Random triples
| Subject | Object |
|---|---|
| gptkb:Silurian_period | no major extinction event |
| gptkb:Late_Devonian | gptkb:Hangenberg_Event |
| gptkb:Late_Ordovician_period | second largest extinction event in Earth's history |
| gptkb:Devonian_Period | gptkb:Late_Devonian_extinction |
| gptkb:Late_Devonian | gptkb:Kellwasser_Event |
| gptkb:dinosaur | gptkb:end-Triassic_extinction_event |