PBDB Interval

K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. 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
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 126699 collections

International Chronostratigraphic Timescale			North American Land Mammal Ages
				18.5
Paleogene	Oligocene	Chattian	Arikareean	23.03
		Rupelian	Arikareean	27.82
			Whitneyan	29.5
			Orellan	31.8
	Eocene	Priabonian	Chadronian	33.9
		Priabonian	Duchesnean	37
		Bartonian	Duchesnean	37.71
		Bartonian	Uintan	39.7
		Lutetian	Uintan	41.2
		Lutetian	Bridgerian	46.2
		Ypresian	Bridgerian	47.8
			Wasatchian	50.5
			Clarkforkian	54.9
	Paleocene	Thanetian	Clarkforkian	56
		Thanetian	Tiffanian	56.2
		Selandian	Tiffanian	59.2
		Selandian	Torrejonian	60.9
		Danian	Torrejonian	61.6
		Danian	Puercan	63.8
				66