Species
Archiclimacograptus antiquus (Lapworth, 1873)
Synonymy list
1880     Climacograptus antiquus — Lapworth 
2017     Archiclimacograptus cf. antiquus (Lapworth, 1873) — Chen, X. et al. , pp. 287, fig. Figs. 6-82A; 6-83I)
Selection of related publications
Suyarkova, A. A., Koren', T. N. 2009. Advances in the Ordovician graptolite biostratigraphy of the St Petersburg area, Russia.  Estonian Journal of Earth Sciences   58,   1,   3-9. DOI:10.313176/earth.2009.1.01
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Hemichordata | 
| Class | Pterobranchia | 
| Subclass | Graptolithina | 
| Order | Graptoloidea | 
| Suborder | Axonophora | 
| Infraorder | Diplograptina | 
| Family | Diplograptidae | 
| Subfamily | Diplograptinae | 
| Genus | Archiclimacograptus | 
| Species | angulatus | 
| antiquus | |
| Subspecies | Climacograptus antiquus lineatus | 
| Species | balticus | 
| caelatus | |
| decoratus | |
| marathonensis | |
| micidus | |
| modestus | |
| osloensis | |
| riddellensis | |
| sebyensis | |
| skagensis |