Species
Traquairosteus pustulatus (Traquair, 1897)
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Chordata |
| Subphylum | Vertebrata |
| Superclass | Agnatha |
| Class | Pteraspidomorphi |
| Subclass | Heterostraci |
| Order | Pteraspidiformes |
| Suborder | Psammosteida |
| Family | Psammosteidae |
| Subfamily | Psammosteinae |
| Genus | Traquairosteus |
| Species | pustulatus |
| Traquairosteus? pectinatus | |
| Traquairosteus? ramosus |