Random triples
| Subject | Object |
|---|---|
| gptkb:Murex_(sea_snail) | lamellae |
| gptkb:Kosmoceratidae | tuberculate |
| gptkb:Placenticeras | weakly ribbed |
| gptkb:Leptaena | growth lines |
| gptkb:Cymatoceras | ribbed |
| gptkb:Murex_(sea_snail) | varices |
| gptkb:Hildoceras | ribbed |
| gptkb:Lytoceras | ribbed |
| gptkb:Hildoceras_bifrons | ribbed |
| gptkb:Perisphinctes | ribbed |
| gptkb:Lytoceras | smooth |
| gptkb:Rhynchonellida | strongly ribbed |
| gptkb:Paracymatoceras | ribbed |
| gptkb:Cymatoceratidae | ribbed |
| gptkb:Mortoniceras | tuberculate |
| gptkb:Aspidoceras | ribbed |
| gptkb:Murex_(sea_snail) | spines |
| gptkb:Placenticeras | smooth |
| gptkb:Oxynoticeratidae | smooth or weakly ribbed |
| gptkb:Aspidoceras | tuberculate |