Random triples
| Subject | Object |
|---|---|
| gptkb:Ammonoids | aragonite |
| gptkb:Rhynchonellata | calcium carbonate |
| gptkb:Productidina | calcium carbonate |
| gptkb:Glyptodonts | osteoderms |
| gptkb:Terebratulidina | calcium carbonate |
| gptkb:Monoplacophora | calcium carbonate |
| gptkb:Mytilidae | calcium carbonate |
| gptkb:Linguliformea | organophosphatic |
| gptkb:Fusulinid_foraminifera | calcium carbonate |
| gptkb:Nautilus_(genus) | aragonite |
| gptkb:Pinctada | nacre (mother of pearl) |
| gptkb:Craniidae | calcareous |
| gptkb:Mytilus | calcium carbonate |
| gptkb:Ammonites | aragonite |
| gptkb:Nautilidae | aragonite |
| gptkb:Elphidium | calcium carbonate |
| gptkb:Lingula | gptkb:calcium_phosphate |
| gptkb:Brachiopoda | calcium carbonate |
| gptkb:Fusulinata | calcium carbonate |
| gptkb:Ostrea | calcium carbonate |