Genus
Pentagnostus Lermontova, 1940
Aiheeseen liittyvät julkaisut
Rushton, A. W. A., Weidner, T. 2007. The Middle Cambrian paradoxidid trilobite Hydrocephalus from Jämtland, central Sweden. Acta Geologica Polonica 57, 4, 391-401.
List of species
1. Pentagnostus praecurrens (Westergård, 1936) | Cambrian
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Agnostida |
| Family | Ptychagnostidae |
| Genus | Acidusus |
| Goniagnostus | |
| Onymagnostus | |
| Pentagnostus | |
| Species | praecurrens |
| Genus | Ptychagnostus |
| Tomagnostus | |
| Triplagnostus | |
| unranked | Lejopyge |