Statements (73)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological formation
|
| gptkbp:characterizedBy |
gptkb:Antarctic_glaciation
expansion of grasslands global cooling evolution of early mammals |
| gptkbp:dividedInto |
gptkb:Rupelian
gptkb:Chattian |
| gptkbp:duration |
about 11 million years
|
| gptkbp:endDate |
about 23.03 million years ago
|
| gptkbp:fauna |
early primates
early horses early whales early bats early elephants (proboscideans) early rodents early apes early deer early insectivores early lagomorphs early marsupials early monkeys early pigs early rhinoceroses early aardvarks early anteaters early antelopes early armadillos early beavers early camels early carnivores early glyptodonts early golden moles early ground sloths early hares early hedgehogs early hyraxes early kangaroos early moles early notoungulates early opossums early pangolins early porcupines early rabbits early shrews early sloths early squirrels early tenrecs early toxodonts |
| gptkbp:flora |
decline of tropical forests
spread of grasses |
| gptkbp:followedBy |
gptkb:Eocene
|
| https://www.w3.org/2000/01/rdf-schema#label |
Oligocene
|
| gptkbp:marineLife |
diversification of cetaceans
evolution of early pinnipeds |
| gptkbp:namedFor |
gptkb:Heinrich_Ernst_Beyrich
|
| gptkbp:nameOrigin |
Greek words 'oligos' (few) and 'kainos' (new)
|
| gptkbp:partOf |
gptkb:Paleogene_Period
|
| gptkbp:precededBy |
gptkb:Miocene
|
| gptkbp:significantEvent |
formation of Antarctic ice sheet
decline of archaic mammals rise of modern mammal groups separation of South America and Antarctica |
| gptkbp:startDate |
about 33.9 million years ago
|
| gptkbp:bfsParent |
gptkb:Mysticeti
gptkb:Odontoceti gptkb:Protoceratidae gptkb:Eocene gptkb:Ischyromyidae gptkb:Mylagaulidae gptkb:Paramyidae gptkb:Catarrhini gptkb:Pinniped |
| gptkbp:bfsLayer |
5
|