Random triples
| Subject | Object |
|---|---|
| gptkb:Mortoniceras | ribbed |
| gptkb:Hammatoceratidae | ribbed |
| gptkb:Lytoceras | smooth |
| gptkb:Murex_(sea_snail) | spines |
| gptkb:Aspidoceras | tuberculate |
| gptkb:Kosmoceratidae | tuberculate |
| gptkb:Perisphinctes | ribbed |
| gptkb:Paracymatoceras | ribbed |
| gptkb:Kosmoceratidae | ribbed |
| gptkb:Murex_(sea_snail) | fronds |
| gptkb:Leptaena | growth lines |
| gptkb:Dumortieria | ribbed |
| gptkb:Murex_(sea_snail) | tubercles |
| gptkb:Leptaena | radiating ribs |
| gptkb:Cymatoceras | ribbed |
| gptkb:Desmoceras | smooth |
| gptkb:Aspidoceras | ribbed |
| gptkb:Hildoceras_bifrons | ribbed |
| gptkb:Murex_(sea_snail) | varices |
| gptkb:Oxynoticeratidae | smooth or weakly ribbed |