Late Ordovician mass extinction
GPTKB entity
Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
mass extinction event
|
| gptkbp:affects |
marine life
bryozoans brachiopods conodonts graptolites trilobites |
| gptkbp:alsoKnownAs |
gptkb:Ordovician–Silurian_extinction_event
|
| gptkbp:causedBy |
gptkb:lake
climate change anoxia sea level fall |
| gptkbp:causeOfExtinction |
about 85% of marine species
|
| gptkbp:followedBy |
gptkb:Silurian_period
|
| gptkbp:hasTwoPulses |
first pulse due to glaciation
second pulse due to deglaciation |
| https://www.w3.org/2000/01/rdf-schema#label |
Late Ordovician mass extinction
|
| gptkbp:location |
global
|
| gptkbp:occurredApproximately |
443 million years ago
|
| gptkbp:occurredIn |
gptkb:Ordovician_period
|
| gptkbp:precededBy |
gptkb:Great_Ordovician_Biodiversification_Event
|
| gptkbp:rank |
second largest mass extinction in Earth's history
|
| gptkbp:studiedBy |
paleontologists
|
| gptkbp:bfsParent |
gptkb:Great_Ordovician_Biodiversification_Event
|
| gptkbp:bfsLayer |
6
|