Family
Clavagnostidae Howell, 1937
List of species
1. Aspidagnostus lunulosus Kryskov in Borovikov & Kryskov, 1963 | Furongian
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Agnostida |
| Suborder | Agnostina |
| Eodiscina | |
| Family | Clavagnostidae |
| Genus | Aspidagnostus |
| Family | Diplagnostidae |
| Glyptagnostidae | |
| Ptychagnostidae | |
| Spinagnostidae |