PBDB Interval Range

Kimmeridgian age - Early Hauterivian subage

154.8 - 125.77 Ma

International Chronostratigraphic Timescale			Mesozoic Subages
Cretaceous	Late Cretaceous	Maastrichtian	Late Maastrichtian/Early Maastrichtian		66
		Campanian	Late Campanian/Middle Campanian/Early Campanian		72.2
		Santonian	Late Santonian/Middle Santonian/Early Santonian		83.6
		Coniacian	Late Coniacian/Middle Coniacian/Early Coniacian		85.7
		Turonian	Late Turonian/Middle Turonian/Early Turonian		89.8
		Cenomanian	Late Cenomanian/Middle Cenomanian/Early Cenomanian		93.9
	Early Cretaceous	Albian	Late Albian		100.5
			Middle Albian		106.3 *
			Early Albian		110.1 *
		Aptian	Late Aptian		113.2
		Aptian	Early Aptian		119.57 *
		Barremian	Late Barremian/Early Barremian		121.4
		Hauterivian	Late Hauterivian/Early Hauterivian		125.77
		Valanginian	Late Valanginian/Early Valanginian		132.6
		Berriasian	Late Berriasian		137.05
			Middle Berriasian		139.1 *
			Early Berriasian		141 *
Jurassic	Late Jurassic	Tithonian	Late Tithonian	Middle Tithonian	143.1
		Tithonian	Early Tithonian	Middle Tithonian	145.06 *
		Kimmeridgian	Late Kimmeridgian		149.2
		Kimmeridgian	Early Kimmeridgian		152.21 *
		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