Maastrichtian

E73999
Upper Cretaceous stage chronostratigraphic stage geologic age

The Maastrichtian is the final stage of the Late Cretaceous period, marking the last interval of non-avian dinosaur dominance before the mass extinction event 66 million years ago.

Aliases (1)
Statements (48)
Predicate Object
instanceOf Upper Cretaceous stage →
chronostratigraphic stage →
geologic age →
associatedWith Cretaceous–Paleogene extinction event →
biostratigraphicMarkers ammonite zones →
planktonic foraminifera zones →
characterizedBy non-avian dinosaur dominance →
chronologicalRank stage →
climate generally warm greenhouse climate →
commonDeposits chalk →
limestone →
definedBy Global Boundary Stratotype Section and Point →
duration about 6.1 million years →
end approximately 66.0 million years ago →
endOf Cretaceous Period →
endsWith Cretaceous–Paleogene extinction event →
era Mesozoic Era →
follows Campanian →
geochronologicEquivalent Maastrichtian Age →
GSSPApprovalYear 1995 →
GSSPLocation Tercis-les-Bains, France →
importantFossilGroups ammonites →
dinosaurs →
foraminifera →
marine reptiles →
planktonic microfossils →
rudists →
lithostratigraphicCorrelation Maastricht Formation in the Netherlands →
majorExtinction ammonites →
many marine reptiles →
many planktonic foraminifera →
non-avian dinosaurs →
namedAfter Maastricht →
Maastricht, Netherlands →
notableEvent Chicxulub impact at its end →
partOf Cretaceous Period →
Late Cretaceous →
positionInCretaceous last stage of the Cretaceous →
positionInMesozoic last stage of the Mesozoic Era →
precedes Danian →
seaLevel high global sea levels →
series Upper Cretaceous Series →
start approximately 72.1 million years ago →
system Cretaceous System →
timeScale International Chronostratigraphic Chart →
usedIn geologic time scale →
paleontology →
stratigraphy →
Referenced by (3)
Subject (surface form when different) Predicate
Maastrichtian ("Maastrichtian Age") →
geochronologicEquivalent
FMNH PR 2081 →
geologicalAge
SUE the T. rex →
geologicalStage
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