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 (4)

Label Occurrences
Middle Triassic canonical 8
Middle Triassic Series 3
Early Triassic 1

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf geologic epoch ⓘ
associatedWith 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 Series ⓘ
linked to: Middle Triassic
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 Early Triassic ⓘ
linked to: Middle Triassic
followsEvent 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 Period ⓘ
linked to: Triassic
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 geologic time scale ⓘ

How these facts were elicited

Referenced by (13)

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

Triassic → subdividedInto → Middle Triassic ⓘ
Middle Triassic → follows → Early Triassic ⓘ
linked to: Middle Triassic
Middle Triassic → correspondsTo → Middle Triassic Series ⓘ
linked to: Middle Triassic
Hawkesbury Sandstone → age → Middle Triassic ⓘ
Monte San Giorgio → geologicalPeriod → Middle Triassic ⓘ
Anisian → partOf → Middle Triassic ⓘ
Ladinian → partOf → Middle Triassic ⓘ
Global Boundary Stratotype Section and Point for the base of the Anisian → definesBaseOf → Middle Triassic Series ⓘ
linked to: Middle Triassic
Deşli Caira section → definesBoundaryOf → Middle Triassic ⓘ
subject linked to: Deşli Caira section, Romania
Middle Triassic → alsoKnownAs → Middle Triassic Series ⓘ
subject linked to: Middle Tr.
linked to: Middle Triassic
Middle Triassic → alsoKnownAs → Middle Triassic Epoch ⓘ
subject linked to: Middle Tr.
linked to: Middle Triassic