Species
Istrograptus chelmiensis (Teller, 1964)
Synonymy list
1964 Pristiograptus chelmiensis sp. n. — Teller , pp. 45, fig. 3:5-6; 4:1,6-8; 7:1-7; 13:6
1978 Pristiograptus chelmiensis — Teller et al. , pp. 21, fig. 3:10
1997 Istrograptus transgrediensis chelmiensis — Teller , pp. 75, fig. 1:8-9
2011 Istrograptus chelmiensis — Loydell , pp. 7
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Graptoloidea |
| Suborder | Axonophora |
| Family | Monograptidae |
| Genus | Istrograptus |
| Species | chelmiensis |
| samsonowiczi | |
| transgrediensis |