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gptkbp:instanceOf
|
geological formation
|
|
gptkbp:characterizedBy
|
arid climate
diversification of reptiles
formation of Pangaea
decline of amphibians
expansion of gymnosperms
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gptkbp:climate
|
extreme seasonal variation
generally dry
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gptkbp:contains
|
gptkb:Cisuralian_Epoch
gptkb:Guadalupian_Epoch
gptkb:Lopingian_Epoch
|
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gptkbp:continent
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gptkb:Pangaea
|
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gptkbp:discoveredBy
|
gptkb:Sir_Roderick_Murchison
|
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gptkbp:duration
|
about 47 million years
|
|
gptkbp:endDate
|
251.9 million years ago
|
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gptkbp:extinct
|
gptkb:Permian-Triassic_extinction_event
|
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gptkbp:extinctionEventDate
|
about 251.9 million years ago
|
|
gptkbp:extinctionEventImpact
|
about 70% terrestrial vertebrate species extinct
over 90% marine species extinct
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|
gptkbp:firstDescribed
|
1841
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gptkbp:followedBy
|
gptkb:Triassic_Period
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|
https://www.w3.org/2000/01/rdf-schema#label
|
Permian Period
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gptkbp:marineLife
|
corals
bryozoans
brachiopods
crinoids
ammonoids
trilobites (declining)
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gptkbp:namedAfter
|
gptkb:Perm,_Russia
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gptkbp:notableSite
|
gptkb:Dimetrodon
gptkb:Amphibian_temnospondyls
gptkb:Captorhinid
gptkb:Dicynodont
gptkb:Fusulinid_foraminifera
gptkb:Parareptilia
gptkb:Sphenacodont
gptkb:dinosaur
gptkb:Glossopteris
gptkb:Mesosaurus
gptkb:Gorgonopsid
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gptkbp:partOf
|
gptkb:Paleozoic_Era
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gptkbp:precededBy
|
gptkb:Carboniferous_Period
|
|
gptkbp:recognizedBy
|
gptkb:International_Commission_on_Stratigraphy
|
|
gptkbp:significance
|
gptkb:end_of_Paleozoic_Era
largest mass extinction in Earth's history
|
|
gptkbp:significantEvent
|
gptkb:Permian-Triassic_extinction_event
|
|
gptkbp:startDate
|
298.9 million years ago
|
|
gptkbp:stratotypeLocation
|
gptkb:Russia
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gptkbp:bfsParent
|
gptkb:Paleozoic_Era
gptkb:Phanerozoic_Eon
gptkb:Permian-Triassic_extinction_event
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gptkbp:bfsLayer
|
6
|