Random triples
| Subject | Object |
|---|---|
| gptkb:K-T_extinction_hypothesis | extinction of many marine reptiles |
| gptkb:K-T_extinction_hypothesis | mass extinction of non-avian dinosaurs |
| gptkb:Alvarez_hypothesis_(dinosaur_extinction) | gptkb:Cretaceous–Paleogene_extinction_event |
| gptkb:K-T_extinction_hypothesis | extinction of ammonites |