Genus
Xylonograptus Sennikov, 1976
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Dendroidea |
| Family | Acanthograptidae |
| Genus | Acanthograpsus |
| Coremagraptus | |
| Dictyonema | |
| Koremagraptus | |
| Xylonograptus |