56 - 37.71 Ma
The definition of this interval in the timescale Paleogene Mammal Ages of Asia is taken from the following source:
- J. Meng and M. C. McKenna. 1998. Faunal turnovers of Paleogene mammals from the Mongolian Plateau. Nature 394:364-367 view
There are intervals in 11 timescales which overlap this one. show
- International Chronostratigraphic Timescale: Bartonian age, Lutetian age, Eocene epoch, Ypresian age
- Cenozoic Subepochs: Middle Eocene subepoch, Early Eocene subepoch
- Mammal Paleogene Zones: MP 10 zone, MP 14 zone, MP 13 zone, MP 15 zone, MP 8 + 9 zone, MP 11 zone, MP 7 zone, MP 16 zone, MP 12 zone
- Paleogene Mammal Ages of Asia: Bumbanian age, Arshantan age, Sharamurunian age
- North American Land Mammal Ages: Wasatchian age, Uintan age, Duchesnean age, Bridgerian age
- North American Mammal Subages/Zones: Lysitean subage, Twinbuttean subage, Late Uintan subage, Graybullian subage, Gardnerbuttian subage, Blacksforkian subage, Sandcouleean subage, Early Uintan subage, Lostcabinian subage
- South American Land Mammal Ages: Mustersan age, Casamayoran age, Divisaderan age
- Calcareous Nannoplankton Zones: NP11 zone, NP16 zone, NP12 zone, NP10 zone, NP15 zone, NP13 zone, NP14 zone, NP17 zone
- Planktic Foraminiferal Zones: M. lehneri PRZ zone, A. sibaiyaensis LOZ zone, M. aragonensis/M. subbotinae CRZ zone, G. nuttalli LOZ zone, A. topilensis PRZ zone, A. cuneicamerata LOZ zone, M. velascoensis PRZ zone, M. crassatus HOZ zone, A. pentacamerata PRZ zone, M. marginodentata PRZ zone, P. wilcoxensis/M. velascoensis CRZ zone, G. kugleri/M. aragonensis CRZ zone, M. formosa LOZ zone, G. semiinvoluta HOZ zone, G. pseudomenardii TRZ zone, O. beckmanni TRZ zone
- Geomagnetic Polarity Chrons: C17 chron, C21 chron, C18 chron, C20 chron, C19 chron, C22 chron, C23 chron, C24 chron
- Cretaceous-Cenozoic of New Zealand: Porangan age, Kaiatan age, Arnold epoch, Dannevirke epoch, Heretaungan age, Bortonian age, Waipawan age, Mangaorapan age
This interval is used in the definition of 11 collections
A total of 12778 collections with 119390 occurrences lie within this time span