Paleogene
E8880
The Paleogene is a geologic period that marks the beginning of the Cenozoic Era, characterized by the diversification of mammals and birds following the mass extinction that ended the age of dinosaurs.
Observed surface forms (8)
| Surface form | Occurrences |
|---|---|
| Paleogene Period | 7 |
| Eocene | 3 |
| Eocene Epoch | 2 |
| Paleocene | 2 |
| Oligocene Epoch | 1 |
| Paleocene Epoch | 1 |
| Paleocene–Eocene Thermal Maximum | 1 |
| Paleogene period | 1 |
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
chronostratigraphic unit
ⓘ
geologic period ⓘ |
| abbreviation | Pg ⓘ |
| alsoKnownAs |
Paleogene
ⓘ
surface form:
Paleogene Period
|
| beginsAfter |
Cretaceous–Paleogene boundary
ⓘ
surface form:
Cretaceous–Paleogene extinction event
|
| characterizedBy |
cooling trend toward the Oligocene
ⓘ
development of modern plant groups ⓘ diversification of birds ⓘ diversification of mammals ⓘ recovery of ecosystems after mass extinction ⓘ warm global climates in early Paleogene ⓘ |
| contains |
Eocene–Oligocene climate transition
ⓘ
Paleogene self-linksurface differs ⓘ
surface form:
Paleocene–Eocene Thermal Maximum
|
| duration | about 43 million years ⓘ |
| end | 23.03 million years ago ⓘ |
| era | Cenozoic ⓘ |
| follows | Cretaceous ⓘ |
| geologicTimeScaleRank | period ⓘ |
| majorBirdGroups | modern bird lineages ⓘ |
| majorFlora |
angiosperms
ⓘ
grasses (late Paleogene expansion) ⓘ |
| majorMammalGroups |
carnivorans
ⓘ
early cetaceans ⓘ primates ⓘ ungulates ⓘ |
| marineLife |
evolution of early whales
ⓘ
radiation of modern fish groups ⓘ |
| partOf |
Cenozoic
ⓘ
surface form:
Cenozoic Era
|
| positionInEra | first period of the Cenozoic ⓘ |
| precedes | Neogene ⓘ |
| start | 66 million years ago ⓘ |
| subdividedInto |
Paleogene
self-linksurface differs
ⓘ
surface form:
Eocene
Oligocene ⓘ Paleogene self-linksurface differs ⓘ
surface form:
Paleocene
|
| tectonicEvents |
continued breakup of Gondwana
ⓘ
uplift of the Alps and Himalayas (ongoing) ⓘ |
| usedIn | International Commission on Stratigraphy time scale ⓘ |
Referenced by (24)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Paleogene Period
this entity surface form:
Paleocene–Eocene Thermal Maximum
this entity surface form:
Paleogene Period
this entity surface form:
Paleogene period
this entity surface form:
Eocene
this entity surface form:
Paleocene
this entity surface form:
Eocene
this entity surface form:
Paleogene Period
this entity surface form:
Paleogene Period
this entity surface form:
Paleogene Period
this entity surface form:
Eocene Epoch
this entity surface form:
Paleogene Period
this entity surface form:
Paleocene
this entity surface form:
Eocene
this entity surface form:
Paleogene Period