PBDB Interval

54.9 - 50.5 Ma

The definition of this interval in the timescale North American Land Mammal Ages is taken from the following source:

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 intervals in 7 timescales which overlap this one. show

This interval is used in the definition of 1337 collections

A total of 3659 collections with 31162 occurrences lie within this time span

International Chronostratigraphic Timescale			North American Land Mammal Ages	Cretaceous-Cenozoic of New Zealand
						18.5
						21.7
Paleogene	Oligocene	Chattian	Arikareean	Landon	Waitakian	23.03
					Duntroonian	25.2
					Whaingaroan	27.3
		Rupelian				27.82
			Whitneyan			29.5
			Orellan			31.8
	Eocene	Priabonian	Chadronian			33.9
				Arnold	Runangan	34.6
					Kaiatan	36.7
			Duchesnean			37
		Bartonian				37.71
					Bortonian	39.1
			Uintan			39.7
		Lutetian				41.2
				Dannevirke	Porangan	42.6
					Heretaungan	45.7
			Bridgerian			46.2
		Ypresian				47.8
					Mangaorapan	48.9
			Wasatchian		Mangaorapan	50.5
			Wasatchian		Waipawan	52
			Clarkforkian		Waipawan	54.9
	Paleocene	Thanetian	Clarkforkian		Teurian	56
		Thanetian	Tiffanian			56.2
		Selandian	Tiffanian			59.2
		Selandian	Torrejonian			60.9
		Danian	Torrejonian			61.6
		Danian	Puercan			63.8
						66