PBDB Interval

83.6 - 72.1 Ma

The definition of this interval in the timescale Mesozoic Subages is taken from the following source:

F. M. Gradstein, F. P. Agterberg, J. G. Ogg, J. Hardenbol, P. Van Veen, J. Thierry, and Z. Huang. 1995. A Triassic, Jurassic, and Cretaceous time scale. SEPM Special Publication 54 view

There are intervals in 5 timescales which overlap this one. show

This interval is used in the definition of 1170 collections

A total of 7127 collections with 37201 occurrences lie within this time span

International Chronostratigraphic Timescale			Mesozoic Subages	Cretaceous North American Land-Mammal Ages
Cretaceous	Late Cretaceous	Maastrichtian	Late Maastrichtian/Early Maastrichtian	Lancian/Edmontonian	66
		Campanian	Late Campanian/Middle Campanian/Early Campanian	Judithian/Aquilan	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		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		125.77
		Valanginian	Late Valanginian/Early Valanginian		132.6
		Berriasian	Late Berriasian		139.8
			Middle Berriasian		140.6 *
			Early Berriasian		142.7 *
					145