Genus
Lotagnostus Whitehouse, 1936
List of species
1. Lotagnostus americanus (Billings, 1860) | Furongian
2. Lotagnostus subtrisectus Westergård, 1944 | Furongian
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Agnostida |
| Suborder | Agnostina |
| Family | Agnostidae |
| Genus | Agnostus |
| Homagnostus | |
| Lotagnostus | |
| Species | americanus |
| subtrisectus | |
| Genus | Trilobagnostus |