perekond
Triramograptus Erdtmann, 1998
Klassifikatsioon
| organismirühm | Biota |
| domeen | Eukaryota |
| riik | Animalia |
| hõimkond | Hemichordata |
| klass | Pterobranchia |
| alamklass | Graptolithina |
| selts | Graptoloidea |
| alamselts | Graptodendroidina |
| sugukond | Anisograptidae |
| perekond | Adelograptus |
| Ancoragraptus | |
| Anisograptus | |
| Aorograptus | |
| Araneograptus | |
| Bryograptus | |
| Chigraptus | |
| Choristograptus | |
| Heterograptus | |
| Hunnegraptus | |
| Kiaerograptus | |
| Paratemnograptus | |
| Psigraptus | |
| Radiograptus | |
| Rhabdinopora | |
| Sagenograptus | |
| Staurograptus | |
| Stellatograptus | |
| Toyenograptus | |
| Triograptus | |
| Triramograptus |