Genus
Calamograptus Clark, 1924
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Graptoloidea |
| Suborder | Dichograptina |
| Family | Dichograptidae |
| Didymograptidae | |
| Pterograptidae | |
| Genus | Calamograptus |