Statements (30)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological formation
|
| gptkbp:climate |
generally arid
|
| gptkbp:discoveredBy |
gptkb:Sir_Roderick_Murchison
|
| gptkbp:dividedInto |
gptkb:Cisuralian
gptkb:Guadalupian gptkb:Lopingian |
| gptkbp:duration |
47 million years
|
| gptkbp:endDate |
251.9 million years ago
|
| gptkbp:extinct |
largest mass extinction in Earth's history
|
| gptkbp:extinctionPercentage |
about 70% of terrestrial vertebrate species
about 90% of marine species |
| gptkbp:firstDescribed |
1841
|
| gptkbp:followedBy |
Triassic
|
| https://www.w3.org/2000/01/rdf-schema#label |
Permian
|
| gptkbp:majorLifeForms |
gptkb:gymnosperms
amphibians reptiles synapsids |
| gptkbp:marineLife |
gptkb:fusulinids
brachiopods ammonoids |
| gptkbp:namedAfter |
gptkb:Perm,_Russia
|
| gptkbp:notableEvent |
gptkb:Permian–Triassic_extinction_event
|
| gptkbp:partOf |
gptkb:Paleozoic_Era
|
| gptkbp:precededBy |
gptkb:Carboniferous
|
| gptkbp:startDate |
298.9 million years ago
|
| gptkbp:supercontinent |
gptkb:Pangaea
|
| gptkbp:bfsParent |
gptkb:Pennsylvanian
gptkb:Carboniferous |
| gptkbp:bfsLayer |
5
|