Species
Hypagnostus mammillatus (Brøgger, 1878)
Synonymy list
1878 Agnostus parvifrons Linnarsson var. mammillata — Brøgger , pp. 72, fig. 5:3a-d
1946 Hypagnostus parvifrons mammillatus (Brögger) — Westergård , pp. 45, fig. 5:2-4
2009 Hypagnostus mammillatus (Brøgger) — Weidner & Nielsen , pp. 263, fig. 14C
2023 Hypagnostus mammillatus (Brøgger, 1878) — Weidner et al. , pp. 56, fig. 30A-I
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Agnostida |
| Family | Spinagnostidae |
| Genus | Hypagnostus |
| Species | brevifrons |
| clipeus | |
| lingula | |
| mammillatus | |
| parvifrons | |
| truncatus |