Genus
Trilobagnostus Harrington, 1938
List of species
1. Trilobagnostus holmi (Westergård, 1922) | Furongian
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Agnostida |
| Suborder | Agnostina |
| Family | Agnostidae |
| Genus | Agnostus |
| Homagnostus | |
| Lotagnostus | |
| Trilobagnostus | |
| rudis | |
| Species | holmi |