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: Early Eocene subepoch, Middle Eocene subepoch
- Mammal Paleogene Zones: MP 16 zone, MP 14 zone, MP 13 zone, MP 7 zone, MP 12 zone, MP 8 + 9 zone, MP 10 zone, MP 11 zone, MP 15 zone
- Paleogene Mammal Ages of Asia: Bumbanian age, Arshantan age, Sharamurunian age
- North American Land Mammal Ages: Duchesnean age, Wasatchian age, Uintan age, Bridgerian age
- North American Mammal Subages/Zones: Sandcouleean subage, Lysitean subage, Graybullian subage, Blacksforkian subage, Late Uintan subage, Early Uintan subage, Twinbuttean subage, Lostcabinian subage, Gardnerbuttian subage
- South American Land Mammal Ages: Mustersan age, Divisaderan age, Casamayoran age
- Calcareous Nannoplankton Zones: NP14 zone, NP16 zone, NP13 zone, NP12 zone, NP17 zone, NP10 zone, NP11 zone, NP15 zone
- Planktic Foraminiferal Zones: M. formosa LOZ zone, M. lehneri PRZ zone, G. kugleri/M. aragonensis CRZ zone, A. cuneicamerata LOZ zone, M. velascoensis PRZ zone, M. crassatus HOZ zone, O. beckmanni TRZ zone, G. semiinvoluta HOZ zone, A. sibaiyaensis LOZ zone, A. pentacamerata PRZ zone, G. pseudomenardii TRZ zone, A. topilensis PRZ zone, M. marginodentata PRZ zone, G. nuttalli LOZ zone, P. wilcoxensis/M. velascoensis CRZ zone, M. aragonensis/M. subbotinae CRZ zone
- Geomagnetic Polarity Chrons: C19 chron, C22 chron, C23 chron, C17 chron, C20 chron, C21 chron, C24 chron, C18 chron
- Cretaceous-Cenozoic of New Zealand: Mangaorapan age, Kaiatan age, Dannevirke epoch, Bortonian age, Arnold epoch, Waipawan age, Porangan age, Heretaungan age
This interval is used in the definition of 11 collections
A total of 12776 collections with 119386 occurrences lie within this time span