56 - 33.9 Ma
The definition of this interval in the timescale International Chronostratigraphic Timescale is taken from the following source:
- K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. view
There are intervals in 8 timescales which overlap this one. show
- International Chronostratigraphic Timescale: Bartonian age, Lutetian age, Ypresian age, Priabonian age
- Cenozoic Subepochs: Early Eocene subepoch, Late Eocene subepoch, Middle Eocene subepoch
- Mammal Paleogene Zones: MP 15 zone, MP 20 zone, MP 13 zone, MP 11 zone, MP 12 zone, MP 16 zone, MP 7 zone, MP 18 zone, MP 14 zone, MP 19 zone, MP 17B zone, MP 17A zone, MP 8 + 9 zone, MP 10 zone
- Paleogene Mammal Ages of Asia: Bumbanian age, Arshantan age, Irdinmanhan age, Sharamurunian age, Ulangochuian age, Houldjinian age, Ergilian age
- North American Land Mammal Ages: Clarkforkian age, Uintan age, Duchesnean age, Chadronian age, Wasatchian age, Bridgerian age
- North American Mammal Subages/Zones: Sandcouleean subage, Early Uintan subage, Cf3 zone, Lostcabinian subage, Blacksforkian subage, Cf2 zone, Twinbuttean subage, Late Chadronian subage, Gardnerbuttian subage, Middle Chadronian subage, Late Uintan subage, Early Chadronian subage, Lysitean subage, Graybullian subage, Cf1 zone
- South American Land Mammal Ages: Casamayoran age, Mustersan age, Divisaderan age, Tinguirirican age
- Cretaceous-Cenozoic of New Zealand: Runangan age, Waipawan age, Dannevirke epoch, Bortonian age, Arnold epoch, Kaiatan age, Porangan age, Mangaorapan age, Heretaungan age, Landon epoch, Whaingaroan age
This interval is used in the definition of 626 collections
A total of 13640 collections with 127869 occurrences lie within this time span