PBDB Interval

16.3 - 12.5 Ma

The definition of this interval in the timescale North American Mammal Subages/Zones is taken from the following source:

M. O. Woodburne. 1987. A prospectus of the North American Mammal Ages. In: Woodburne, M. O. (ed.), Cenozoic Mammals of North America. University of California Press, Berkelery, CA 285-290 view

There are intervals in 11 timescales which overlap this one. show

This interval is used in the definition of 53 collections

A total of 3846 collections with 41654 occurrences lie within this time span

International Chronostratigraphic Timescale			North American Mammal Subages/Zones	South American Land Mammal Ages
					1.4
					1.75
Neogene	Pliocene	Piacenzian	Senecan/Rexroadian	Vorohuean/Uquian	2.58
		Piacenzian		Chapadmalalan	3
		Zanclean		Chapadmalalan	3.6
				Montehermosan	3.8
			Late Hemphillian/late Early Hemphillian/early Early Hemphillian	Montehermosan	4.7
				Huayquerian	5
	Miocene	Messinian			5.333
		Tortonian			7.246
				Chasicoan	8
			Late Clarendonian/Early Clarendonian	Chasicoan	9.4
				Mayoan	10
				Laventan	11
		Serravallian			11.63
			late Late Barstovian/early Late Barstovian/Early Barstovian		12.5
				Colloncuran	13.8
		Langhian		Colloncuran	13.82
		Langhian		Friasian	15.5
		Burdigalian		Friasian	15.98
			Late Hemingfordian/Early Hemingfordian	Santacrucian	16.3
			Late Hemingfordian/Early Hemingfordian	Colhuehuapian	17.5
			late Late Arikareean/early Late Arikareean/late Early Arikareean/early Early Arikareean/Harrisonian		18.5
		Aquitanian			20.45
		Aquitanian		Deseadan	21
					23.04 *
					23.1
					29
					29.5