Middle Triassic
E201670
The Middle Triassic is the middle epoch of the Triassic Period, marked by the recovery of life after the end-Permian mass extinction and the early diversification of dinosaurs and marine reptiles.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Middle Triassic canonical | 3 |
| Early Triassic | 1 |
| Middle Triassic Series | 1 |
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | geologic epoch ⓘ |
| associatedWith |
supercontinent Pangaea
ⓘ
surface form:
Pangaea supercontinent configuration
generally warm and seasonally arid climate ⓘ |
| bioticTrend | transition from disaster faunas to more complex ecosystems ⓘ |
| characterizedBy |
development of modern-style marine ecosystems
ⓘ
diversification of marine reptiles ⓘ early diversification of dinosaurs ⓘ expansion of reef ecosystems ⓘ radiation of ammonoids ⓘ radiation of bivalves ⓘ radiation of conodonts ⓘ recovery of life after the end-Permian mass extinction ⓘ stabilization of global climate after Early Triassic extremes ⓘ |
| chronostratigraphicUnit | series ⓘ |
| containsFirstAppearance |
early true dinosaurs
ⓘ
many marine reptile clades ⓘ |
| correspondsTo |
Middle Triassic
self-linksurface differs
ⓘ
surface form:
Middle Triassic Series
|
| definedBy | Global Boundary Stratotype Section and Point for the base of the Anisian ⓘ |
| end | approximately 237 million years ago ⓘ |
| endUncertainty | ±1.0 million years ⓘ |
| follows |
Middle Triassic
self-linksurface differs
ⓘ
surface form:
Early Triassic
|
| followsEvent |
Permian–Triassic mass extinction
ⓘ
surface form:
end-Permian mass extinction
|
| geochronologicUnit | epoch ⓘ |
| GSSPBaseLocatedAt | Deşli Caira section, Romania ⓘ |
| hasAbbreviation | Middle Tr. ⓘ |
| hasColorOnGeologicChart | light green ⓘ |
| importantFossilGroups |
ammonoids
ⓘ
archosaurs ⓘ conodonts ⓘ early dinosaurs ⓘ ichthyosaurs ⓘ nothosaurs ⓘ placodonts ⓘ therapsids ⓘ |
| paleoclimate | generally monsoonal patterns in many regions ⓘ |
| paleogeography | dominance of large continental interiors ⓘ |
| partOf |
Mesozoic Era
ⓘ
Triassic ⓘ
surface form:
Triassic Period
|
| positionInEra | middle epoch of the Triassic Period ⓘ |
| precedes | Late Triassic ⓘ |
| start | approximately 247.2 million years ago ⓘ |
| startUncertainty | ±1.0 million years ⓘ |
| subdividedInto |
Anisian
ⓘ
Ladinian ⓘ |
| timeScaleAuthority | International Commission on Stratigraphy ⓘ |
| usedIn |
International Chronostratigraphic Chart
ⓘ
surface form:
international geologic time scale
|
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Early Triassic
this entity surface form:
Middle Triassic Series