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