Species
Acanthograptus impar Bulman et Rickards, 1966
Synonymy list
1966     Acanthograptus impar sp. nov. — Bulman et Rickards , pp. 32-36, fig. 23-25
Selection of related publications
Bulman, O. M. B., Rickards, R. B. 1966. A Revision of Wiman's Dendroid and Tuboid Graptolites.  Bulletin of the Geological Institutions of the University of Uppsala   43,   6-8,   1-72.  University of Uppsala. 
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Hemichordata | 
| Class | Pterobranchia | 
| Subclass | Graptolithina | 
| Order | Dendroidea | 
| Family | Acanthograptidae | 
| Genus | Acanthograpsus | 
| Species | Acanthograptus divergens | 
| Acanthograptus impar | |
| Acanthograptus musciformis | |
| Acanthograptus roomusoksi | |
| Acanthograptus suecicus | 
References based on distribution
- Bulman & Rickards, 1966 Öjle Myr, Gotland Upper Ordovician