Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
mass extinction event
|
| gptkbp:affects |
marine life
reef communities pelagic organisms shallow marine habitats |
| gptkbp:alsoKnownAs |
gptkb:Ordovician-Silurian_extinction_event
|
| gptkbp:causedBy |
gptkb:lake
climate change anoxia sea level fall |
| gptkbp:extinctionRate |
about 85% of marine species
|
| gptkbp:firstPhaseCause |
glaciation and sea level fall
|
| gptkbp:followedBy |
gptkb:Late_Devonian_extinction
|
| https://www.w3.org/2000/01/rdf-schema#label |
End-Ordovician extinction
|
| gptkbp:notableLoss |
bryozoans
brachiopods conodonts graptolites trilobites |
| gptkbp:occurredAround |
443 million years ago
|
| gptkbp:occurredIn |
gptkb:Ordovician_period
|
| gptkbp:period |
two
|
| gptkbp:precededBy |
gptkb:Great_Ordovician_Biodiversification_Event
|
| gptkbp:secondPhaseCause |
warming and sea level rise
|
| gptkbp:significance |
second largest mass extinction in Earth's history
|
| gptkbp:bfsParent |
gptkb:Ordovician-Silurian_extinction_event
|
| gptkbp:bfsLayer |
6
|