Devonian Period

E91781
geological period stratigraphic unit

The Devonian Period was a division of the Paleozoic Era characterized by the diversification of fish, the first significant colonization of land by plants and early tetrapods, and major reef-building in the oceans.

Jump to: Surface forms Statements Referenced by

Observed surface forms (3)

Surface form Occurrences
Devonian period 3
Devonian 1
Frasnian 1

Statements (51)

Predicate Object
instanceOf geological period ⓘ
stratigraphic unit ⓘ
characterizedBy diversification of fish ⓘ
early tetrapod evolution ⓘ
first significant colonization of land by plants ⓘ
major reef-building in oceans ⓘ
climate generally warm ⓘ
high sea levels ⓘ
containsAge Eifelian ⓘ
Emsian ⓘ
Famennian ⓘ
Devonian Period self-linksurface differs ⓘ
surface form: Frasnian

Givetian ⓘ
Lochkovian ⓘ
Pragian ⓘ
definedBy International Commission on Stratigraphy ⓘ
duration about 60 million years ⓘ
end about 359 million years ago ⓘ
endedWith Late Devonian extinction ⓘ
surface form: Late Devonian extinction events
follows Silurian ⓘ
surface form: Silurian Period
hasSubdivision Early Devonian ⓘ
Late Devonian ⓘ
Middle Devonian ⓘ
marineLife ammonoid cephalopod radiation ⓘ
lobe-finned fish diversification ⓘ
placoderm fish diversification ⓘ
ray-finned fish diversification ⓘ
rugose coral reefs ⓘ
stromatoporoid reefs ⓘ
tabulate coral reefs ⓘ
massExtinction Late Devonian extinction ⓘ
surface form: Frasnian–Famennian extinction event

Late Devonian extinction ⓘ
surface form: Hangenberg event

Kellwasser events ⓘ
namedAfter Devon ⓘ
surface form: Devon, England
namedBy Adam Sedgwick ⓘ
Roderick Murchison ⓘ
nicknamed Age of Fishes ⓘ
paleogeography Acadian orogeny ⓘ
Gondwana ⓘ
surface form: Gondwana supercontinent

Laurussia continent ⓘ
Variscan orogeny initiation ⓘ
closing of Iapetus Ocean ⓘ
partOf Paleozoic Era ⓘ
precedes Carboniferous period ⓘ
surface form: Carboniferous Period
start about 419 million years ago ⓘ
terrestrialLife arthropod colonization of land ⓘ
early forests ⓘ
early tetrapods ⓘ
first seed plants ⓘ
vascular plant diversification ⓘ
typeLocality Devon ⓘ
surface form: Devon, England

Referenced by (10)

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

Paleozoic Era → contains → Devonian Period ⓘ
Phanerozoic Eon → contains → Devonian Period ⓘ
Devonian Period → containsAge → Devonian Period self-linksurface differs ⓘ
this entity surface form: Frasnian
closure of Iapetus Ocean → endTime → Devonian Period ⓘ
Carboniferous period → follows → Devonian Period ⓘ
this entity surface form: Devonian period
Devonian Fossil Gorge → geologicAge → Devonian Period ⓘ
this entity surface form: Devonian period
Petoskey stones → geologicalPeriod → Devonian Period ⓘ
this entity surface form: Devonian
Agnatha → highDiversityIn → Devonian Period ⓘ
this entity surface form: Devonian period
Early Devonian → partOf → Devonian Period ⓘ