Early Oligocene subepoch
33.9 - 27.82 Ma
The definition of this interval in the timescale Cenozoic Subepochs is taken from the following source:
- 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
There are intervals in 7 timescales which overlap this one. show
This interval is used in the definition of 771 collections
A total of 2804 collections with 23105 occurrences lie within this time span
International Chronostratigraphic Timescale | Cenozoic Subepochs | North American Land Mammal Ages | |||
---|---|---|---|---|---|
Quaternary | Holocene | Meghalayan | Saintaugustinean | 0 | |
Santarosean | 0.0004 | ||||
Northgrippian | 0.0042 | ||||
Greenlandian | 0.0082 | ||||
Pleistocene | Late Pleistocene | Late Pleistocene | 0.0117 | ||
Rancholabrean | 0.014 | ||||
Chibanian | Middle Pleistocene | 0.129 | |||
Irvingtonian | 0.21 | ||||
Calabrian | Early Pleistocene | 0.774 | |||
Blancan | 1.4 | ||||
Gelasian | 1.8 | ||||
Neogene | Pliocene | Piacenzian | Late Pliocene | 2.58 | |
Zanclean | Early Pliocene | 3.6 | |||
Hemphillian | 4.7 | ||||
Miocene | Messinian | Late Miocene | 5.333 | ||
Tortonian | 7.246 | ||||
Clarendonian | 9.4 | ||||
Serravallian | Middle Miocene | 11.63 | |||
Barstovian | 12.5 | ||||
Langhian | 13.82 | ||||
Burdigalian | Early Miocene | 15.98 | |||
Hemingfordian | 16.3 | ||||
Arikareean | 18.5 | ||||
Aquitanian | 20.44 | ||||
Paleogene | Oligocene | Chattian | Late Oligocene | 23.03 | |
Rupelian | Early Oligocene | 27.82 | |||
Whitneyan | 29.5 | ||||
Orellan | 31.8 | ||||
Eocene | Priabonian | Late Eocene | Chadronian | 33.9 | |
Duchesnean | 37 | ||||
Bartonian | Middle Eocene | 37.71 | |||
Uintan | 39.7 | ||||
Lutetian | 41.2 | ||||
Bridgerian | 46.2 | ||||
Ypresian | Early Eocene | 47.8 | |||
Wasatchian | 50.5 | ||||
Clarkforkian | 54.9 | ||||
Paleocene | Thanetian | Late Paleocene | 56 | ||
Tiffanian | 56.2 | ||||
Selandian | Middle Paleocene | 59.2 | |||
Torrejonian | 60.9 | ||||
Danian | Early Paleocene | 61.6 | |||
Puercan | 63.8 | ||||
66 |