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.
Schmidt, F 1886. Über einige neue ostsibirische Trilobiten und verwandte Thierformen. Bulletin de l'Académie impériale des sciences de St.-Pétersbourg 30, 501-512, pl. 30.
List of species
1. Pentagnostus praecurrens (Westergård, 1936) | Cambrian
Luokittelu
| Organism group | Biota |
| Domain | Eukaryota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Order | Agnostida |
| Family | Ptychagnostidae |
| Genus | Acidusus |
| Goniagnostus | |
| Onymagnostus | |
| Pentagnostus | |
| Species | czekanovskii |
| praecurrens | |
| Genus | Ptychagnostus |
| Tomagnostus | |
| Triplagnostus | |
| unranked | Lejopyge |