Statements (34)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological period boundary event
|
| gptkbp:alsoKnownAs |
gptkb:Great_Dying
gptkb:Permian–Triassic_extinction_event |
| gptkbp:boundaryDefinedBy |
first appearance of conodont Hindeodus parvus
extinction horizon in marine strata |
| gptkbp:category |
mass extinction event
geological time boundary |
| gptkbp:cause |
gptkb:Siberian_Traps_eruptions
climate change ocean acidification volcanism anoxia methane release |
| gptkbp:date |
about 252 million years ago
|
| gptkbp:duration |
extinction lasted less than 1 million years
|
| gptkbp:effect |
decline of synapsids
reset of marine and terrestrial ecosystems proliferation of disaster taxa rise of archosaurs |
| gptkbp:estimatedSpeciesLost |
about 70% of terrestrial vertebrate species
over 90% of marine species |
| gptkbp:followedBy |
gptkb:Triassic–Jurassic_extinction_event
|
| https://www.w3.org/2000/01/rdf-schema#label |
Permian–Triassic
|
| gptkbp:location |
global
|
| gptkbp:notableSite |
gptkb:Meishan,_China
|
| gptkbp:occurredIn |
beginning of Triassic period
end of Permian period |
| gptkbp:precededBy |
Guadalupian–Lopingian boundary
|
| gptkbp:significance |
largest mass extinction event in Earth's history
|
| gptkbp:studiedBy |
geologists
paleontologists |
| gptkbp:bfsParent |
gptkb:Dicynodonts
gptkb:Dicynodontia |
| gptkbp:bfsLayer |
7
|