Statements (32)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological formation
|
| gptkbp:characterizedBy |
gptkb:Antarctic_glaciation
expansion of grasslands global cooling evolution of early mammals |
| gptkbp:climate |
cooler and drier than Eocene
|
| gptkbp:contains |
gptkb:Chattian_Age
gptkb:Rupelian_Age |
| gptkbp:continent |
further drift toward modern positions
|
| gptkbp:duration |
about 11 million years
|
| gptkbp:endDate |
23.03 million years ago
|
| gptkbp:etymology |
from Greek 'oligos' (few) and 'kainos' (new)
|
| gptkbp:followedBy |
gptkb:Miocene_Epoch
|
| https://www.w3.org/2000/01/rdf-schema#label |
Oligocene Epoch
|
| gptkbp:marineLife |
diversification of mollusks
evolution of modern whales |
| gptkbp:namedFor |
gptkb:Heinrich_Beyrich
|
| gptkbp:notableSite |
early elephants
early horses anthropoid primates |
| gptkbp:partOf |
gptkb:Paleogene_Period
|
| gptkbp:precededBy |
gptkb:Eocene_Epoch
|
| gptkbp:significance |
marks transition to modern ecosystems
|
| gptkbp:significantEvent |
formation of Antarctic ice sheet
separation of South America and Antarctica |
| gptkbp:startDate |
33.9 million years ago
|
| gptkbp:terrestrialLife |
decline of archaic mammals
expansion of mammals |
| gptkbp:yearNamed |
1854
|
| gptkbp:bfsParent |
gptkb:Paleogene_Period
gptkb:Miocene_Epoch |
| gptkbp:bfsLayer |
6
|