Random triples
| Subject | Object |
|---|---|
| gptkb:Spyroceras | orthoconic |
| gptkb:Leptaena_rhomboidalis | concavo-convex |
| gptkb:Oxynoticeras | discoidal |
| gptkb:Sphenodiscus | discoidal |
| gptkb:Leptaena_transversa | semicircular |
| gptkb:Discosorus | short, rapidly expanding, endogastric cyrtocone |
| gptkb:Mucrospirifer_mucronatus | biconvex |
| gptkb:Leptaena_rugosa | concavo-convex |