Species
Glossograptus holmi Bulman, 1931
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Hemichordata | 
| Class | Pterobranchia | 
| Subclass | Graptolithina | 
| Order | Graptoloidea | 
| Suborder | Glossograptina | 
| Family | Glossograptidae | 
| Genus | Glossograptus | 
| Species | hincksii | 
| holmi | |
| ovatus |