66 - 23.04 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. 2024. The ICS International Chronostratigraphic Chart v2024/12. International Commission on Stratigraphy view

There are intervals in 12 timescales which overlap this one. show

• International Chronostratigraphic Timescale: Eocene epoch, Bartonian age, Lutetian age, Danian age, Ypresian age, Thanetian age, Priabonian age, Paleocene epoch, Selandian age, Oligocene epoch, Rupelian age, Chattian age
• Cenozoic Subepochs: Late Paleocene subepoch, Early Oligocene subepoch, Middle Paleocene subepoch, Late Eocene subepoch, Middle Eocene subepoch, Early Paleocene subepoch, Early Eocene subepoch, Late Oligocene subepoch
• Mammal Paleogene Zones: MP 12 zone, MP 28 zone, MP 6 zone, MP 27 zone, MP 11 zone, MP 30 zone, MP 25 zone, MP 7 zone, MP 23 zone, MP 24 zone, MP 19 zone, MP 22 zone, MP 8 + 9 zone, MP 26 zone, MP 18 zone, MP 13 zone, MP 10 zone, MP 17B zone, MP 14 zone, MP 16 zone, MP 20 zone, MP 17A zone, MP 29 zone, MP 21 zone, MP 15 zone
• Paleogene Mammal Ages of Asia: Gashatan age, Kekeamuan age, Ulangochuian age, Ergilian age, Bumbanian age, Hsandagolian age, Irdinmanhan age, Tabenbulakian age, Arshantan age, Houldjinian age, Sharamurunian age
• North American Land Mammal Ages: Uintan age, Orellan age, Puercan age, Clarkforkian age, Chadronian age, Duchesnean age, Arikareean age, Torrejonian age, Whitneyan age, Wasatchian age, Tiffanian age, Bridgerian age
• North American Mammal Subages/Zones: Graybullian subage, Lysitean subage, Cf3 zone, Geringian subage, early Early Arikareean subage, Late Chadronian subage, Ti6 zone, Monroecreekian subage, late Early Arikareean subage, Cf2 zone, Pu3 zone, Sandcouleean subage, Ti5 zone, Middle Chadronian subage, Early Uintan subage, Lostcabinian subage, Ti4 zone, Twinbuttean subage, To2 zone, Early Chadronian subage, Ti2 zone, Pu2 zone, Ti1 zone, Gardnerbuttian subage, To1 zone, Ti3 zone, Cf1 zone, Blacksforkian subage, Pu1 zone, late Late Arikareean subage, To3 zone, Late Uintan subage, Harrisonian subage, early Late Arikareean subage
• South American Land Mammal Ages: Divisaderan age, Mustersan age, Casamayoran age, Deseadan age, Peligran age, Itaboraian age, Tiupampan age, Riochican age, Tinguirirican age
• Calcareous Nannoplankton Zones: NN1 zone, NP13 zone, NP23 zone, NP5 zone, NP6 zone, NP12 zone, NP1 zone, NP15 zone, NP8 zone, NP3 zone, NP10 zone, NP9 zone, NP11 zone, NP2 zone, NP16 zone, NP19 zone, NP25 zone, NP19-20 zone, NP24 zone, NP7 zone, NP20 zone, NP4 zone, NP18 zone, NP21 zone, NP14 zone, NP22 zone, NP17 zone
• Planktic Foraminiferal Zones: A. topilensis PRZ zone, G. index HOZ zone, M. angulata LOZ zone, P. opima HOZ zone, M. aragonensis/M. subbotinae CRZ zone, G. nuttalli LOZ zone, M. velascoensis PRZ zone, A. cuneicamerata LOZ zone, M. formosa LOZ zone, G. ciperoensis PRZ zone, G. kugleri/M. aragonensis CRZ zone, G. pseudomenardii TRZ zone, E. edita PRZ zone, P. uncinata LOZ zone, G. semiinvoluta HOZ zone, Abathomphalus mayaroensis zone, A. sibaiyaensis LOZ zone, T. ampliapertura HOZ zone, M. lehneri PRZ zone, G. angulisuturalis/C.cubensis CRZ zone, P. wilcoxensis/M. velascoensis CRZ zone, D. sellii PRZ zone, O. beckmanni TRZ zone, P. naguewichiensis HOZ zone, A. pentacamerata PRZ zone, M. marginodentata PRZ zone, G. cretacea PRZ zone, M. crassatus HOZ zone, H. alabamensis HOZ zone, P. eugubina TRZ zone, P. pseudokugleri LOZ zone
• Neogene North Pacific Diatom Biochronology: Thalassiosira praefraga zone
• Geomagnetic Polarity Chrons: C25 chron, C22 chron, C8 chron, C7A chron, C26 chron, C10 chron, C9 chron, C23 chron, C29 chron, C7 chron, C6C chron, C12 chron, C21 chron, C13 chron, C17 chron, C20 chron, C24 chron, C27 chron, C19 chron, C18 chron, C28 chron, C11 chron, C16 chron, C15 chron
• Cretaceous-Cenozoic of New Zealand: Porangan age, Runangan age, Teurian age, Waitakian age, Whaingaroan age, Duntroonian age, Landon epoch, Arnold epoch, Bortonian age, Waipawan age, Mangaorapan age, Dannevirke epoch, Kaiatan age, Heretaungan age

This interval is used in the definition of 107 collections

A total of 30865 collections with 279765 occurrences lie within this time span