Ordovician-Silurian extinction
GPTKB entity
Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:species
|
| gptkbp:bfsLayer |
5
|
| gptkbp:bfsParent |
gptkb:K-Pg_extinction
gptkb:Late_Devonian_extinction |
| gptkbp:affects |
gptkb:dinosaur
gptkb:opera gptkb:graptolites marine life |
| gptkbp:caused_by |
climate change
sea level fall |
| gptkbp:events |
gptkb:Late_Ordovician_extinction
two Early Silurian extinction |
| https://www.w3.org/2000/01/rdf-schema#label |
Ordovician-Silurian extinction
|
| gptkbp:lifespan |
approximately 85%
|
| gptkbp:occurs_in |
Silurian period
Ordovician period |