Mammal Paleogene Zones
The interval definitions in this timescale are derived from the following sources:
- M. Freudenthal. 2006. Mammal Paleogene zones. personal communication view
- J. Meng and M. C. McKenna. 1998. Faunal turnovers of Paleogene mammals from the Mongolian Plateau. Nature 394:364-367 view
- F. J. Prevosti, C. O. Romano, A. M. Forasiepi, S. Hemming, R. Bonini, A. M. Candela, E. Cerdeño, M. C. Madozzo Jaén, P. E. Ortiz, F. Pujos, L. Rasia, G. I. Schmidt, M. Taglioretti, R. D. E. MacPhee, and U. F. J. Pardiñas. 2021. New radiometric 40Ar–39Ar dates and faunistic analyses refine evolutionary dynamics of Neogene vertebrate assemblages in southern South America. Scientific Reports 2021(11):9830 view
- J. J. Flynn and C. C. Swisher, III. 1995. Cenozoic South American Land Mammal Ages: correlation to global geochronology. Geochronology Time Scales and Global Stratigraphic Correlation, SEPM Special Publication 54:317-333 view
- W. B. Harland, R. L. Armstrong, A. V. Cox, L. E. Craig, A. G. Smith and D. G. Smith. 1990. A Geologic Time Scale 1989. view
- K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. view
There are 8 timescales which overlap this one. show
Interval boundaries marked with * have been interpolated based on the differences between the ages for international timescale boundaries quoted in the source and the currently accepted ages for those boundaries.
Interval names marked with † are no longer in current use.
This timescale is used in the definition of 358 collections
| International Chronostratigraphic Timescale | Mammal Paleogene Zones | Paleogene Mammal Ages of Asia | South American Land Mammal Ages | Obsolete Names for ICS Units | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Quaternary | Holocene | Meghalayan | 0 | |||||||
| Northgrippian | 0.0042 | |||||||||
| Greenlandian | 0.0082 | |||||||||
| Pleistocene | Late Pleistocene | Lujanian | 0.0117 | |||||||
| Chibanian | 0.129 | |||||||||
| Ensenadan | 0.3 * | |||||||||
| Calabrian | 0.774 | |||||||||
| Sanandresian | Uquian † | 1.7 * | ||||||||
| Gelasian | 1.8 | |||||||||
| Neogene | Pliocene | Piacenzian | Vorohuean | Tertiary † | 2.58 | |||||
| Chapadmalalan | 2.9 * | |||||||||
| Zanclean | 3.6 | |||||||||
| Montehermosan | 3.7 * | |||||||||
| Huayquerian | 4.9 * | |||||||||
| Miocene | Messinian | 5.333 | ||||||||
| Tortonian | 7.246 | |||||||||
| Chasicoan | 7.9 * | |||||||||
| Mayoan | 9.9 * | |||||||||
| Laventan | 10.9 * | |||||||||
| Serravallian | 11.63 | |||||||||
| Colloncuran | 13.7 * | |||||||||
| Langhian | 13.82 | |||||||||
| Friasian | 15.4 * | |||||||||
| Burdigalian | 15.98 | |||||||||
| Santacrucian | 16.2 * | |||||||||
| Colhuehuapian | 17.4 * | |||||||||
| Aquitanian | 20.44 | |||||||||
| Deseadan | 20.9 * | |||||||||
| Paleogene | Oligocene | Chattian | MP 30/MP 29/MP 28/MP 27/MP 26 | MP 25 | Tabenbulakian | Hsandagolian | 23.03 | |||
| Rupelian | MP 24/MP 23/MP 22/MP 21 | Kekeamuan | 27.82 | |||||||
| Tinguirirican | 28.9 * | |||||||||
| Eocene | Priabonian | MP 20/MP 19/MP 18/MP 17B/MP 17A | Houldjinian/Ergilian/Ulangochuian | 33.9 | ||||||
| Divisaderan | 35.9 * | |||||||||
| Bartonian | MP 16 | Sharamurunian/Irdinmanhan/Arshantan | 37.71 | |||||||
| Lutetian | MP 15/MP 14/MP 13/MP 12/MP 11 | 41.2 | ||||||||
| Mustersan | 41.9 * | |||||||||
| Ypresian | MP 10/MP 8 + 9/MP 7 | Bumbanian | 47.8 | |||||||
| Casamayoran | 47.9 * | |||||||||
| Paleocene | Thanetian | MP 6 | MP 1 - 5 | Gashatan | Riochican | 56 | ||||
| Itaboraian | 56.9 * | |||||||||
| Peligran | 58.9 * | |||||||||
| Selandian | 59.2 | |||||||||
| Danian | 61.6 | |||||||||
| Tiupampan | 62.4 * | |||||||||
| 66 | ||||||||||