Subspecies
Bienvillia tetragonalis broeggeri Henningsmoen, 1957
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Ptychopariida |
| Suborder | Olenina |
| Family | Olenidae |
| Genus | Bienvillia |
| Species | tetragonalis |
| Subspecies | broeggeri |