Genus
Prionocheilus Rouault, 1847
Aiheeseen liittyvät julkaisut
Hoel, O. A. 2009. The post-cephalic morphology of the middle Ordovician trilobite Prionocheilus narinosus from the central Oslo Region, Norway. Norsk Geologisk Tidsskrift 89, 3, 247-249.
List of species
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Phacopida |
| Suborder | Calymenina |
| Family | Pharostomatidae |
| Genus | Pharostoma |
| Prionocheilus | |
| Species | narinosus |
| Genus | Ptychometopus |