Species
Hypagnostus brevifrons (Angelin, 1851)
Synonyymit
1851 Agnostus brevifrons n. sp. — Angelin , pp. 6, fig. 6:4
2023 Hypagnostus brevifrons (Angelin, 1851) — Weidner et al. , pp. 52, fig. 28A–I
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Agnostida |
| Family | Spinagnostidae |
| Genus | Hypagnostus |
| Species | aff. correctus |
| brevifrons | |
| clipeus | |
| lingula | |
| mammillatus | |
| parvifrons | |
| truncatus |