PBDB Interval Range

Early Kimmeridgian subage - Senonian subepoch

154.8 - 66 Ma

International Chronostratigraphic Timescale			Mesozoic Subages		Cretaceous Subepochs
Cretaceous	Late Cretaceous	Maastrichtian	Late Maastrichtian/Early Maastrichtian		Senonian	66
		Campanian	Late Campanian/Middle Campanian/Early Campanian			72.1
		Santonian	Late Santonian/Middle Santonian/Early Santonian			83.6
		Coniacian	Late Coniacian/Middle Coniacian/Early Coniacian			86.3
		Turonian	Late Turonian/Middle Turonian/Early Turonian			89.8
		Cenomanian	Late Cenomanian/Middle Cenomanian/Early Cenomanian			93.9
	Early Cretaceous	Albian	Late Albian		Gallic	100.5
			Middle Albian			106.2 *
			Early Albian			109.9 *
		Aptian	Late Aptian			113
		Aptian	Early Aptian			119.5 *
		Barremian	Late Barremian/Early Barremian			121.4
		Hauterivian	Late Hauterivian/Early Hauterivian		Neocomian	125.77
		Valanginian	Late Valanginian/Early Valanginian			132.6
		Berriasian	Late Berriasian			139.8
			Middle Berriasian			140.6 *
			Early Berriasian			142.7 *
Jurassic	Late Jurassic	Tithonian	Late Tithonian	Middle Tithonian		145
		Tithonian	Early Tithonian	Middle Tithonian		146.3 *
		Kimmeridgian	Late Kimmeridgian			149.2
		Kimmeridgian	Early Kimmeridgian			152.2 *
		Oxfordian	Late Oxfordian	Middle Oxfordian/Early Oxfordian		154.8
		Oxfordian		Middle Oxfordian/Early Oxfordian		157.9 *
	Middle Jurassic	Callovian	Late Callovian/Middle Callovian/Early Callovian			161.5
		Bathonian	Late Bathonian/Middle Bathonian/Early Bathonian			165.3
		Bajocian	Late Bajocian			168.2
		Bajocian	Early Bajocian			168.6 *
		Aalenian	Late Aalenian/Middle Aalenian/Early Aalenian			170.9
	Early Jurassic	Toarcian	Late Toarcian			174.7
			Middle Toarcian			180.4 *
			Early Toarcian			182.9 *
		Pliensbachian	Late Pliensbachian/Early Pliensbachian			184.2
		Sinemurian	Late Sinemurian/Early Sinemurian			192.9
		Hettangian	Late Hettangian/Middle Hettangian/Early Hettangian			199.5
						201.4