Species
Holograptus expansus Holm, 1881
Synonyymit
1881 Holograptus expansus — Holm , fig. 13:1
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Graptoloidea |
| Suborder | Dichograptina |
| Family | Dichograptidae |
| Genus | Holograptus |
| Species | expansus |