There are 59 timescales which overlap this one. show

This timescale is used in the definition of 127258 collections

International Chronostratigraphic Timescale			Cenozoic Subepochs	Paleogene Mammal Ages of Asia		North American Land Mammal Ages
							18.5
Paleogene	Oligocene	Chattian	Late Oligocene	Tabenbulakian	Hsandagolian	Arikareean	23.03
		Rupelian	Early Oligocene	Kekeamuan		Arikareean	27.82
						Whitneyan	29.5
						Orellan	31.8
	Eocene	Priabonian	Late Eocene	Houldjinian/Ergilian/Ulangochuian		Chadronian	33.9
		Priabonian	Late Eocene	Houldjinian/Ergilian/Ulangochuian		Duchesnean	37
		Bartonian	Middle Eocene	Sharamurunian/Irdinmanhan/Arshantan		Duchesnean	37.71
		Bartonian				Uintan	39.7
		Lutetian				Uintan	41.2
		Lutetian				Bridgerian	46.2
		Ypresian	Early Eocene		Bumbanian	Bridgerian	47.8
						Wasatchian	50.5
						Clarkforkian	54.9
	Paleocene	Thanetian	Late Paleocene	Gashatan		Clarkforkian	56
		Thanetian	Late Paleocene	Gashatan		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
							66