Genus
Gyroplacosteus Obrutschev 1930
List of species
1. Gyroplacosteus panderi Obrutschev 1932 | Dubniki Stage
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Chordata |
| Subphylum | Vertebrata |
| Organism group | Gnathostomata |
| Class | Placodermi |
| Order | Arthrodira |
| Suborder | Actinolepidoidei |
| Phlyctaenioidei | |
| Superfamily | Buchanosteoidae |
| Dunkleosteoidea | |
| Eubrachythoraci | |
| Family | Phyllolepidae |
| Genus | Eukaia |
| Gyroplacosteus | |
| Species | panderi |
| Genus | Sedowichthys |