Bumbanian age

56 - 47.8 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 8 timescales which overlap this one. show

This interval is used in the definition of 5 collections

A total of 4963 collections with 39186 occurrences lie within this time span

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International Chronostratigraphic TimescalePaleogene Mammal Ages of AsiaNorth American Mammal Subages/Zones
18.5
PaleogeneOligoceneChattianTabenbulakianHsandagolianlate Late Arikareean/early Late Arikareean/late Early Arikareean/early Early ArikareeanHarrisonian23.03
Monroecreekian23.1 *
Geringian24.7 *
RupelianKekeamuan27.82
29.5
EocenePriabonianHouldjinian/Ergilian/UlangochuianLate Chadronian/Middle Chadronian/Early Chadronian33.9
37
BartonianSharamurunian/Irdinmanhan/Arshantan37.71
Late Uintan/Early Uintan39.7
Lutetian41.2
Twinbuttean/Blacksforkian/Gardnerbuttian46.2
YpresianBumbanian47.8
Lostcabinian/Lysitean/Graybullian/Sandcouleean50.5
Cf3/Cf2/Cf154.9
PaleoceneThanetianGashatan56
Ti6/Ti5/Ti4/Ti3/Ti2/Ti156.2
Selandian59.2
To3/To2/To160.9
Danian61.6
Pu3/Pu2/Pu163.8
66