Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:geological_period_boundary
|
| gptkbp:alsoKnownAs |
gptkb:P-T_boundary
|
| gptkbp:associatedWith |
gptkb:Permian-Triassic_extinction_event
|
| gptkbp:boundaryDefinedBy |
first appearance of conodont Hindeodus parvus
|
| gptkbp:boundaryTypeSection |
gptkb:Meishan,_China
|
| gptkbp:causesHypothesized |
climate change
volcanism methane release ocean anoxia |
| gptkbp:extinctionPercentage |
about 70% of terrestrial vertebrate species
about 90% of marine species |
| gptkbp:followedBy |
gptkb:Triassic_period
|
| gptkbp:location |
gptkb:event
|
| gptkbp:marksTransitionBetween |
gptkb:Triassic_period
gptkb:Permian_period |
| gptkbp:precededBy |
gptkb:Permian_period
|
| gptkbp:significance |
largest mass extinction in Earth's history
|
| gptkbp:startDate |
about 252 million years ago
|
| gptkbp:stratigraphicSignificance |
boundary between Paleozoic and Mesozoic eras
|
| gptkbp:studiedIn |
geology
paleontology |
| gptkbp:bfsParent |
gptkb:Putorana_Plateau
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
Permian-Triassic
|