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: Ypresian age, Lutetian age, Priabonian age, Bartonian age
- Cenozoic Subepochs: Late Eocene subepoch, Middle Eocene subepoch, Early Eocene subepoch
- Mammal Paleogene Zones: MP 14 zone, MP 12 zone, MP 8 + 9 zone, MP 16 zone, MP 11 zone, MP 13 zone, MP 18 zone, MP 20 zone, MP 15 zone, MP 17A zone, MP 19 zone, MP 10 zone, MP 17B zone, MP 7 zone
- Paleogene Mammal Ages of Asia: Houldjinian age, Irdinmanhan age, Ulangochuian age, Ergilian age, Bumbanian age, Arshantan age, Sharamurunian age
- North American Land Mammal Ages: Duchesnean age, Uintan age, Clarkforkian age, Chadronian age, Bridgerian age, Wasatchian age
- North American Mammal Subages/Zones: Gardnerbuttian subage, Sandcouleean subage, Late Chadronian subage, Middle Chadronian subage, Graybullian subage, Lostcabinian subage, Early Chadronian subage, Cf1 zone, Twinbuttean subage, Cf3 zone, Early Uintan subage, Cf2 zone, Blacksforkian subage, Late Uintan subage, Lysitean subage
- South American Land Mammal Ages: Tinguirirican age, Divisaderan age, Mustersan age, Casamayoran age
- Cretaceous-Cenozoic of New Zealand: Runangan age, Landon epoch, Whaingaroan age, Waipawan age, Mangaorapan age, Dannevirke epoch, Bortonian age, Kaiatan age, Porangan age, Arnold epoch, Heretaungan age
This interval is used in the definition of 709 collections
A total of 13934 collections with 131761 occurrences lie within this time span