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: Lutetian age, Bartonian age, Ypresian age, Eocene epoch
- Cenozoic Subepochs: Middle Eocene subepoch, Early Eocene subepoch
- Mammal Paleogene Zones: MP 16 zone, MP 15 zone, MP 8 + 9 zone, MP 13 zone, MP 12 zone, MP 7 zone, MP 14 zone, MP 11 zone, MP 10 zone
- Paleogene Mammal Ages of Asia: Irdinmanhan age, Bumbanian age, Arshantan age
- North American Land Mammal Ages: Duchesnean age, Uintan age, Bridgerian age, Wasatchian age
- North American Mammal Subages/Zones: Gardnerbuttian subage, Blacksforkian subage, Twinbuttean subage, Late Uintan subage, Lostcabinian subage, Lysitean subage, Early Uintan subage, Graybullian subage, Sandcouleean subage
- South American Land Mammal Ages: Casamayoran age, Mustersan age, Divisaderan age
- Calcareous Nannoplankton Zones: NP16 zone, NP10 zone, NP13 zone, NP17 zone, NP14 zone, NP15 zone, NP12 zone, NP11 zone
- Planktic Foraminiferal Zones: M. crassatus HOZ zone, A. sibaiyaensis LOZ zone, M. velascoensis PRZ zone, M. formosa LOZ zone, A. cuneicamerata LOZ zone, A. topilensis PRZ zone, M. lehneri PRZ zone, M. marginodentata PRZ zone, G. semiinvoluta HOZ zone, G. nuttalli LOZ zone, G. kugleri/M. aragonensis CRZ zone, P. wilcoxensis/M. velascoensis CRZ zone, A. pentacamerata PRZ zone, G. pseudomenardii TRZ zone, O. beckmanni TRZ zone, M. aragonensis/M. subbotinae CRZ zone
- Geomagnetic Polarity Chrons: C20 chron, C23 chron, C19 chron, C24 chron, C22 chron, C18 chron, C21 chron, C17 chron
- Cretaceous-Cenozoic of New Zealand: Mangaorapan age, Waipawan age, Dannevirke epoch, Kaiatan age, Porangan age, Arnold epoch, Bortonian age, Heretaungan age
This interval is used in the definition of 21 collections
A total of 12775 collections with 119364 occurrences lie within this time span