Statements (19)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:mass_extinction_event | 
| gptkbp:affects | marine life | 
| gptkbp:beganIn | 433 million years ago | 
| gptkbp:causedBy | climate change oceanic anoxia | 
| gptkbp:discoveredBy | paleontologists studying Gotland | 
| gptkbp:endedApproximately | 430 million years ago | 
| gptkbp:followedBy | gptkb:Lau_event gptkb:Mulde_event | 
| gptkbp:namedAfter | gptkb:Ireviken,_Gotland,_Sweden | 
| gptkbp:notableFor | extinction of trilobites extinction of conodonts extinction of graptolites | 
| gptkbp:occurredIn | gptkb:Silurian_period gptkb:Wenlock_epoch | 
| gptkbp:precededBy | gptkb:Ordovician-Silurian_extinction_event | 
| gptkbp:bfsParent | gptkb:Silurian_Period | 
| gptkbp:bfsLayer | 7 | 
| https://www.w3.org/2000/01/rdf-schema#label | Ireviken event |