Random triples
| Subject | Object |
|---|---|
| gptkb:Ostrea | calcium carbonate |
| gptkb:Glyptodonts | osteoderms |
| gptkb:Chonetes | calcium carbonate |
| gptkb:Unionidae | calcium carbonate |
| gptkb:Polyplacophora | aragonite |
| gptkb:Mytilidae | calcium carbonate |
| gptkb:Craniida | calcareous |
| gptkb:Nautilus_(genus) | aragonite |
| gptkb:Elphidium | calcium carbonate |
| gptkb:Terebratulidina | calcium carbonate |
| gptkb:Fusulinid_foraminifera | calcium carbonate |
| gptkb:Freshwater_Mussels | Calcium Carbonate |
| gptkb:Mytilus_(genus) | calcium carbonate |
| gptkb:Crania | calcareous |
| gptkb:Athyridida | calcium carbonate |
| gptkb:Eastern_oyster | calcium carbonate |
| gptkb:Terebratula | calcium carbonate |
| gptkb:Veneridae | calcium carbonate |
| gptkb:Inoceramus | gptkb:calcite |
| gptkb:Textularia | agglutinated |