Species
Acrograptus nicholsoni (Lapworth, 1875)
Synonymy list
1875 Didymograptus nicholsoni — Lapworth , pp. 644, fig. 33:5a-d
1937 Didymograptus nicholsoni Lapworth — Ekström , pp. 25, fig. 2:3-6
1973 Acrograptus nicholsoni (Lapworth) — Bouček , pp. 67, fig. 12:1-5, text-figs. 21a–f
2017 Acrograptus nicholsoni (Lapworth, 1875) — Chen, X. et al , pp. 102, fig. Figs. 6-3A–F; 6-4C
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Suborder | Sinograptina |
| Family | Sigmagraptidae |
| Genus | Acrograptus |
| Species | affinis |
| euodus | |
| filiformis | |
| gracilis | |
| nicholsoni | |
| pusillus |