Homostius milleri Traquair 1888
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Chordata |
| Subphylum | Vertebrata |
| Organism group | Gnathostomata |
| Class | Placodermi |
| Order | Euarthrodira |
| Suborder | Coccosteina |
| Superfamily | Homostioidea |
| Family | Homostiidae |
| Genus | Homostius |
| Species | latus |
| sulcatus | |
| unranked | milleri |