Late Triassic

E196698

The Late Triassic was a geologic period and epoch, roughly 237–201 million years ago, marked by the diversification of early dinosaurs and the end-Triassic mass extinction that paved the way for Jurassic ecosystems.

All labels observed (5)

Label Occurrences
Late Triassic canonical 15
Upper Triassic 2
Late Triassic Epoch 1

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf epoch ⓘ
geologic period ⓘ
chronostratigraphicUnit Upper Triassic Series ⓘ
climate generally warm ⓘ
seasonally arid in many regions ⓘ
contains Carnian ⓘ
Norian ⓘ
Rhaetian ⓘ
dominantTerrestrialVertebrates early dinosaurs ⓘ
non-dinosaurian archosaurs ⓘ
therapsids in some regions ⓘ
endBoundary Rhaetian age ⓘ
endTime approximately 201 million years ago ⓘ
flora conifers ⓘ
ginkgophytes ⓘ
seed ferns ⓘ
followedBy Hettangian ⓘ
linked to: Hettangian stage
follows Middle Triassic ⓘ
geochronologicUnit Late Triassic Epoch ⓘ
linked to: Late Triassic
majorEvent diversification of early dinosaurs ⓘ
diversification of marine reptiles ⓘ
end-Triassic mass extinction ⓘ
evolution of first true crocodile-line archosaurs ⓘ
origin and diversification of pterosaurs ⓘ
radiation of early mammals ⓘ
marineLife ammonoids ⓘ
bivalves ⓘ
conodonts ⓘ
ichthyosaurs ⓘ
plesiosaurs (late in the interval) ⓘ
massExtinction end-Triassic extinction event ⓘ
massExtinctionConsequence ecological expansion of dinosaurs in the Jurassic ⓘ
massExtinctionImpact decline of many archosaur groups ⓘ
severe losses in marine faunas ⓘ
massExtinctionSeverity one of the five largest Phanerozoic mass extinctions ⓘ
massExtinctionTiming at or near the Triassic–Jurassic boundary ⓘ
ocean Panthalassa Ocean dominant ⓘ
Tethys Ocean extensive in low latitudes ⓘ
linked to: Tethys Ocean
paleogeography supercontinent Pangaea largely intact ⓘ
partOf Mesozoic Era ⓘ
Triassic ⓘ
precededBy Anisian ⓘ
Ladinian ⓘ
precedes Early Jurassic ⓘ
startBoundary Carnian age ⓘ
startTime approximately 237 million years ago ⓘ
stratigraphicBoundaryDefinition Global Boundary Stratotype Section and Point (GSSP) used for stage limits ⓘ
timeScale Mesozoic Era ⓘ
usedIn International Chronostratigraphic Chart ⓘ

How these facts were elicited

Referenced by (20)

Full triples — surface form annotated when it differs from this entity's canonical label.

Early Jurassic → follows → Late Triassic ⓘ
Triassic → subdividedInto → Late Triassic ⓘ
Watchung Mountains → geologicalPeriod → Late Triassic ⓘ
Palisades → hasGeologicalAge → Late Triassic ⓘ
Late Triassic → geochronologicUnit → Late Triassic Epoch ⓘ
linked to: Late Triassic
Jasper Forest → geologicalAge → Late Triassic ⓘ
Coelophysis → geologicalPeriod → Late Triassic ⓘ
Mercia Mudstone Group → geologicPeriod → Late Triassic ⓘ
Keuper → geologicTimePeriod → Upper Triassic ⓘ
linked to: Late Triassic
Keuper → age → Late Triassic ⓘ
Rhaetian age → partOf → Late Triassic epoch ⓘ
linked to: Late Triassic
Rhaetian Stage → partOf → Upper Triassic Series ⓘ
linked to: Late Triassic
Rhaetian Stage → isFinalStageOf → Late Triassic ⓘ
Middle Triassic → precedes → Late Triassic ⓘ
subject linked to: Middle Tr.
Monitor Butte Member → geologicAge → Late Triassic ⓘ
Sonsela Member → geologicPeriod → Late Triassic ⓘ
Sonsela Member → chronostratigraphicUnit → Upper Triassic ⓘ
linked to: Late Triassic
Owl Rock Member → geologicAge → Late Triassic ⓘ
Chinle Valley → geologicalAge → Late Triassic ⓘ