PBDB Interval Range

100.5 - 61.6 Ma

International Chronostratigraphic Timescale			Cenozoic Subepochs
Paleogene	Oligocene	Chattian	Late Oligocene	23.03
	Oligocene	Rupelian	Early Oligocene	27.82
	Eocene	Priabonian	Late Eocene	33.9
		Bartonian	Middle Eocene	37.71
		Lutetian	Middle Eocene	41.2
		Ypresian	Early Eocene	47.8
	Paleocene	Thanetian	Late Paleocene	56
		Selandian	Middle Paleocene	59.2
		Danian	Early Paleocene	61.6
Cretaceous	Late Cretaceous	Maastrichtian		66
		Campanian		72.1
		Santonian		83.6
		Coniacian		86.3
		Turonian		89.8
		Cenomanian		93.9
	Early Cretaceous	Albian		100.5
		Aptian		113
		Barremian		121.4
		Hauterivian		125.77
		Valanginian		132.6
		Berriasian		139.8
				145